Question 1

A child hanging upside down from a tree takes a bite from a candy bar. They manage to chew the candy and swallow it successfully. What prevents the bolus from entering the upper part of the nasopharynx?

Accepted Answer

A)  Muscles immediately pull the pharynx upward toward the bolus in the swallowing reflex and suck it from the back of the tongue.
B)  The posterior part of the tongue and the anterior section of the pharynx also undergo peristalsis, so the food is immediately pushed downward.
C)  During the swallowing reflex, the tongue presses against the soft palate and forces the nasal region of the nasopharynx shut.
D)  The most anterior section of the nasopharynx is only connected to the oropharynx by small ducts, so the bolus cannot enter it.E) A) and B)
F) A) and C)

Question 2

From the stomach, food passes into the duodenum, then the jejunum, and then the ileum.

Accepted Answer

A) True 
 B)False

Question 3

The disorder of the large intestine producing a "cobblestone" effect within the tissues of the colon is

Accepted Answer

A)  colorectal cancer.
B)  hemorrhoids.
C)  Crohn's disease.
D)  ulcerative colitis.E) A) and B)
F) C) and D)

Question 4

The hepatic duct connects the gallbladder to the bile duct.

Accepted Answer

A) True 
 B)False

Question 5

Tanisha has abdominal pains. Medical tests reveal that she can digest nutrients, but the nutrients are not taken in by the intestinal blood supply. She likely has

Accepted Answer

A)  malnutrition.
B)  malabsorption.
C)  constipation.
D)  food allergy.E) A) and D)
F) None of the above

Question 6

Bile salts function as digestive enzymes to break down fatty acids.

Accepted Answer

A) True 
 B)False

Question 7

________ is a protein-digesting enzyme in pancreatic juice.

Accepted Answer

A)  Trypsin
B)  Pancrease
C)  Amylase
D)  NucleaseE) C) and D)
F) B) and D)

Question 8

Activities of the digestive system generally increase when it is stimulated by

Accepted Answer

A)  sympathetic impulses.
B)  parasympathetic impulses.
C)  sensory impulses.
D)  somatic impulses.E) A) and B)
F) A) and C)

Question 9

Matthew takes a drug that inhibits the production of HCl in the stomach to ease the symptoms of a gastric ulcer. If he takes it for a long time, digestion of which nutrient would be affected the most?

Accepted Answer

A)  Carbohydrates
B)  Lipids
C)  Proteins
D)  MineralsE) All of the above
F) B) and C)

Question 10

A patient swears they make sure they eat plenty of foods rich in vitamin B12, but they still suffer from the anemia, jaundice, and weakness associated with vitamin B12 deficiency. Their doctor thinks their body might not be producing ________, which is necessary for vitamin B12 absorption.

Accepted Answer

The answer of A patient swears they make sure they...

Question 11

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 12

The epiglottis is attached to the

Accepted Answer

A)  esophagus.
B)  trachea.
C)  pharynx.
D)  larynx.E) A) and D)
F) A) and C)

Question 13

The stomach is C-shaped and extends from the duodenum to the spleen.

Accepted Answer

A) True 
 B)False

Question 14

The uvula is

Accepted Answer

A)  a type of tooth.
B)  a projection from the soft palate.
C)  a flap of tissue that keeps food from entering the trachea.
D)  part of the tongue.E) C) and D)
F) All of the above

Question 15

Enlarged blood vessels of the anal columns are called

Accepted Answer

A)  peritonitis.
B)  hemorrhoids.
C)  diarrhea.
D)  flatulence.E) B) and C)
F) All of the above

Question 16

Which of the following is true about bile?

Accepted Answer

A)  Cholecystokinin stimulates its production.
B)  Secretin stimulates release of bile into the duodenum.
C)  It contains concentrated enzymes that digest carbohydrates.
D)  Bile is produced by the liver.E) None of the above
F) C) and D)

Question 17

The parietal cells of gastric glands secrete

Accepted Answer

A)  mucus.
B)  pepsinogen.
C)  hydrochloric acid.
D)  pepsin.E) All of the above
F) A) and B)

Question 18

Pancreatic acinar cells secrete pancreatic juice.

Accepted Answer

A) True 
 B)False

Question 19

Secretion of cholecystokinin from the intestinal wall is stimulated by

Accepted Answer

A)  protein in the stomach.
B)  protein in the small intestine.
C)  fat in the stomach.
D)  protein and fat in the small intestine.E) C) and D)
F) A) and D)

Question 20

Gallstones may form if

Accepted Answer

A)  bile is too concentrated.
B)  hepatic cells secrete too much HCl.
C)  the pH of the gallbladder becomes too alkaline.
D)  the liver is lacerated.E) All of the above
F) A) and B)

Exam 17: Digestive System

Enlarged blood vessels of the anal columns are called

Correct AnswerverifiedShow Answer

Bile salts function as digestive enzymes to break down fatty acids.

Correct AnswerverifiedShow Answer

The uvula is

Correct AnswerverifiedShow Answer

From the stomach, food passes into the duodenum, then the jejunum, and then the ileum.

Correct AnswerverifiedShow Answer

The hepatic duct connects the gallbladder to the bile duct.

Correct AnswerverifiedShow Answer

________ is a protein-digesting enzyme in pancreatic juice.

Correct AnswerverifiedShow Answer

Tanisha has abdominal pains. Medical tests reveal that she can digest nutrients, but the nutrients are not taken in by the intestinal blood supply. She likely has

Correct AnswerverifiedShow Answer

Gallstones may form if

Correct AnswerverifiedShow Answer

Secretion of cholecystokinin from the intestinal wall is stimulated by

Correct AnswerverifiedShow Answer

The parietal cells of gastric glands secrete

Correct AnswerverifiedShow Answer

Pancreatic acinar cells secrete pancreatic juice.

Correct AnswerverifiedShow Answer

A patient swears they make sure they eat plenty of foods rich in vitamin B12, but they still suffer from the anemia, jaundice, and weakness associated with vitamin B12 deficiency. Their doctor thinks their body might not be producing ________, which is necessary for vitamin B12 absorption.

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

Which of the following is true about bile?

Correct AnswerverifiedShow Answer

The epiglottis is attached to the

Correct AnswerverifiedShow Answer

Activities of the digestive system generally increase when it is stimulated by

Correct AnswerverifiedShow Answer

The stomach is C-shaped and extends from the duodenum to the spleen.

Correct AnswerverifiedShow Answer

Matthew takes a drug that inhibits the production of HCl in the stomach to ease the symptoms of a gastric ulcer. If he takes it for a long time, digestion of which nutrient would be affected the most?

Correct AnswerverifiedShow Answer

A child hanging upside down from a tree takes a bite from a candy bar. They manage to chew the candy and swallow it successfully. What prevents the bolus from entering the upper part of the nasopharynx?

Correct AnswerverifiedShow Answer

The disorder of the large intestine producing a "cobblestone" effect within the tissues of the colon is

Correct AnswerverifiedShow Answer

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