Question 1

__________ percent of American adults are overweight or obese.

Accepted Answer

A) 30 
B) 40 
C) 50 
D) 60 
E) 70 
A) 30 
B) 40 
C) 50 
D) 60 
E) 70

Question 2

The muscular digestive organ in which food is ground into small bits in birds is the

Accepted Answer

A) intestine. 
B) gizzard. 
C) crop. 
D) stomach. 
E) cloaca. 
A) intestine. 
B) gizzard. 
C) crop. 
D) stomach. 
E) cloaca.

Question 3

"Descending" is a term associated with the

Accepted Answer

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

Question 4

Ruminants need special enzymes to digest

Accepted Answer

A) starch. 
B) proteins. 
C) cellulose. 
D) lignin. 
E) glycogen. 
A) starch. 
B) proteins. 
C) cellulose. 
D) lignin. 
E) glycogen.

Question 5

What is the organ in animals without teeth such as earthworms and birds that accomplishes the same action as teeth?

Accepted Answer

A) beak 
B) pharynx 
C) gizzard 
D) cloaca 
E) crop 
A) beak 
B) pharynx 
C) gizzard 
D) cloaca 
E) crop

Question 6

Adipose cells secrete __________, a(n) __________ that acts on the __________ to help control appetite.

Accepted Answer

A) ghrelin; enzyme; stomach 
B) leptin; enzyme; brain 
C) leptin; hormone; brain 
D) ghrelin; hormone; stomach 
E) ghrelin; hormone; brain 
A) ghrelin; enzyme; stomach 
B) leptin; enzyme; brain 
C) leptin; hormone; brain 
D) ghrelin; hormone; stomach 
E) ghrelin; hormone; brain

Question 7

Which of the following is NOT found in bile?

Accepted Answer

A) salts 
B) cholesterol 
C) pigments 
D) digestive enzymes 
E) lipids 
A) salts 
B) cholesterol 
C) pigments 
D) digestive enzymes 
E) lipids

Question 8

Use the above figure to answer questions 
  
-The teeth designated by the letter "A" in the above figure are called

Accepted Answer

A) canines. 
B) premolars. 
C) incisors. 
D) molars. 
E) none of these. 
A) canines. 
B) premolars. 
C) incisors. 
D) molars. 
E) none of these.

Question 9

Which of the following statements about digestion in ruminants is false?

Accepted Answer

A) Ruminant animals have symbiotic bacteria to aid in the digestion of their food. 
B) It takes longer to digest plant material than meat. 
C) Chewing results in mechanically breaking down food and exposing more cellulose to digestive enzymes. 
D) Ruminants have a smaller range of foods in their diet than do humans. 
E) Pronghorn antelopes and other herbivores have a single but disproportionately large stomach. 
A) Ruminant animals have symbiotic bacteria to aid in the digestion of their food. 
B) It takes longer to digest plant material than meat. 
C) Chewing results in mechanically breaking down food and exposing more cellulose to digestive enzymes. 
D) Ruminants have a smaller range of foods in their diet than do humans. 
E) Pronghorn antelopes and other herbivores have a single but disproportionately large stomach.

Question 10

The production of gastric juice is an example of what digestive system task?

Accepted Answer

A) mechanical processing 
B) secretion 
C) digestion 
D) absorption 
E) elimination 
A) mechanical processing 
B) secretion 
C) digestion 
D) absorption 
E) elimination

Question 11

Stomach motility

Accepted Answer

A) decreases following a heavy meal. 
B) controls the amount of material leaving via the pyloric sphincter. 
C) is unaffected by emotional state or external environmental factors. 
D) may be retarded when stretch receptors on the stomach wall are activated. 
E) is increased by hormones released in response to high stomach acidity. 
A) decreases following a heavy meal. 
B) controls the amount of material leaving via the pyloric sphincter. 
C) is unaffected by emotional state or external environmental factors. 
D) may be retarded when stretch receptors on the stomach wall are activated. 
E) is increased by hormones released in response to high stomach acidity.

Question 12

Immediately after a meal, the concentration of glucose in the blood tends to increase due specifically to what digestive system task?

Accepted Answer

A) mechanical processing 
B) secretion 
C) digestion 
D) absorption 
E) elimination 
A) mechanical processing 
B) secretion 
C) digestion 
D) absorption 
E) elimination

Question 13

Some cells of the stomach and brain produce which of the following hormones when the stomach is empty?

Accepted Answer

A) leptin 
B) ghrelin 
C) gastric juice 
D) pancreatic hormones 
E) cholecystokinin 
A) leptin 
B) ghrelin 
C) gastric juice 
D) pancreatic hormones 
E) cholecystokinin

Question 14

All of the following are in some way involved with protein digestion EXCEPT

Accepted Answer

A) chymotrypsin. 
B) amylase. 
C) aminopeptidase. 
D) pepsin. 
E) trypsin. 
A) chymotrypsin. 
B) amylase. 
C) aminopeptidase. 
D) pepsin. 
E) trypsin.

Question 15

Motility is the only digestive task of the

Accepted Answer

A) mouth. 
B) esophagus. 
C) stomach. 
D) duodenum. 
E) jejunum. 
A) mouth. 
B) esophagus. 
C) stomach. 
D) duodenum. 
E) jejunum.

Question 16

Which of the following is (are) true regarding gastric bypass surgery?

Accepted Answer

A) It is an unusually safe surgical procedure. 
B) It is known to stimulate the production of leptin. 
C) It may inhibit the production of ghrelin. 
D) It causes food to bypass the stomach and go directly to the small intestine. 
E) None of these are true. 
A) It is an unusually safe surgical procedure. 
B) It is known to stimulate the production of leptin. 
C) It may inhibit the production of ghrelin. 
D) It causes food to bypass the stomach and go directly to the small intestine. 
E) None of these are true.

Question 17

The acid released in the stomach is

Accepted Answer

A) carbonic acid. 
B) hydrochloric acid. 
C) nitric acid. 
D) sulfuric acid. 
E) phosphoric acid. 
A) carbonic acid. 
B) hydrochloric acid. 
C) nitric acid. 
D) sulfuric acid. 
E) phosphoric acid.

Question 18

Which of the following is NOT an active form of an enzyme?

Accepted Answer

A) trypsin 
B) amylase 
C) pepsin 
D) pepsinogen 
E) chymotrypsin 
A) trypsin 
B) amylase 
C) pepsin 
D) pepsinogen 
E) chymotrypsin

Question 19

Moistening and lubrication of food occurs in the human

Accepted Answer

A) mouth. 
B) esophagus. 
C) stomach. 
D) duodenum. 
E) jejunum. 
A) mouth. 
B) esophagus. 
C) stomach. 
D) duodenum. 
E) jejunum.

Question 20

The large crowns of pronghorn molars are an adaptation to

Accepted Answer

A) the size of their jaws. 
B) the type of food that they eat. 
C) the soft texture of their food. 
D) the high acid content of their mouths. 
E) none of these. 
A) the size of their jaws. 
B) the type of food that they eat. 
C) the soft texture of their food. 
D) the high acid content of their mouths. 
E) none of these.

Exam 40: Digestion and Human Nutrition

__________ percent of American adults are overweight or obese.

The muscular digestive organ in which food is ground into small bits in birds is the

"Descending" is a term associated with the

Ruminants need special enzymes to digest

What is the organ in animals without teeth such as earthworms and birds that accomplishes the same action as teeth?

Adipose cells secrete __________, a(n) __________ that acts on the __________ to help control appetite.

Which of the following is NOT found in bile?

Use the above figure to answer questions -The teeth designated by the letter "A" in the above figure are called

Which of the following statements about digestion in ruminants is false?

The production of gastric juice is an example of what digestive system task?

Stomach motility

Immediately after a meal, the concentration of glucose in the blood tends to increase due specifically to what digestive system task?

Some cells of the stomach and brain produce which of the following hormones when the stomach is empty?

All of the following are in some way involved with protein digestion EXCEPT

Motility is the only digestive task of the

Which of the following is (are) true regarding gastric bypass surgery?

The acid released in the stomach is

Which of the following is NOT an active form of an enzyme?

Moistening and lubrication of food occurs in the human

The large crowns of pronghorn molars are an adaptation to

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

Recombinant Dna and Genetic Engineering

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Protists the Simplest Eukaryotes

Plants

Fungi

Animals: the Invertebrates

Animal Evolution the Chordates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction

Plant Growth and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Protection, Support, and Movement

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Animal Reproductive Systems

Animal Development

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Adipose cells secrete , a(n) that acts on the __ to help control appetite.