General

Question 1

Chyme is produced in the \_\_\_\_\_\_\_.
A) colon
B) stomach
C) small intestine
D) duodenum
E) esophagus
F) salivary glands
G) pancreas
H) liver
I) gall bladder

Answer 1

B) stomach

Question 2

Site where most absorption occurs is the \_\_\_\_\_\_\_.
A) colon
B) stomach
C) small intestine
D) duodenum
E) esophagus
F) salivary glands
G) pancreas
H) liver
I) gall bladder

Answer 2

C) small intestine

Question 3

Initial section of the small intestine is the \_\_\_\_\_\_\_\_.
A) colon
B) stomach
C) small intestine
D) duodenum
E) esophagus
F) salivary glands
G) pancreas
H) liver
I) gall bladder

Answer 3

D) duodenum

Question 4

Adds stored liver secretion to the duodenum via a duct\_\_\_\_\_\_\_.
A) colon
B) stomach
C) small intestine
D) duodenum
E) esophagus
F) salivary glands
G) pancreas
H) liver
I) gall bladder

Answer 4

I) gall bladder

Question 5

Inactive enzymes (zymogens) are produced here\_\_\_\_\_\_.
A) colon
B) stomach
C) small intestine
D) duodenum
E) esophagus
F) salivary glands
G) pancreas
H) liver
I) gall bladder

Answer 5

G) pancreas

Question 6

Bile is produced here \_\_\_\_\_\_\_.
A) colon
B) stomach
C) small intestine
D) duodenum
E) esophagus
F) salivary glands
G) pancreas
H) liver
I) gall bladder

Answer 6

H) liver

Question 7

Waste products are concentrated here \_\_\_\_\_\_\_\_.
A) colon
B) stomach
C) small intestine
D) duodenum
E) esophagus
F) salivary glands
G) pancreas
H) liver
I) gall bladder

Answer 7

A) colon

Question 8

. Conduit for rapid transit of food bolus is the \_\_\_\_\_\_.
A) colon
B) stomach
C) small intestine
D) duodenum
E) esophagus
F) salivary glands
G) pancreas
H) liver
I) gall bladder

Answer 8

E) esophagus

Question 9

The parietal cells secrete \_\_\_ into the lumen of the GI tract.
A) histamine
B) intrinsic factor
C) pepsinogen
D) HCO3-
E) mucus
F) somatostatin
G) Acetylcholine (Ach)
H) gastrin

Answer 9

B) intrinsic factor

Question 10

Chief cells secrete \_\_\_\_\_.
A) histamine
B) intrinsic factor
C) pepsinogen
D) HCO3-
E) mucus
F) somatostatin
G) Acetylcholine (Ach)
H) gastrin

Answer 10

C) pepsinogen

Question 11

Pancreatic duct cells secrete \_\_\_\_\_\_\_\_.
A) histamine
B) intrinsic factor
C) pepsinogen
D) HCO3-
E) mucus
F) somatostatin
G) Acetylcholine (Ach)
H) gastrin

Answer 11

D) HCO3-

Question 12

Antral endocrine cells secrete \_\_\_\_\_\_.
A) histamine
B) intrinsic factor
C) pepsinogen
D) HCO3-
E) mucus
F) somatostatin
G) Acetylcholine (Ach)
H) gastrin

Answer 12

H) gastrin

Question 13

Parietal cells secrete into blood \_\_\_\_\_\_.
A) histamine
B) intrinsic factor
C) pepsinogen
D) HCO3-
E) mucus
F) somatostatin
G) Acetylcholine (Ach)
H) gastrin

Answer 13

D) HCO3-

Question 14

Parasympathetic (vagus) nerve secretes \_\_\_\_.
A) histamine
B) intrinsic factor
C) pepsinogen
D) HCO3-
E) mucus
F) somatostatin
G) Acetylcholine (Ach)
H) gastrin

Answer 14

G) Ach

Question 15

Stomach surface cells secrete \_\_\_\_\_.
A) histamine
B) intrinsic factor
C) pepsinogen
D) HCO3-
E) mucus
F) somatostatin
G) Acetylcholine (Ach)
H) gastrin

Answer 15

E) mucus

Question 16

What are the two types of diarrhea?

Answer 16

Osmotic and Secretory

Question 17

What roles do paracrines play in digestion?

Answer 17

histamines promote secretion of gastrin

somatostatin inhibits secretion of gastrin

Question 18

What is the function of the migratory motor complex (MMC)?

Answer 18

cleans out the stomach when it is empty

Question 19

Ingesting antacids with and after a meal to maintain gastric pH > 6.0 will cause a greater than normal secretion of \_\_\_\_\_\_\_.
A) nitric oxide (NO)
B) gastrin
C) somatostatin
D) secretin

Answer 19

B) gastrin

Question 20

Dr. Smith has acid reflux following each meal due to elevated secretion of HCl. The most effective means to reduce his symptoms would be to prescribe _______.
A) antacids (TUMS)
B) nonsteroidal anti-inflammatory drugs (NSAID)
C) proton pump inhibitors (NEXIUM)
D) histamine receptor antagonists (TAGAMET)

Answer 20

C) proton pump inhibitors (NEXIUM)

Question 21

During the ingestion of a meal, the primary type of contraction occurring in the esophagus is \_\_\_\_\_\_.
A) segmentation
B) peristalsis
C) tonic contraction
D) migrating myoelectric complex (MMC)

Answer 21

B) peristalsis

Question 22

Vomiting uses primarily:

a. the migrating motor complex (MMC).
b. contraction of respiratory and abdominal skeletal muscles.
c. mass movements.
d. contraction of the inner smooth muscle mass to reverse peristalsis.

Answer 22

b. contraction of respiratory and abdominal skeletal muscles.

Question 23

The mechanism of absorption of glucose into the body is:

a. primary active transport.
b. secondary active transport
c. facilitated diffusion.
d. simple diffusion.

Answer 23

b. secondary active transport

Question 24

The absorption of amino acids from the lumen of the small intestine into the body occurs by:

a. primary active transport.
b. secondary active transport
c. osmosis.
d. simple diffusion. ✘ 0.00

Answer 24

a. primary active transport. ?

Question 25

Fats from the diet cross the intestine epithelial cells to enter the ____ as chylomicrons.

a. lymphatic circulation
b. blood circulation

Answer 25

a. lymphatic circulation

Question 26

The electrical depolarizations that occur rhythmically in the small intestine during the fed state are called:
Your Answer Score Explanation
a. action potentials. ✘ 0.00
b. migrating myoelectric complexes (MMCs).
c. electrical slow waves.
d. mass movements.

Answer 26

d. mass movements. ?

Question 27

Random contractions and relaxations (non-propulsive mixing) that occur in the small intestine in the fed state are called:

a. peristalsis.
b. segmentation contractions.
c. mass movements.
d. migrating myoelectric complexes (MMCs).

Answer 27

b. segmentation contractions.

Question 28

Intrinsic factor secreted by gastric parietal cells is required for absorption of ______ into the body.

a. vitamin A.
b. vitamin B12.
c. vitamin C.
d. vitamin E.

Answer 28

b. vitamin B12.