Question 1

The function of the human stomach is

Accepted Answer

A) to produce highly basic fluids to kill most bacteria. 
B) to begin the absorption of most small food molecules,especially sugars and alcohol. 
C) storage of food and mixing with digestive fluids to continue chemical digestion. 
D) promotion of bacterial fermentation. 
E) absorption of iron to build hemoglobin for red blood cells. 
A) to produce highly basic fluids to kill most bacteria. 
B) to begin the absorption of most small food molecules,especially sugars and alcohol. 
C) storage of food and mixing with digestive fluids to continue chemical digestion. 
D) promotion of bacterial fermentation. 
E) absorption of iron to build hemoglobin for red blood cells.

Question 2

Which of the following is NOT an accessory organ of digestion?

Accepted Answer

A) pancreas 
B) salivary glands 
C) appendix 
D) gall bladder 
A) pancreas 
B) salivary glands 
C) appendix 
D) gall bladder

Question 3

In humans,digestion of starches begins in the

Accepted Answer

A) mouth. 
B) esophagus. 
C) stomach. 
D) duodenum. 
E) large intestine. 
A) mouth. 
B) esophagus. 
C) stomach. 
D) duodenum. 
E) large intestine.

Question 4

A diet high in omega-3 fatty acids obtained from various types of fish is recommended to reduce the risk of cardiovascular disease.

Accepted Answer

A) True 
 B)False

Question 5

Cholesterol is a necessary component of the plasma membrane of all animal cells.

Accepted Answer

A) True 
 B)False

Question 6

The tubular structure that moves food by peristalsis from the mouth to the stomach is the

Accepted Answer

A) epiglottis. 
B) trachea. 
C) tongue. 
D) esophagus. 
E) glottis. 
A) epiglottis. 
B) trachea. 
C) tongue. 
D) esophagus. 
E) glottis.

Question 7

The dentition of omnivores is specialized for ________ in their diets.

Accepted Answer

A) meat only 
B) plants only 
C) bacteria only 
D) both plants and meat 
A) meat only 
B) plants only 
C) bacteria only 
D) both plants and meat

Question 8

Which of the following is the best example of a healthy and balanced meal?

Accepted Answer

A) A turkey sandwich on whole-grain bread,apple,and 6 oz.of skim milk 
B) Bacon,2 eggs over easy,and white toast 
C) 16 oz.sirloin steak,mashed potatoes and gravy,and corn on the cob with butter 
D) A bowl of chili,topped with cheese and crackers 
E) All of these meals are equally balanced and healthy. 
A) A turkey sandwich on whole-grain bread,apple,and 6 oz.of skim milk 
B) Bacon,2 eggs over easy,and white toast 
C) 16 oz.sirloin steak,mashed potatoes and gravy,and corn on the cob with butter 
D) A bowl of chili,topped with cheese and crackers 
E) All of these meals are equally balanced and healthy.

Question 9

The liver functions in digestion by

Accepted Answer

A) converting hemoglobin to bilirubin and biliverdin. 
B) destroying old red blood cells. 
C) producing blood proteins. 
D) producing urea. 
E) producing bile. 
A) converting hemoglobin to bilirubin and biliverdin. 
B) destroying old red blood cells. 
C) producing blood proteins. 
D) producing urea. 
E) producing bile.

Question 10

If an individual was interested in eating a healthy breakfast that would provide them with energy for the entire day the breakfast should include which of the following foods?

Accepted Answer

A) Whole grain cereal with 4 ounces of milk. 
B) Two pieces of whole grain toast made with refined wheat flour. 
C) Two slices of bacon and one scrambled egg. 
D) Scrambled eggs and refried beans. 
E) All of the choices would provide energy for the entire day. 
A) Whole grain cereal with 4 ounces of milk. 
B) Two pieces of whole grain toast made with refined wheat flour. 
C) Two slices of bacon and one scrambled egg. 
D) Scrambled eggs and refried beans. 
E) All of the choices would provide energy for the entire day.

Question 11

Briefly describe the differences in the digestive tracts of animals with an incomplete and a complete gut.

Accepted Answer

An incomplete digestive tract has a sing

Question 12

Identify the correct sequence of events for the digestion of starch? 
a.Salivary amylase is produced by the salivary glands
B.Starch digestion begins in the mouth
C.Starch digestion begins in the stomach
D.Starch is converted into maltose
E.Starch is converted into glycogen
F.Maltose is digested into glucose in the small intestine
G.Glucose is absorbed in the small intestine
H.Glucose is absorbed in the large intestine

Accepted Answer

A) a - b - d - f - g 
B) a - c - d - f - h 
C) a - b - e - f - g 
D) b - c - a - g - h 
E) a - c - d - f - g 
A) a - b - d - f - g 
B) a - c - d - f - h 
C) a - b - e - f - g 
D) b - c - a - g - h 
E) a - c - d - f - g

Question 13

Identify the labeled structures of the digestive tract on the human body in the picture.   A: ________
B: ________
C: ________
D: ________
E: ________
F: ________
G: ________
H: ________
I: ________
J: ________
K: ________

Accepted Answer

A: salivary glands B: mouth C:

Question 14

All of the following statements are true about the clam's digestion EXCEPT

Accepted Answer

A) the clam is a filter feeder. 
B) the clam has a single opening for the entry of food and the exit of digestive wastes. 
C) the clam is a continuous feeder. 
D) small food particles are collected on the gills and moved by cilia to the mouth. 
A) the clam is a filter feeder. 
B) the clam has a single opening for the entry of food and the exit of digestive wastes. 
C) the clam is a continuous feeder. 
D) small food particles are collected on the gills and moved by cilia to the mouth.

Question 15

An example of an animal with an incomplete gut is a(n)

Accepted Answer

A) squid. 
B) earthworm. 
C) planarian. 
D) human. 
E) grasshopper. 
A) squid. 
B) earthworm. 
C) planarian. 
D) human. 
E) grasshopper.

Question 16

Which foods contain the eight essential amino acids?

Accepted Answer

A) chicken,beef and cheese 
B) potatoes,beans and fish 
C) fish,cheese and fruits 
D) butter,beef and chicken 
E) pork,fish and corn 
A) chicken,beef and cheese 
B) potatoes,beans and fish 
C) fish,cheese and fruits 
D) butter,beef and chicken 
E) pork,fish and corn

Question 17

Because of the tooth structure and diet,which of the following would be classified as a carnivore?

Accepted Answer

A) human 
B) rat 
C) dolphin 
D) raccoon 
E) brown bear 
A) human 
B) rat 
C) dolphin 
D) raccoon 
E) brown bear

Question 18

Food mixes with gastric juices in the stomach to form a thick creamy mass called chyme.

Accepted Answer

A) True 
 B)False

Question 19

The hepatic portal vein brings blood to the liver from the ________ and as the blood passes through the liver it is ________.

Accepted Answer

A) the lungs; deoxygenated 
B) the mouth; acidified 
C) the pancreas; oxygenated 
D) the small intestine; detoxified 
A) the lungs; deoxygenated 
B) the mouth; acidified 
C) the pancreas; oxygenated 
D) the small intestine; detoxified

Question 20

Which list of features is associated with the small intestine?

Accepted Answer

A) duodenum,bile and villi 
B) duodenum,chyme and villi 
C) cecum,bile and lacteals 
D) lacteals,appendix and villi 
A) duodenum,bile and villi 
B) duodenum,chyme and villi 
C) cecum,bile and lacteals 
D) lacteals,appendix and villi

Exam 34: Digestive Systems and Nutrition

The function of the human stomach is

Which of the following is NOT an accessory organ of digestion?

In humans,digestion of starches begins in the

A diet high in omega-3 fatty acids obtained from various types of fish is recommended to reduce the risk of cardiovascular disease.

Cholesterol is a necessary component of the plasma membrane of all animal cells.

The tubular structure that moves food by peristalsis from the mouth to the stomach is the

The dentition of omnivores is specialized for ________ in their diets.

Which of the following is the best example of a healthy and balanced meal?

The liver functions in digestion by

If an individual was interested in eating a healthy breakfast that would provide them with energy for the entire day the breakfast should include which of the following foods?

Briefly describe the differences in the digestive tracts of animals with an incomplete and a complete gut.

Identify the labeled structures of the digestive tract on the human body in the picture. A: ________ B: ________ C: ________ D: ________ E: ________ F: ________ G: ________ H: ________ I: ________ J: ________ K: ________

All of the following statements are true about the clam's digestion EXCEPT

An example of an animal with an incomplete gut is a(n)

Which foods contain the eight essential amino acids?

Because of the tooth structure and diet,which of the following would be classified as a carnivore?

Food mixes with gastric juices in the stomach to form a thick creamy mass called chyme.

The hepatic portal vein brings blood to the liver from the ________ and as the blood passes through the liver it is ________.

Which list of features is associated with the small intestine?

A View of Life

Basic Chemistry

The Chemistry of Organic Molecules

Cell Structure and Function

Membrane Structure and Function

Metabolism: Energy and Enzymes

Photosynthesis

Cellular Respiration

The Cell Cycle and Cellular Reproduction

Meiosis and Sexual Reproduction

Mendelian Patterns of Inheritance

Molecular Biology of the Gene

Regulation of Gene Expression

Biotechnology and Genomics

Darwin and Evolution

How Populations Evolve

Speciation and Macroevolution

Origin and History of Life

Taxonomy,systematics,and Phylogeny

Viruses,bacteria,and Archaea

Protist Evolution and Diversity

Fungi Evolution and Diversity

Plant Evolution and Diversity

Flowering Plants: Structure and Organization

Flowering Plants: Nutrition and Transport

Flowering Plants: Control of Growth Responses

Flowering Plants: Reproduction

Invertebrate Evolution

Vertebrate Evolution

Human Evolution

Animal Organization and Homeostasis

Circulation and Cardiovascular Systems

The Lymphatic and Immune Systems

Respiratory Systems

Body Fluid Regulation and Excretory Systems

Neurons and Nervous Systems

Sense Organs

Locomotion and Support Systems

Hormones and Endocrine Systems

Reproductive Systems

Animal Development and Aging

Behavioral Ecology

Population Ecology

Community and Ecosystem Ecology

Major Ecosystems of the Biosphere

Conservation of Biodiversity

Filters

Identify the labeled structures of the digestive tract on the human body in the picture. A: B: C: D: E: F: G: H: I: J: K:

The hepatic portal vein brings blood to the liver from the and as the blood passes through the liver it is .