Question 1

Exchange of oxygen, nutrients, and waste materials takes place across the walls of small vessels called

Accepted Answer

A)  ducts.
B)  venules.
C)  arterioles.
D)  capillaries.E) B) and D)
F) None of the above

Question 2

What is the first major organ to receive nutrients that are absorbed into the lymph?

Accepted Answer

A)  Liver
B)  Heart
C)  Spleen
D)  PancreasE) A) and C)
F) C) and D)

Question 3

What is the name of the projections on the inner surface of the small intestine?

Accepted Answer

A)  Villi
B)  Cilia
C)  Mesenteric vessels
D)  Vascular projectilesE) B) and D)
F) None of the above

Question 4

What is meant by the term "motility" in reference to the GI tract?

Accepted Answer

A)  The efficiency of lymph transport
B)  The ability of the GI tract muscles to move
C)  The speed of gastric digestive juice release
D)  The speed of pancreatic digestive juice releaseE) B) and C)
F) A) and D)

Question 5

Which of the following is generally not digested but does stimulate intestinal muscle contractions?

Accepted Answer

A)  Bile
B)  Fiber
C)  Starch
D)  AmylaseE) All of the above
F) None of the above

Question 6

When consumed on a regular basis, which of the following foods promotes healthful changes of the microflora of the GI tract?

Accepted Answer

A)  Fish
B)  Yogurt
C)  Poultry
D)  Iron-rich foodsE) A) and B)
F) A) and C)

Question 7

All of the following are important issues in the treatment or management of existing ulcers except

Accepted Answer

A)  alcohol intake should be curtailed.
B)  antibiotics are frequently administered.
C)  gastric acid release should be suppressed.
D)  anti-inflammatory drug use should be curtailed.E) A) and C)
F) All of the above

Question 8

What is a function of hydrochloric acid in the stomach?

Accepted Answer

A)  Absorbs water
B)  Inhibits peristalsis
C)  Neutralizes the food mass
D)  Creates an optimum acidityE) B) and C)
F) All of the above

Question 9

Which of the following is not a typical component of stools?

Accepted Answer

A)  Water
B)  Fiber
C)  Starch
D)  BacteriaE) A) and D)
F) None of the above

Question 10

What is the first vessel to receive absorbed water-soluble vitamins?

Accepted Answer

A)  Hepatic vein
B)  Mesenteric vein
C)  Mesenteric artery
D)  Hepatic portal veinE) B) and D)
F) B) and C)

Question 11

Which of the following nutrients requires the least amount of digestion?

Accepted Answer

A)  Starch
B)  Calcium
C)  Animal fats
D)  Animal proteinsE) A) and B)
F) B) and D)

Question 12

What is the normal pH of stomach juice?

Accepted Answer

A)  0.25-0.50
B)  1.5-1.7
C)  7.0-7.5
D)  9.5-9.75E) B) and D)
F) A) and B)

Question 13

A peptic ulcer resides in the

Accepted Answer

A)  stomach only.
B)  duodenum only.
C)  stomach or duodenum only.
D)  esophagus and stomach only.E) All of the above
F) A) and C)

Question 14

The most common cause for the development of ulcers is

Accepted Answer

A)  infection from H.pylori.
B)  excessive consumption of spicy foods.
C)  failure to adapt to a high-stress lifestyle.
D)  prolonged excessive consumption of hot beverages.E) A) and C)
F) None of the above

Question 15

Which of the following is associated with the presence of fat in the GI tract?

Accepted Answer

A)  Inhibition of mucosal enzyme activities
B)  Slowing of the process of digestion and absorption
C)  Inhibition of thiamin, riboflavin, and niacin absorption
D)  Stimulation and hastening of digestion and absorptionE) A) and B)
F) C) and D)

Question 16

What types of enzymes are responsible for hydrolyzing the proteins in foods?

Accepted Answer

A)  Lipases
B)  Salivases
C)  Proteases
D)  CarbohydrasesE) C) and D)
F) A) and B)

Question 17

The usual pH of gastric juice is approximately

Accepted Answer

A)  2.
B)  4.
C)  6.
D)  7.E) B) and C)
F) A) and B)

Question 18

What structure separates the colon from the small intestine?

Accepted Answer

A)  Pylorus
B)  Ileocecal valve
C)  Gastric retainer
D)  Rectal sphincterE) A) and D)
F) A) and B)

Question 19

Which of the following results from reverse peristalsis?

Accepted Answer

A)  Gas
B)  Choking
C)  Vomiting
D)  DiarrheaE) A) and B)
F) A) and C)

Question 20

Untreated gastroesophageal reflux increases the risk for the more serious condition known as

Accepted Answer

A)  Graves' disease.
B)  Sinclair's gastrum.
C)  Barrett's esophagus.
D)  Zollinger-Ellison cancer.E) B) and D)
F) A) and B)

Exam 3: Digestion, Absorption, and Transport

The usual pH of gastric juice is approximately

Correct AnswerverifiedShow Answer

What is the normal pH of stomach juice?

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The most common cause for the development of ulcers is

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A peptic ulcer resides in the

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Which of the following is associated with the presence of fat in the GI tract?

Correct AnswerverifiedShow Answer

All of the following are important issues in the treatment or management of existing ulcers except

Correct AnswerverifiedShow Answer

Which of the following is generally not digested but does stimulate intestinal muscle contractions?

Correct AnswerverifiedShow Answer

What is the first vessel to receive absorbed water-soluble vitamins?

Correct AnswerverifiedShow Answer

Untreated gastroesophageal reflux increases the risk for the more serious condition known as

Correct AnswerverifiedShow Answer

Which of the following is not a typical component of stools?

Correct AnswerverifiedShow Answer

What is a function of hydrochloric acid in the stomach?

Correct AnswerverifiedShow Answer

When consumed on a regular basis, which of the following foods promotes healthful changes of the microflora of the GI tract?

Correct AnswerverifiedShow Answer

Which of the following nutrients requires the least amount of digestion?

Correct AnswerverifiedShow Answer

What types of enzymes are responsible for hydrolyzing the proteins in foods?

Correct AnswerverifiedShow Answer

Exchange of oxygen, nutrients, and waste materials takes place across the walls of small vessels called

Correct AnswerverifiedShow Answer

What is the first major organ to receive nutrients that are absorbed into the lymph?

Correct AnswerverifiedShow Answer

What is meant by the term "motility" in reference to the GI tract?

Correct AnswerverifiedShow Answer

What is the name of the projections on the inner surface of the small intestine?

Correct AnswerverifiedShow Answer

What structure separates the colon from the small intestine?

Correct AnswerverifiedShow Answer

Which of the following results from reverse peristalsis?

Correct AnswerverifiedShow Answer

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