Question 1

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 2

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 3

The absorption of fats differs from that of carbohydrates in that the

Accepted Answer

A) processing of fats does not require any digestive enzymes, whereas the processing of carbohydrates does. 
B) fat absorption occurs in the stomach, whereas carbohydrates are absorbed from the small intestine. 
C) carbohydrates need to be emulsified before they can be digested, whereas fats do not. 
D) most absorbed fat first enters the lymphatic system, whereas carbohydrates directly enter the blood. 
E) fats, but not carbohydrates, are digested by bacteria before absorption. 
A) processing of fats does not require any digestive enzymes, whereas the processing of carbohydrates does. 
B) fat absorption occurs in the stomach, whereas carbohydrates are absorbed from the small intestine. 
C) carbohydrates need to be emulsified before they can be digested, whereas fats do not. 
D) most absorbed fat first enters the lymphatic system, whereas carbohydrates directly enter the blood. 
E) fats, but not carbohydrates, are digested by bacteria before absorption.

Question 4

The bile salts

Accepted Answer

A) are enzymes. 
B) are manufactured by the pancreas. 
C) emulsify fats in the duodenum. 
D) increase the efficiency of pepsin action. 
E) are normally an ingredient of gastric juice. 
A) are enzymes. 
B) are manufactured by the pancreas. 
C) emulsify fats in the duodenum. 
D) increase the efficiency of pepsin action. 
E) are normally an ingredient of gastric juice.

Question 5

In marine sponges,intracellular digestion of peptides is usually immediately preceded by

Accepted Answer

A) hydrolysis. 
B) endocytosis. 
C) absorption. 
D) elimination. 
E) secretion. 
A) hydrolysis. 
B) endocytosis. 
C) absorption. 
D) elimination. 
E) secretion.

Question 6

The fat-soluble vitamins include

Accepted Answer

A) vitamin A. 
B) vitamin B₁₂. 
C) vitamin C. 
D) iodine. 
E) calcium. 
A) vitamin A. 
B) vitamin B₁₂. 
C) vitamin C. 
D) iodine. 
E) calcium.

Question 7

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 8

If you found a vertebrate skull in the woods and the teeth were sharp and scissor-like,what type of food would you expect this animal to eat?

Accepted Answer

A) grass 
B) flesh of another animal 
C) nectar 
D) blood 
E) insects 
A) grass 
B) flesh of another animal 
C) nectar 
D) blood 
E) insects

Question 9

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 10

For a nondiabetic person,the glucose concentration in this part of the vasculature varies more than in any other part.

Accepted Answer

A) abdominal artery 
B) coronary arteries 
C) pulmonary veins 
D) hepatic portal vessel 
E) jugular vein 
A) abdominal artery 
B) coronary arteries 
C) pulmonary veins 
D) hepatic portal vessel 
E) jugular vein

Question 11

Glandular secretions that are released initially as inactive precursors of digestive enzymes are the

Accepted Answer

A) protein-digesting enzymes. 
B) fat-solubilizing bile salts. 
C) acid-neutralizing bicarbonate. 
D) carbohydrate-digesting enzymes. 
E) hormones such as gastrin. 
A) protein-digesting enzymes. 
B) fat-solubilizing bile salts. 
C) acid-neutralizing bicarbonate. 
D) carbohydrate-digesting enzymes. 
E) hormones such as gastrin.

Question 12

Complex nutrients are digested and then absorbed into the lymph or bloodstream as

Accepted Answer

A) disaccharides. 
B) polymers. 
C) monomers. 
D) enzymes. 
E) peptides. 
A) disaccharides. 
B) polymers. 
C) monomers. 
D) enzymes. 
E) peptides.

Question 13

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 14

Excessive iron absorption and accumulation to toxic levels is associated with

Accepted Answer

A) excessive blood volume. 
B) a liver abnormality that results in a decreased number of red blood cells. 
C) various forms of inherited or acquired anemia. 
D) the genetic disorder known as hemochromatosis. 
E) menstruation and menopause. 
A) excessive blood volume. 
B) a liver abnormality that results in a decreased number of red blood cells. 
C) various forms of inherited or acquired anemia. 
D) the genetic disorder known as hemochromatosis. 
E) menstruation and menopause.

Question 15

Earthworms,grasshoppers,and birds all have a

Accepted Answer

A) gastric cecae. 
B) larynx. 
C) crop. 
D) pharynx. 
E) epiglottis. 
A) gastric cecae. 
B) larynx. 
C) crop. 
D) pharynx. 
E) epiglottis.

Question 16

In a well-fed human eating a Western diet,the richest source of stored chemical energy in the body is

Accepted Answer

A) fat in adipose tissue. 
B) glucose in the blood. 
C) protein in muscle cells. 
D) glycogen in muscle cells. 
E) calcium phosphate in bone. 
A) fat in adipose tissue. 
B) glucose in the blood. 
C) protein in muscle cells. 
D) glycogen in muscle cells. 
E) calcium phosphate in bone.

Question 17

When attached to a host,the deer tick (Ixodes scapularis)uses which type of feeding mechanism?

Accepted Answer

A) suspension feeder 
B) fluid feeder 
C) substrate feeder 
D) bulk feeder 
E) filter feeder 
A) suspension feeder 
B) fluid feeder 
C) substrate feeder 
D) bulk feeder 
E) filter feeder

Question 18

What is the process of eating food is known as?

Accepted Answer

A) ingestion 
B) digestion 
C) absorption 
D) excretion 
E) collection 
A) ingestion 
B) digestion 
C) absorption 
D) excretion 
E) collection

Question 19

During the snowy winter months,moose (Alces alces)can be seen at the sides of roads and highways drinking the salty water in puddles.This is because

Accepted Answer

A) sulphur is an essential mineral in the moose diet. 
B) calcium is an essential mineral in the moose diet. 
C) sulphur chloride is an essential nutrient in the moose diet. 
D) sodium chloride is an essential nutrient in the moose diet. 
E) calcium chloride is an essential nutrient in the moose diet. 
A) sulphur is an essential mineral in the moose diet. 
B) calcium is an essential mineral in the moose diet. 
C) sulphur chloride is an essential nutrient in the moose diet. 
D) sodium chloride is an essential nutrient in the moose diet. 
E) calcium chloride is an essential nutrient in the moose diet.

Question 20

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.

Exam 41: Animal Nutrition

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

Pepsin is a digestive enzyme that

The absorption of fats differs from that of carbohydrates in that the

The bile salts

In marine sponges,intracellular digestion of peptides is usually immediately preceded by

The fat-soluble vitamins include

A mineral that is especially important for preventing anemia is

If you found a vertebrate skull in the woods and the teeth were sharp and scissor-like,what type of food would you expect this animal to eat?

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

For a nondiabetic person,the glucose concentration in this part of the vasculature varies more than in any other part.

Glandular secretions that are released initially as inactive precursors of digestive enzymes are the

Complex nutrients are digested and then absorbed into the lymph or bloodstream as

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

Excessive iron absorption and accumulation to toxic levels is associated with

Earthworms,grasshoppers,and birds all have a

In a well-fed human eating a Western diet,the richest source of stored chemical energy in the body is

When attached to a host,the deer tick (Ixodes scapularis)uses which type of feeding mechanism?

What is the process of eating food is known as?

During the snowy winter months,moose (Alces alces)can be seen at the sides of roads and highways drinking the salty water in puddles.This is because

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

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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