Question 1

Coprophagy, the nutrition-boosting ingestion of fecal material, is important for the nutritional balance of

Accepted Answer

A) ruminants such as cows. 
B) insects and arthropods. 
C) rabbits and their relatives. 
D) squirrels and some rodents. 
E) very large animals, such as elephants. 
A) ruminants such as cows. 
B) insects and arthropods. 
C) rabbits and their relatives. 
D) squirrels and some rodents. 
E) very large animals, such as elephants. C

Question 2

A group of animals among which a relatively long cecum is likely to be found is the

Accepted Answer

A) carnivores. 
B) herbivores. 
C) autotrophs. 
D) heterotrophs. 
E) omnivores. 
A) carnivores. 
B) herbivores. 
C) autotrophs. 
D) heterotrophs. 
E) omnivores. B

Question 3

Obesity in humans is most clearly linked to

Accepted Answer

A) type 1 diabetes and prostate cancer. 
B) type 1 diabetes and breast cancer. 
C) type 2 diabetes and muscle hypertrophy. 
D) type 2 diabetes and cardiovascular disease. 
E) type 2 diabetes and decreased appetite. 
A) type 1 diabetes and prostate cancer. 
B) type 1 diabetes and breast cancer. 
C) type 2 diabetes and muscle hypertrophy. 
D) type 2 diabetes and cardiovascular disease. 
E) type 2 diabetes and decreased appetite. D

Question 4

A nutritional monomer that can be transported in the blood after a typical meal is

Accepted Answer

A) sucrose. 
B) maltose. 
C) fatty acid. 
D) dipeptide. 
E) trinucleotide. 
A) sucrose. 
B) maltose. 
C) fatty acid. 
D) dipeptide. 
E) trinucleotide.

Question 5

Cellulose-digesting symbiotic microbes exist in all of the following locations except

Accepted Answer

A) the large intestine and cecum of rabbits. 
B) the stomach of a ruminant. 
C) the stomach of a deep-sea giant tube worm. 
D) the crop of an herbivorous bird. 
E) the enlarged cecum of the koala bear. 
A) the large intestine and cecum of rabbits. 
B) the stomach of a ruminant. 
C) the stomach of a deep-sea giant tube worm. 
D) the crop of an herbivorous bird. 
E) the enlarged cecum of the koala bear.

Question 6

A mineral that is especially important for preventing anemia is

Accepted Answer

A) zinc. 
B) iron. 
C) iodine. 
D) molybdenum. 
E) folic acid. 
A) zinc. 
B) iron. 
C) iodine. 
D) molybdenum. 
E) folic acid.

Question 7

Upon activation by stomach acidity, the secretions of the parietal cells

Accepted Answer

A) initiate the digestion of protein in the stomach. 
B) initiate the mechanical digestion of lipids in the stomach. 
C) initiate the chemical digestion of lipids in the stomach. 
D) include pepsinogen. 
E) delay digestion until the food arrives in the small intestine. 
A) initiate the digestion of protein in the stomach. 
B) initiate the mechanical digestion of lipids in the stomach. 
C) initiate the chemical digestion of lipids in the stomach. 
D) include pepsinogen. 
E) delay digestion until the food arrives in the small intestine.

Question 8

Stomach cells are moderately well adapted to the acidity and protein-digesting activities in the stomach by having

Accepted Answer

A) a sufficient colony of H. pylori. 
B) a thick, mucous secretion and active mitosis of epithelial cells. 
C) a high level of secretion by chief cells. 
D) a high level of secretion from parietal cells. 
E) secretions enter the stomach from the pancreas. 
A) a sufficient colony of H. pylori. 
B) a thick, mucous secretion and active mitosis of epithelial cells. 
C) a high level of secretion by chief cells. 
D) a high level of secretion from parietal cells. 
E) secretions enter the stomach from the pancreas.

Question 9

To maintain adequate nutrition, animals require dietary access to certain amino acids. An amino acid that is referred to as "nonessential" would be best described as one that

Accepted Answer

A) can be made by the animal's body from other substances. 
B) is not used by the animal in biosynthesis. 
C) must be ingested in the diet. 
D) is not readily absorbed by the gastrointestinal tract. 
E) is not found in many proteins. 
A) can be made by the animal's body from other substances. 
B) is not used by the animal in biosynthesis. 
C) must be ingested in the diet. 
D) is not readily absorbed by the gastrointestinal tract. 
E) is not found in many proteins.

Question 10

If you were to jog 1 km a few hours after lunch, which stored fuel would you probably tap?

Accepted Answer

A) muscle proteins 
B) muscle and liver glycogen 
C) fat stored in the liver 
D) fat stored in adipose tissue 
E) blood proteins 
A) muscle proteins 
B) muscle and liver glycogen 
C) fat stored in the liver 
D) fat stored in adipose tissue 
E) blood proteins

Question 11

Pepsin is a digestive enzyme that

Accepted Answer

A) is manufactured by the pancreas. 
B) helps stabilize fat-water emulsions. 
C) splits maltose into monosaccharides. 
D) begins the hydrolysis of proteins in the stomach. 
E) is denatured and rendered inactive in solutions with low pH. 
A) is manufactured by the pancreas. 
B) helps stabilize fat-water emulsions. 
C) splits maltose into monosaccharides. 
D) begins the hydrolysis of proteins in the stomach. 
E) is denatured and rendered inactive in solutions with low pH.

Question 12

Use the following figure to answer the questions below.
  
-Examine the digestive system structures in the figure above. Most of the digestion of fats occurs in section(s)

Accepted Answer

A) 3 only. 
B) 4 only. 
C) 1 and 4. 
D) 3 and 4. 
E) 1, 3, and 4. 
A) 3 only. 
B) 4 only. 
C) 1 and 4. 
D) 3 and 4. 
E) 1, 3, and 4.

Question 13

Use the following figure to answer the questions below.
  
-Examine the digestive system structures in the figure above. Bacteria that produce vitamins as products are residents of location

Accepted Answer

A) 3. 
B) 4. 
C) 5. 
D) 7. 
E) 8. 
A) 3. 
B) 4. 
C) 5. 
D) 7. 
E) 8.

Question 14

In the digestive system, peristalsis is

Accepted Answer

A) a process of fat emulsification in the small intestine. 
B) voluntary control of the rectal sphincters regulating defecation. 
C) the transport of nutrients to the liver through the hepatic portal vessel. 
D) a common cause of loss of appetite, fatigue, and dehydration. 
E) smooth muscle contractions that move food along the esophagus. 
A) a process of fat emulsification in the small intestine. 
B) voluntary control of the rectal sphincters regulating defecation. 
C) the transport of nutrients to the liver through the hepatic portal vessel. 
D) a common cause of loss of appetite, fatigue, and dehydration. 
E) smooth muscle contractions that move food along the esophagus.

Question 15

A general rule relating the capacity of a specific animal's digestive system to provide adequate access to substrates for biosynthesis of cellular components, as well as fuel molecules needed for ATP production, is that the animal should have access to

Accepted Answer

A) a high-protein, low-carbohydrate diet. 
B) a diet low in lipids and high in protein. 
C) a low-calorie diet with a large intake of fluids, especially water. 
D) a diet that matches the "food pyramid" for the species. 
E) a diet that maximizes vitamins and minerals. 
A) a high-protein, low-carbohydrate diet. 
B) a diet low in lipids and high in protein. 
C) a low-calorie diet with a large intake of fluids, especially water. 
D) a diet that matches the "food pyramid" for the species. 
E) a diet that maximizes vitamins and minerals.

Question 16

Because adult lampreys attach onto the surface of large fish for long periods of time to feed on body fluids, they can accomplish nutritional balance without need for a

Accepted Answer

A) liver. 
B) pancreas. 
C) intestine. 
D) stomach. 
E) gallbladder. 
A) liver. 
B) pancreas. 
C) intestine. 
D) stomach. 
E) gallbladder.

Question 17

Fat digestion yields fatty acids and glycerol, whereas protein digestion yields amino acids; both digestive processes

Accepted Answer

A) are catalyzed by the same enzyme. 
B) are excludible intracellular processes in most organisms. 
C) add a water molecule to break bonds (hydrolysis). 
D) require the presence of hydrochloric acid to lower the pH. 
E) require ATP as an energy source. 
A) are catalyzed by the same enzyme. 
B) are excludible intracellular processes in most organisms. 
C) add a water molecule to break bonds (hydrolysis). 
D) require the presence of hydrochloric acid to lower the pH. 
E) require ATP as an energy source.

Question 18

Which of the following is not a major activity of the stomach?

Accepted Answer

A) mechanical digestion 
B) HCl secretion 
C) mucus secretion 
D) nutrient absorption 
E) enzyme secretion 
A) mechanical digestion 
B) HCl secretion 
C) mucus secretion 
D) nutrient absorption 
E) enzyme secretion

Question 19

Digestive secretions with a pH of 2 are characteristic of the

Accepted Answer

A) small intestine. 
B) stomach. 
C) pancreas. 
D) liver. 
E) mouth. 
A) small intestine. 
B) stomach. 
C) pancreas. 
D) liver. 
E) mouth.

Question 20

Folic acid supplements have become especially important for pregnant women because

Accepted Answer

A) folic acid supplies vitamins that only pregnant women can use. 
B) the folic acid is stored in adipose tissue by pregnant women so supplements are needed to make more available in the circulation. 
C) the fetus makes high levels of folic acid. 
D) folic acid deprivation is associated with neural tube abnormalities in a fetus. 
E) folic acid deprivation is a cause of heart abnormalities in a newborn. 
A) folic acid supplies vitamins that only pregnant women can use. 
B) the folic acid is stored in adipose tissue by pregnant women so supplements are needed to make more available in the circulation. 
C) the fetus makes high levels of folic acid. 
D) folic acid deprivation is associated with neural tube abnormalities in a fetus. 
E) folic acid deprivation is a cause of heart abnormalities in a newborn.

Exam 41: Animal Nutrition

Coprophagy, the nutrition-boosting ingestion of fecal material, is important for the nutritional balance of

A group of animals among which a relatively long cecum is likely to be found is the

Obesity in humans is most clearly linked to

A nutritional monomer that can be transported in the blood after a typical meal is

Cellulose-digesting symbiotic microbes exist in all of the following locations except

A mineral that is especially important for preventing anemia is

Upon activation by stomach acidity, the secretions of the parietal cells

Stomach cells are moderately well adapted to the acidity and protein-digesting activities in the stomach by having

To maintain adequate nutrition, animals require dietary access to certain amino acids. An amino acid that is referred to as "nonessential" would be best described as one that

If you were to jog 1 km a few hours after lunch, which stored fuel would you probably tap?

Pepsin is a digestive enzyme that

Use the following figure to answer the questions below. -Examine the digestive system structures in the figure above. Most of the digestion of fats occurs in section(s)

Use the following figure to answer the questions below. -Examine the digestive system structures in the figure above. Bacteria that produce vitamins as products are residents of location

In the digestive system, peristalsis is

A general rule relating the capacity of a specific animal's digestive system to provide adequate access to substrates for biosynthesis of cellular components, as well as fuel molecules needed for ATP production, is that the animal should have access to

Because adult lampreys attach onto the surface of large fish for long periods of time to feed on body fluids, they can accomplish nutritional balance without need for a

Fat digestion yields fatty acids and glycerol, whereas protein digestion yields amino acids; both digestive processes

Which of the following is not a major activity of the stomach?

Digestive secretions with a pH of 2 are characteristic of the

Folic acid supplements have become especially important for pregnant women because

Introduction: Evolution and Themes of Biology

The Chemical Context of Life

Water and Life

Carbon and the Molecular Diversity of Life

The Structure and Function of Large Biological Molecules

A Tour of the Cell

Membrane Structure and Function

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

Cell Communication

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

From Gene to Protein

Regulation of Gene Expression

Viruses

Dna Tools and Biotechnology

Genomes and Their Evolution

Descent With Modification: a Darwinian View of Life

The Evolution of Populations

The Origin of Species

The History of Life on Earth

Phylogeny and the Tree of Life

Bacteria and Archaea

Protists

Plant Diversity I: How Plants Colonized Land

Plant Diversity Ii: the Evolution of Seed Plants

Fungi

An Overview of Animal Diversity

An Introduction to Invertebrates

The Origin and Evolution of Vertebrates

Plant Structure, Growth, and Development

Resource Acquisition and Transport in Vascular Plants

Soil and Plant Nutrition

Angiosperm Reproduction and Biotechnology

Plant Responses to Internal and External Signals

Basic Principles of Animal Form and Function

Circulation and Gas Exchange

The Immune System

Osmoregulation and Excretion

Hormones and the Endocrine System

Animal Reproduction

Animal Development

Neurons, Synapses, and Signalling

Nervous Systems

Sensory and Motor Mechanisms

Animal Behaviour

An Introduction to Ecology and the Biosphere

Population Ecology

Community Ecology

Ecosystems and Restoration Ecology

Conservation Biology and Global Change

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