Exam 2: Evaluating Nutrition Information

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.

Which of the following practices is an example of complementary and alternative medicine (CAM)?

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.

Which of the following statements is true?

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?

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

A group of registered dietitians 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 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)

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 three months.After this period,the physician will prescribe antidepressant medication,if the patient does not feel emotionally better.This advice is

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?

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

Which of the following statements is true?

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 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?

Which of the following statements is true?

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?

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

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.

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.

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 weight gain.This study is an example of a(n)____ study.