Question 1

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.F) A) and E)
G) B) and C)

Question 2

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.F) B) and E)
G) A) and C)

Question 3

Digestive secretions with a pH of 2 are characteristic of the

Accepted Answer

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

Question 4

An enzyme with high activity in an acidic environment is

Accepted Answer

A)   amylase.
B)   pepsin.
C)   gastrin.
D)   trypsin.
E)   sucrose.F) All of the above
G) D) and E)

Question 5

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.F) C) and E)
G) None of the above

Question 6

Ingested dietary substances must cross cell membranes to be used by the body, a process known as

Accepted Answer

A)   ingestion.
B)   digestion.
C)   hydrolysis.
D)   absorption.
E)   elimination.F) B) and E)
G) A) and C)

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.F) C) and D)
G) B) and C)

Question 8

Certain nutrients are considered "essential" in the diets of some animals because

Accepted Answer

A)   only those animals use those nutrients.
B)   the nutrients are subunits of important polymers.
C)   these animals are not able to synthesize these nutrients.
D)   the nutrients are necessary coenzymes.
E)   only certain foods contain them.F) A) and D)
G) B) and E)

Question 9

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 proteinsF) B) and C)
G) A) and E)

Question 10

-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.F) C) and D)
G) B) and D)

Question 11

Which of the following organs is incorrectly paired with its function?

Accepted Answer

A)   stomach-protein digestion
B)   oral cavity-starch digestion
C)   large intestine-bile production
D)   small intestine-nutrient absorption
E)   pancreas enzyme productionF) B) and E)
G) A) and E)

Question 12

A hiatal hernia that disrupts the functional relationship between the smooth muscle in the esophagus and that in the stomach would be most likely to increase the frequency of

Accepted Answer

A)   gastric reflux.
B)   premature entry of food into the duodenum.
C)   excess secretion of pepsinogen.
D)   increased stomach pH.
E)   retention of food in the stomach.F) A) and B)
G) B) and C)

Question 13

A fasting animal whose energy needs exceed those provided in its diet draws on its stored resources in which order?

Accepted Answer

A)   fat, then glycogen, then protein
B)   glycogen, then protein, then fat
C)   liver glycogen, then muscle glycogen, then fat
D)   muscle glycogen, then fat, then liver glycogen
E)   fat, then protein, then glycogenF) C) and D)
G) B) and E)

Question 14

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

Accepted Answer

A)   hydrolysis.
B)   endocytosis.
C)   absorption.
D)   elimination.
E)   secretion.F) All of the above
G) B) and E)

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.F) B) and D)
G) A) and B)

Question 16

-Examine the digestive system structures in the figure above. The agents that help emulsify fats are produced in

Accepted Answer

A)   1
B)   2
C)   3
D)   8
E)   9F) A) and D)
G) C) and E)

Question 17

The mammalian trachea and esophagus both connect to the

Accepted Answer

A)   large intestine.
B)   stomach.
C)   pharynx.
D)   rectum.
E)   epiglottis.F) B) and C)
G) A) and C)

Question 18

Animals that migrate great distances would obtain the greatest energetic benefit of storing chemical energy as

Accepted Answer

A)   proteins.
B)   minerals.
C)   carbohydrates.
D)   amino acids.
E)   fats.F) A) and D)
G) A) and E)

Question 19

The molar teeth of herbivorous mammals are especially effective at

Accepted Answer

A)   cutting.
B)   ripping.
C)   grinding.
D)   splitting.
E)   piercing.F) A) and C)
G) C) and E)

Question 20

Historically inaccurate diagnosis of acid reflux disorders and gastric ulcers has been improved by

Accepted Answer

A)   pH monitoring.
B)   X-ray technology.
C)   the diagnosis and treatment of H. pylori infection.
D)   colonoscopy.
E)   sonography.F) C) and D)
G) C) and E)

Exam 41: Animal Nutrition

Historically inaccurate diagnosis of acid reflux disorders and gastric ulcers has been improved by

Correct AnswerverifiedShow Answer

Obesity in humans is most clearly linked to

Correct AnswerverifiedShow Answer

Ingested dietary substances must cross cell membranes to be used by the body, a process known as

Correct AnswerverifiedShow Answer

Digestive secretions with a pH of 2 are characteristic of the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following organs is incorrectly paired with its function?

Correct AnswerverifiedShow Answer

-Examine the digestive system structures in the figure above. Bacteria that produce vitamins as products are residents of location

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The molar teeth of herbivorous mammals are especially effective at

Correct AnswerverifiedShow Answer

Animals that migrate great distances would obtain the greatest energetic benefit of storing chemical energy as

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

An enzyme with high activity in an acidic environment is

Correct AnswerverifiedShow Answer

A fasting animal whose energy needs exceed those provided in its diet draws on its stored resources in which order?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The mammalian trachea and esophagus both connect to the

Correct AnswerverifiedShow Answer

Certain nutrients are considered "essential" in the diets of some animals because

Correct AnswerverifiedShow Answer

-Examine the digestive system structures in the figure above. The agents that help emulsify fats are produced in

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A hiatal hernia that disrupts the functional relationship between the smooth muscle in the esophagus and that in the stomach would be most likely to increase the frequency of

Correct AnswerverifiedShow Answer

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