Question 1

Where does peristalsis occur in the digestive tract?

Accepted Answer

A)   From the pharynx to the anus
B)   In the stomach and small intestine only
C)   In the small and large intestines only
D)   In the stomach, small intestine, and large intestine only
E)   In the rectum and anus onlyF) A) and E)
G) None of the above

Question 2

What is the uvula?

Accepted Answer

A)   A type of tooth
B)   A projection of the soft palate
C)   A part of the female reproductive system
D)   A part of the tongue
E)   A flap of tissue that keeps food from entering the respiratory systemF) A) and B)
G) None of the above

Question 3

Which constituent of bile has a digestive function?

Accepted Answer

A)   Bile salts
B)   Bile pigments
C)   Cholesterol
D)   Electrolytes
E)   GlucoseF) B) and C)
G) A) and E)

Question 4

Sight or smell of food can stimulate salivation.

Accepted Answer

A) True 
 B)False

Question 5

What stimulates cholecystokinin secretion from the intestinal wall?

Accepted Answer

A)   The presence of proteins in the stomach
B)   The presence of carbohydrates and fatsin the small intestine
C)   The presence of fats in the stomach
D)   The presence of proteins and fatsin the small intestine
E)   The presence of carbohydrates in the stomachF) B) and E)
G) A) and E)

Question 6

The epithelial cells that form the inner lining of the small intestine __________.

Accepted Answer

A)   are replaced every few days
B)   are not able to reproduce
C)   are permanent parts of the villi
D)   remain where they are first formed
E)   differentiate into adipose cellsF) A) and B)
G) A) and C)

Question 7

What is the correct sequence for the layers within the wall of the alimentary canal from inside to outside?

Accepted Answer

A)   Mucosa, muscularis, serosa, submucosa
B)   Mucosa, submucosa, muscularis, serosa
C)   Serosa, muscularis, mucosa, submucosa
D)   Submucosa, mucosa, serosa, muscularis
E)   Serosa, muscularis, submucosa, mucosaF) A) and E)
G) D) and E)

Question 8

The parotid gland differs from the submandibular and sublingual glands in that it secretes a clear fluid that is rich in amylase.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following phases of swallowing is voluntary?

Accepted Answer

A)   The tongue pushing the bolus of the food towards the pharynx
B)   The secretion of saliva rich in digestive enzymes by the parotid gland
C)   The raising of the soft palate to cover the opening to the nasal cavity
D)   The contraction of pharyngeal muscles to pull the pharynx towards the food
E)   The peristaltic wave in the pharynx and esophagus to push the food towards the stomachF) B) and E)
G) C) and D)

Question 10

What teeth are best adapted for biting off relatively large pieces of food?

Accepted Answer

A)   Incisors
B)   Canines
C)   Bicuspids
D)   Molars
E)   PremolarsF) All of the above
G) D) and E)

Question 11

What process must a cell perform to extract energy from proteins?

Accepted Answer

A)   Deamination
B)   Glycogenloysis
C)   Beta oxidation
D)   GlycogenesisE) A) and C)
F) B) and D)

Question 12

Muscle cramps can be due to an electrolyte imbalance between sodium and potassium. The imbalance can be a result of poor nutrition. What food could be added to the diet to raise these minerals?

Accepted Answer

A)   Avocados
B)   Oranges
C)   Leafy greens
D)   MilkE) B) and C)
F) B) and D)

Question 13

You are flipping through your instagram feed, which is full of pictures of food. Which of the following digestive processes did this most likely stimulate?

Accepted Answer

A)   Salivation
B)   Deglutition
C)   Mastication
D)   DefecationE) B) and D)
F) C) and D)

Question 14

The parotid gland is located __________ and functions to __________.

Accepted Answer

A)   on the side of the mouth; produce and secrete saliva
B)   under the mandible; produce and secrete saliva
C)   behind the stomach; produce and secrete digestive enzymes
D)   under the liver; store and secrete bile
E)   in the wall of the small intestine; produce and secrete mucusF) A) and E)
G) A) and D)

Question 15

The sphincter muscle located between the small intestine and the large intestine is the ___________ valve.

Accepted Answer

The answer of The sphincter muscle located between the small...

Question 16

Fat molecules with longer chains of carbon atoms are transported away from the small intestine in fluid called ___________.

Accepted Answer

The answer of Fat molecules with longer chains of carbon...

Question 17

The movement of chyme through the small intestine is increased by parasympathetic impulses and is inhibited by sympathetic impulses.

Accepted Answer

A) True 
 B)False

Question 18

The American Heart Association recommends that the percentage of calories in a person's diet derived from fats should not exceed __________.

Accepted Answer

A)   5%
B)   10%
C)   20%
D)   30%
E)   40%F) C) and D)
G) B) and D)

Question 19

What regulates the release of pancreatic digestive secretions?

Accepted Answer

A)   Bile salts in the duodenum
B)   Cholesterol in the stomach
C)   Cholecystokinin
D)   Volume of foodE) C) and D)
F) B) and D)

Question 20

Pancreatic acinar cells secrete pancreatic juice.

Accepted Answer

A) True 
 B)False

Exam 15: Digestion and Nutrition

Which constituent of bile has a digestive function?

Correct AnswerverifiedShow Answer

What regulates the release of pancreatic digestive secretions?

Correct AnswerverifiedShow Answer

What is the uvula?

Correct AnswerverifiedShow Answer

What stimulates cholecystokinin secretion from the intestinal wall?

Correct AnswerverifiedShow Answer

Which of the following phases of swallowing is voluntary?

Correct AnswerverifiedShow Answer

The parotid gland differs from the submandibular and sublingual glands in that it secretes a clear fluid that is rich in amylase.

Correct AnswerverifiedShow Answer

Pancreatic acinar cells secrete pancreatic juice.

Correct AnswerverifiedShow Answer

Sight or smell of food can stimulate salivation.

Correct AnswerverifiedShow Answer

The American Heart Association recommends that the percentage of calories in a person's diet derived from fats should not exceed __________.

Correct AnswerverifiedShow Answer

What is the correct sequence for the layers within the wall of the alimentary canal from inside to outside?

Correct AnswerverifiedShow Answer

What process must a cell perform to extract energy from proteins?

Correct AnswerverifiedShow Answer

The epithelial cells that form the inner lining of the small intestine __________.

Correct AnswerverifiedShow Answer

The sphincter muscle located between the small intestine and the large intestine is the ___________ valve.

Correct AnswerverifiedShow Answer

What teeth are best adapted for biting off relatively large pieces of food?

Correct AnswerverifiedShow Answer

You are flipping through your instagram feed, which is full of pictures of food. Which of the following digestive processes did this most likely stimulate?

Correct AnswerverifiedShow Answer

Where does peristalsis occur in the digestive tract?

Correct AnswerverifiedShow Answer

Fat molecules with longer chains of carbon atoms are transported away from the small intestine in fluid called ___________.

Correct AnswerverifiedShow Answer

The movement of chyme through the small intestine is increased by parasympathetic impulses and is inhibited by sympathetic impulses.

Correct AnswerverifiedShow Answer

The parotid gland is located __________ and functions to __________.

Correct AnswerverifiedShow Answer

Muscle cramps can be due to an electrolyte imbalance between sodium and potassium. The imbalance can be a result of poor nutrition. What food could be added to the diet to raise these minerals?

Correct AnswerverifiedShow Answer

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The parotid gland is located and functions to .

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