Deck 2: Evaluating Nutrition Information

Question 1

Which of the following statements is true?

A)The EPA regulates the labeling of dietary supplements.
B)Manufacturers of dietary supplements must inform the FTC about negative health reports that may have resulted from the use of their products.
C)The FDA can recall a dietary supplements when there is evidence that it is harmful.
D)Medicinal herbs must undergo testing for safety and effectiveness by the FDA before they can be marketed.

Answer 1

C

Question 2

Which of the following statements is true?
A)Consumers can report negative health reports that may have resulted from their use of dietary supplements to the FD

A)
B)Dietary supplements can include substances that are spread on the skin or injected into the body.
C)Dietary supplements can be recalled if the products contain kava,lysine,or glucosamine.
D)Medicinal herbs must undergo testing for safety and effectiveness by the FDA before they can be marketed in the United States.

Answer 2

A

Question 3

After examining a patient and reviewing the results of his blood tests,a physician tells the patient that his mild depressive symptoms are not the result of a serious health problem.The physician suggests that the patient should try regular exercise and take the dietary supplement St.John's wort for 3 months.After this period,the physician will prescribe antidepressant medication,if the patient does not feel emotionally better.This advice is ________.

A)unreliable because the physician is not considering alternative methods of treating the patient's mental illness
B)an indication that the physician practices integrative medicine
C)typical for a conventional medical practitioner
D)quackery and medically irresponsible

Answer 3

B

Question 4

A medical researcher reads an article in "Today's Health-Conscious Woman" magazine about the benefits of using the phytochemical capsaicin to treat knee pain.She asks 10 people with arthritic knees to rub a cream that contains the phytochemical on their knee joints for two weeks.At the end of the two weeks,the researcher asks the subjects whether their knee pain improved,stayed about the same,or worsened during the treatment period.After collecting responses from the people,the researcher reports the results of her study during a popular TV show that is hosted by a doctor.Based on this information,which of the following statements is true?

A)The researcher reviewed scientific literature regarding the use of capsaicin to treat knee pain.
B)The researcher used a standard scientific design for research involving human subjects.
C)The researcher did not divide the subjects of her study into control and treatment groups.
D)The researcher subjected the results of her study to peer-review.

Question 5

Which of the following practices is an example of integrative health care?

A)A surgeon who removes a cancerous tumor from a patient's stomach.
B)A physician who applies evening primrose oil to the skin of a person to treat a rash.
C)A physician who has a patient take prescription medications to reduce chronic heartburn.
D)A physician who treats a patient's back pain with cortisone injections and massage therapy.

Question 6

A group of scientists suspects that certain dietary practices are partially responsible for different rates of hypertension among adults of different ethnic/racial groups.To test their hypothesis,the researchers examine data concerning the different population groups' hypertension rates and their past dietary practices.This research is a(n)_____ study.

A)hypothetical
B)retrospective
C)case-control
D)prospective

Question 7

Which of the following statements is true?

A)Physicians and registered dietitian nutritionists do not recommend dietary supplements for their patients.
B)Dietary supplements may interact negatively with other substances a person takes.
C)According to the legal definition developed by the FDA,a "dietary supplement" is a food that influences metabolism.
D)People who develop side effects after taking dietary supplements can report their experiences to the GAO.

Question 8

A scientist discovers a chemical in certain rocks that kills bacteria when it is mixed with sterile water in a test tube.She cannot market extracts that contain this chemical as a dietary supplement,because it ________.

A)has to receive a U.S.patent before the FDA will approve its use
B)must first undergo scientific testing to determine its effectiveness
C)does not contain dietary ingredients
D)contains more than one kind of natural material

Question 9

Which of the following statements is true?

A)Disclaimers are clues that a product may not meet your expectations or the manufacturer's claims.
B)Anyone who earns a nutrition degree from a 4-year college can refer to himself or herself as an RDN.
C)Scientific evidence supports the effectiveness of most forms of alternative health care.
D)A person with a PhD who promotes drinking vinegar as the cure for lung cancer is practicing conventional medicine.

Question 10

Which of the following statements is true?

A)A scientist's professional affiliations and sources of financial support may influence his or her research findings.
B)The results of one study are usually enough to convince the majority of nutrition scientists to adopt new ideas about nutrition-related topics.
C)Dietary recommendations are generally based on the findings of one well-respected team of nutrition researchers.
D)Since 1995,nutrition information has undergone few updates,because scientists have discovered all of the nutrients and determined their functions.

Question 11

Which of the following statements is true?

A)It is not unusual for similar studies,especially those involving human subjects,to have different findings.
B)Dietary recommendations are generally based on the findings of one team of nutrition researchers.
C)The results of one study are usually enough to convince nutrition scientists to adopt new ideas about nutrition-related topics.
D)Since 1970,nutrition information has undergone few updates,because scientists have discovered all of the nutrients and determined their functions.

Question 12

_____ can be classified as a dietary supplement.

A)Chewing tobacco
B)Cherry jelly
C)Ginkgo biloba
D)Orange drink

Question 13

Which of the following statements is true?

A)According to the legal definition developed by the FDA,a "dietary supplement" is a natural substance that benefits health.
B)Before taking a dietary supplement,people should determine whether the product is necessary and safe.
C)Physicians and registered dietitian nutritionists do not recommend dietary supplements for their patients.
D)People who develop side effects after taking dietary supplements can report their experiences to the GAO.

Question 14

Which of the following statements is true?

A)Scientific evidence supports the effectiveness of most forms of alternative health care.
B)Disclaimers are clues that a product will meet your expectations or the manufacturer's claims.
C)A person with a PhD who promotes drinking vinegar as the cure for lung cancer is practicing conventional medicine.
D)The RDN credential is legally protected.

Question 15

After examining a patient,a health care practitioner tells the patient that her mild back pain is caused by poor flow of energy from her mind to her back.The practitioner treats the patient with acupuncture,ginseng,and massage therapy.Based on this information,the practitioner's treatments indicate that he relies on ________.

A)integrative medicine
B)alternative health care
C)placebo-based health care
D)conventional medicine

Question 16

_____ can be classified as a dietary supplement.

A)Wheat germ
B)Chewing tobacco
C)Red wine
D)Bitter orange

Question 17

Which of the following statements is true?

A)When interpreting results of their studies,researchers generally seek to include some bias into their analyses.
B)Dietary recommendations are generally based on the findings of one team of nutrition researchers.
C)Scientific studies to investigate the same question can have different findings.
D)Since 1970,nutrition information has undergone few updates,because scientists have discovered all of the nutrients and determined their functions.

Question 18

Which of the following statements is true?

A)Scientific evidence supports the effectiveness of most forms of alternative health care.
B)The RDN credential can be used by anyone who earns a college nutrition degree.
C)A person with a PhD who promotes drinking vinegar as the cure for lung cancer is practicing quackery.
D)Disclaimers are clues that a product will meet your expectations or the manufacturer's claims.

Question 19

Which of the following practices is an example of integrative health care?

A)Taking an aspirin and resting quietly to relieve a headache
B)Having surgery and physical therapy to treat a torn tendon
C)Applying a prescription antibiotic to a wound and wrapping the affected area with sterile gauze to prevent infection
D)Having psychological counseling and taking St.John's wort to improve mood

Question 20

A group of registered dietitian nutritionists is planning to conduct a scientific study to investigate the effects of eating honey on school-age children's behavior.At first,the researchers will ________.

A)gather data
B)identify relationships between variables
C)analyze the hypothesis
D)make observations

Question 21

Over a 2-year period,a team of scientists records the eating behaviors and physical activity patterns of a group of healthy 8-year-old children to determine whether these factors are associated with excessive weight gain.This study is an example of a(n)____ study.

A)prospective
B)retrospective
C)case-control
D)in-vitro

Question 22

Zack takes 500 mg of vitamin C daily.He advises his friends to take vitamin C supplements because,he claims,the vitamin protects him from cold viruses.His claim about the usefulness of the vitamin is an ________.

A)in-vivo report
B)in-vitro assumption
C)anecdote
D)introspection

Question 23

Which of the following kinds of studies would be the best to use when investigating whether cigarette smoking influences weight gain?

A)Single-blind
B)Double-blind
C)Conventional
D)Cohort

Question 24

Which of the following kinds of studies would be the best to use when designing a scientific investigation to determine whether there is an association between consuming diets high in sodium during adolescence and developing high blood pressure in adulthood?

A)Experimental study
B)Observational epidemiological study
C)Single-blind study
D)Double-blind study

Question 25

A group of nutrition researchers interviews 100 adults who have chronic high blood pressure to determine whether there is an association between consuming diets low in calcium during adolescence and developing high blood pressure in adulthood.This study is an example of a ____ study.

A)retrospective
B)prospective
C)case-control
D)macrosomatic

Question 26

A group of scientists would like to determine lifestyle factors that are associated with the development of asthma among American children.Based on this information,the researchers should design a (an)_____ study.

A)in-vivo
B)epidemiological
C)conventional
D)double-blind

Question 27

A scientist adds 5 mcg of the mineral cadmium to the daily diet of 100 4-week-old laboratory mice.After twelve weeks,the researcher weighs and takes blood samples from each mouse.According to her findings,the mice lost weight during the 12-week period and they have abnormal levels of certain hormones in their blood.Based on this information and your knowledge of scientific research,what would you tell the researcher about her findings?

A)Her results are very interesting and she should report her findings to nutrition scientists,so they can repeat her study and confirm the results.
B)The findings need to be summarized in a research article for submission to a peer-reviewed nutrition journal.
C)She needs to conduct more tests on the animals' blood,because her findings are incomplete.
D)The findings are not meaningful or valid because of the way she designed her study.

Question 28

Dylan takes garlic pills to lower his blood cholesterol level,and he recommends the pills to his friends,because he thinks the supplement is helpful.Dylan's nutrition-related advice to his friends is an example of a(an)________.

A)subjective bias
B)introspection
C)peer review
D)anecdote

Question 29

A nutrition researcher would like to determine whether healthy women who take fish oil supplements during pregnancy give birth to children who score higher on basic intelligence tests when they are 5 years of age.The scientist plans to compare the IQ test results of this group of children with the test results of a group of 5-year-old children with similar backgrounds whose mothers were healthy but did not take fish oil supplements when pregnant.This kind of research is a _____ study.

A)double-blind
B)in-vitro
C)intervention
D)retrospective

Question 30

Researchers at a major American university plan a 10-year study involving 25,000 adults who will follow their usual lifestyles while they participate in the study.One of the main goals of this particular scientific investigation is to determine lifestyle factors that contribute to stomach cancer.Which of the following activities is likely to be a component of their research efforts?

A)Posting significant findings at the main researcher's Internet website
B)Establishing a place for the subjects to live for the duration of the study
C)Contacting the local news station to report their findings
D)Submitting an article describing the results of the study to a peer-reviewed journal

Question 31

Scientists who investigate lifestyle factors that influence the prevalence of obesity among different human population groups are conducting a(n)____ study.

A)technological
B)epidemiological
C)in-vitro
D)pathological

Question 32

Which of the following kinds of studies would be the best to use to identify lifestyle factors that may be related to the development of liver cancer in an adult population?

A)Single-blind study
B)Double-blind study
C)Retrospective study
D)Experimental study

Question 33

A group of scientists conducts a scientific study to investigate dietary factors that influence the development of obesity.Which of the following activities is not likely to be a component of their research efforts?

A)Making observations and formulating a hypothesis
B)Collecting data and analyzing results
C)Posting findings at the main researcher's Internet web site
D)Submitting an article describing the study to a peer-reviewed journal

Question 34

Derek takes protein supplements before and after his workouts.He told his workout partner that he became 200% stronger within a couple of months after he added the supplements to his diet.His report about the effects of the supplements is an example of a(an)________.

A)factoid
B)anecdote
C)case report
D)variable

Question 35

Scientists enroll 500 healthy adults in a study and collect dietary and other lifestyle information about the group.After 6 years,the scientists determine that study participants who ate at least 5 servings of fruits and vegetables daily were less likely to develop high blood pressure than participants who ate fewer than 5 servings of these foods daily.This study is an example of a(n)____ study.

A)prospective
B)introspective
C)retrospective
D)nutritive

Question 36

A nutrition researcher adds 30 mg of the mineral iron to the daily diet of 50 4-week-old laboratory mice.After ten weeks,the scientist takes blood samples from each mouse.According to his findings,the mice developed abnormal levels of certain enzymes in their red blood cells.Based on this information and your knowledge of scientific research,what would you tell him?

A)He should report his findings to other nutrition scientists,so they can repeat his study and confirm the results.
B)He should consider his findings as an observation and redesign the study to include a control group.
C)He should prepare a research article that describes his study and its results for submission to a peer-reviewed
Nutrition journal.
D)He should call a press conference and report his findings to the public,so they can avoid consuming excess iron.

Question 37

Generally,epidemiological studies ________.

A)involve in-vitro experimentation
B)establish causation without observations
C)cannot determine cause-and-effect relationships
D)prove positive correlations

Question 38

Emily has brittle fingernails that crack and split easily.Emily's mother advises her daughter to take gelatin pills 3 times/day,because she has heard the practice strengthens fingernails.The mother's nutrition-related advice about the benefit of taking gelatin pills is an example of a(n)________.

A)placebo
B)anecdote
C)testimonial
D)hypothesis

Question 39

Scientists would like to conduct a study to identify lifestyle factors that are associated with delayed physical growth among a group of low-income American children.Which of the following research designs would be the best for the researchers to use when designing their study?

A)Interventional
B)Epidemiological
C)Double-blind
D)Human in-vivo experimental

Question 40

Scientists in a Central American country are studying factors that may be associated with delayed physical growth among a group of low-income children.The children live in a region of the nation that has high levels of lead in drinking water.This study is an example of a(an)____ study.

A)conventional
B)uncontrollable
C)introspective
D)epidemiological

Question 41

The host of a radio program makes a "red flag" claim about a nutrition-related product,because the claim is generally an indication that the information about the product is unreliable.The radio program host said,________.

A)"This product contains sugar and certain artificial color and flavor additives"
B)"According to the FDA,this product is classified a dietary supplement,because it contains vitamins"
C)"All ingredients in this product have been scientifically tested and clinically proven"
D)"The ingredients in this product are listed on the label"

Question 42

Which of the following observations is an example of an inverse correlation?

A)Women who smoke 5 or more cigarettes each day during pregnancy are more likely to give birth to underweight babies than women who smoke fewer than 5 cigarettes a day during pregnancy.
B)When population increases its daily consumption of whole grain products,the population's frequency of daily bowel movements increases.
C)Children who consume 3 cups of vitamin D milk daily develop stronger bones than children who drink fewer than 3 cups of vitamin D milk each day.
D)As a population's intake of foods that contain beta-carotene increases,the population's tissue levels of vitamin A increase.

Question 43

Researchers are conducting a study to determine the effects of zinc supplements on the human immune system.The study involves providing pills that contain zinc to one group of human subjects and pills that do not contain zinc or other active ingredients to another group of people.The pills that do not contain zinc are

A)antidotes.
B)supplements.
C)probiotics.
D)placebos.

Question 44

Having a control group enables researchers to ________.

A)avoid using harmful interventions when testing control subjects' responses
B)explore possible hypotheses for future research efforts
C)compare findings of the control group with those of the experimental group
D)provide specific treatments to participants of the group

Question 45

A physician who hosts a popular TV show makes several nutrition-related claims during one of the programs.Which of the doctor's claims is a "red flag" of unreliable information?
A)Not all doctors are nutrition experts.
B)Niacin cures pellagr

A)
C)The "placebo effect" often occurs in controlled studies involving human subjects.
D)Kava cures migraine headaches.

Question 46

A researcher wants to identify lifestyle factors that increase the risk of stomach cancer in men.His study design involves enrolling 250 men who have stomach cancer and 250 men who are cancer-free but have similar characteristics and backgrounds as the men who have stomach cancer.The researcher collects and analyzes information about each participant's lifestyle.Based on this information,what kind of study is the researcher conducting?

A)In-vivo
B)Experimental
C)Case-control
D)Cohort

Question 47

Which of the following periodicals features peer-reviewed articles?

A)Ladies Home Journal
B)National Geographic Magazine
C)Journal of the American Medical Association
D)Men's Journal

Question 48

Researchers are conducting a study to determine the effects of vitamin C on the human immune system.The study involves providing pills that contain vitamin C to one group of human subjects and pills that do not contain vitamin C or other active ingredients to another group of people.The pills that do not contain the vitamin are

A)supplements.
B)placebos.
C)probiotics.
D)antidotes.

Question 49

Which of the following observations is an example of an inverse correlation?

A)When pregnant women gain more weight than average,they are more likely to give birth to babies who are heavier than average.
B)As children increase their physical activity level,they develop greater muscle mass than children who are less active.
C)When members of a population increase their consumption of milk and milk products,their risk of bone fractures decreases.
D)When children eat three or more servings fruits and vegetables a day,their blood levels of vitamin C increase.

Question 50

Which of the following observations is an example of a positive correlation?

A)When a population's vitamin D intake decreases,the percentage of people in the population that have healthy immune systems decreases.
B)When a population's intake of plant foods decreases,the percentage of obese people in that population increases.
C)When a population's level of physical activity increases,the percentage of people who develop heart disease decreases.
D)When a population's intake of vitamin A decreases,the percentage of people in the population who develop blindness increases.

Question 51

Scientists study 200 adults who have type 2 diabetes and 200 adults who have similar characteristics but do not have the disease.For 18 months,the researchers collect lifestyle information on all the study participants.According to the study's findings,the adults with type 2 diabetes were 25% less physically active than their counterparts who did not have type 2 diabetes.This is an example of a(n)_____ study.

A)anecdotal
B)inverse relationship
C)case-control
D)prospective

Question 52

A group of researchers wants to determine whether certain dietary factors are associated with the risk of attention deficit hyperactivity disorder (ADHD).The scientists follow a group of 500 healthy newborn babies for 10 years and collect health information as well as dietary practices for each child.At the end of the study period,the scientists analyze the data for correlations between the children's dietary practices and their likelihood of being diagnosed with ADHD.This is an example of a _____ study.

A)prospective
B)retrospective
C)hypothetical
D)factorial

Question 53

Which of the following observations is an example of a positive correlation?

A)When older adults increase their daily intake of vitamin D,the percentage of the adults that develops infections decreases.
B)When teenagers decrease their usual intake of sugar-sweetened beverages,their body fat level declines.
C)When a population consumes fewer fruits and vegetables,the percentage of people in that population with scurvy increases.
D)When teenage girls decrease their intake of iron-rich foods,the percentage of the girls who have iron-deficiency increases.

Question 54

Which of the following observations is an example of a negative (an inverse)correlation?

A)When a group of adults increases their intake of fruits and vegetables,the percentage of people in the group who have high blood levels of vitamin C levels increases.
B)When a group of older adults increases their intake of high-fiber foods,the percentage of people in the group who develop intestinal cancer decreases.
C)When a group of children eat more sugary foods,the percentage of children in the group who develop two or more decayed teeth increases.
D)When a group of people decreases their physical activity levels,the percentage of people in the group with healthy levels of body fat decreases.

Question 55

Phil is a participant in a study designed to examine the effects of taking a dietary supplement on muscle tissue development.Phil suspects he is in the experimental group,because he is certain his muscles are bigger and stronger as a result of taking the product supplied by the researchers.When the study is completed,Phil learns that he did not receive the dietary supplement.Phil thinks the researchers made a mistake-he is certain his muscle mass increased while he took the supplement.According to this information,Phil's belief that his physical condition improved while he participated in the study is an example of ________.

A)an anecdotal report
B)participant fatigue
C)human subject bias
D)the placebo effect

Question 56

Scientists conduct a study in which 100 adults with chronic diarrhea are divided into 2 groups of 50 people.One group is given a supply of yogurt that contains a certain kind of bacteria and the other group is given yogurt that is bacteria free.The study's participants and researchers do not know which group of subjects has the bacteria in the yogurt and which group does not.The scientists instruct the participants to eat the entire 8 ounces of yogurt once a day for a month and record the their bowel habits.This is an example of a(n)____ study.

A)hypothetical
B)uncontrolled
C)introspective
D)double-blind

Question 57

Which of the following observations is an example of a positive correlation?

A)When a group of 6-year-old children increase their physical activity level to 60 minutes a day,the children's muscle mass increases.
B)When teenage girls increase their intake of iron-rich foods,the percentage of the girls who have iron-deficiency decreases.
C)When older adults increase their daily intake of vitamin D,the percentage of the adults that develops infections decreases.
D)When a population consumes more fruits and vegetables,the percentage of people in that population with scurvy decreases.

Question 58

Which of the following observations is an example of a positive correlation?

A)When women gain less weight than average during pregnancy,the birthweights of their babies tend to be lower than average.
B)When a population's intake of green tea increases,the percentage of lung cancer cases in that population decreases.
C)When members of a population consume fewer fruits and vegetables,their risk of high blood pressure increases.
D)When a group of children increases their physical activity levels,the percentage of the children who contract cold infections decreases.

Question 59

The government agency that enforces consumer protection laws by investigating false or misleading health-related claims is the ________.

A)Agricultural Research Service (ARS)
B)Centers for Disease Control and Prevention (CDC)
C)Environmental Protection Agency (EPA)
D)Federal Trade Commission (FTC)

Question 60

Researchers are conducting a study to determine the effects of vitamin D supplements on the adult human immune system.The study involves providing pills that contain vitamin D to one group of human adults and pills that do not contain the vitamin or other active ingredients to another group of adults.The pills that do not contain vitamin D are

A)placebos.
B)interventions.
C)antidotes.
D)distractors.

Question 61

Which of the following websites is most likely a source of biased and unreliable nutrition information?

A)choosemyplate.gov
B)eatright.org
C)purdue.edu
D)dietsnomore4u.com

Question 62

The professional football star Andro "The Man" McGraw claims the dietary supplement AminoProFixate helped him build muscle mass quickly and safely.His endorsement of the product is an example of ________.

A)unbiased reporting
B)a testimonial
C)peer review
D)a scientifically valid claim

Question 63

A magazine advertisement for a weight loss product includes before and after photos of a woman who supposedly lost 50 pounds in 3 weeks while taking the product.The bottom of the ad includes the statement,"Results are not typical." This statement is an example of a(n)________.

A)testimonial
B)disclaimer
C)anecdote
D)placebo

Question 64

A popular women's magazine has an article about the health benefits of consuming calcium-rich foods.If the article's author has the credentials _____ after his or her name,the article is likely to be a reliable source of nutrition information.

A)DRN
B)MD
C)PhD
D)RDN

Question 65

During a television interview,Dr.Ima Quack provides the following statement."Most Americans suffer from nutritional deficiency diseases and will develop cancer within the next 10 years because they are not taking my megavitamin formula therapy." Dr.Quack's statement is an example of a(n)________.

A)medical hypothesis
B)personal observation
C)intuitive deduction
D)scare tactic

Question 66

Which of the following statements is true?

A)Pseudoscience is the practice of medicine without proper training and credentials.
B)In the United States,a person can obtain a Ph.D.in nutrition only by graduating from an accredited institution of higher learning.
C)People who describe themselves as nutritionists are registered dietitians or registered dietitian nutritionists.
D)In general,registered dietitians are reliable sources of nutrition information.

Question 67

Which of the following statements is false?

A)The Internet is generally a reliable source of nutrition information,because information posted at websites has been peer-reviewed.
B)In general,personal websites,such as blogs,are not reliable sources of nutrition information.
C)Websites with .edu in their addresses are likely to provide reliable nutrition information.
D)When evaluating claims for dietary supplements that appear at a website,be wary of products that include promises for quick remedies.

Question 68

Which of the following statements is true?

A)In the United States,only registered dietitians and registered dietitian nutritionists can provide nutrition information legally.
B)Registered dietitian nutritionists are not required to update their knowledge of nutrition and dietetics regularly.
C)The First Amendment of the U.S.Constitution often protects people who spread nutrition misinformation.
D)Pseudoscience is the scientific study of the causation and treatment of chronic diseases.

Question 69

A magazine article about weight loss diets includes false information about the process of digestion that uses scientific-sounding terms to make it seem factual.The faulty information is an example of ________.

A)hypothesizing
B)bias
C)mislabeling
D)pseudoscience

Question 70

A popular fitness magazine has an article about the health benefits of high-fiber diets.If the article's author has the credentials _____ after his or her name,the article is likely to be a reliable source of nutrition information.

A)RDN
B)MD
C)MS
D)DNutr

Question 71

A team of scientists extracts a chemical that they call "Zombia" from the leaves of a common houseplant.One of the scientists would like to market Zombia as a dietary supplement because it makes people sleepy,when it is injected into them.Based on this information,Zombia ________.

A)cannot be marketed as a dietary supplement because its source is widespread in nature
B)can be marketed as a dietary supplement,but only if it is promoted as a conventional food item
C)cannot be marketed as a dietary supplement
D)can be marketed as a dietary supplement because it is from a plant

Question 72

A person claims his newly invented device treats cancer without surgery,medication,or other forms of conventional medical therapy.However,people who have used the device report that it was not helpful,and it may have harmed them.According to this information,the inventor's claims and his device are ________.

A)unbiased
B)quackery
C)intuitive
D)legal

Question 73

Actress Lotta Talent appears in commercials endorsing a dietary supplement containing a substance from dandelions for weight loss.Her endorsement is an example of a(n)________.

A)testimonial
B)anecdote
C)factoid
D)purport