Question 1

Which of these breakfasts would remain in the stomach the longest?

Accepted Answer

A) toast, orange juice, and coffee 
B) black coffee 
C)  fried eggs, bacon, and hash browns 
D)  bowl of cereal with skim milk

Question 2

Match the digestive secretions, labelled a. through e., to the descriptions. (Options may be used more than once or not at all.)
a.bile salts
b.pepsin(ogen)
c.amylase
d.lipase
e.trypsin(ogen)
-pancreatic enzyme that digests carbohydrate

Accepted Answer

The answer of Match the digestive secretions, labelled a. through...

Question 3

Which of these factors will NOT influence the rate at which a meal will empty from the stomach?

Accepted Answer

A) fat in the duodenum 
B) acid in the duodenum 
C)  caffeine in the duodenum 
D)  hypertonicity of the duodenal contents

Question 4

Glucagon is produced by the liver.

Accepted Answer

A) True 
 B)False

Question 5

Which statement applies to fat-soluble vitamins?

Accepted Answer

A) They are digested by lipases. 
B) They are actively absorbed. 
C)  They are absorbed in micelles. 
D)  They are absorbed through the digestive tract.

Question 6

Fat is absorbed into the lymph in the form of micelles.

Accepted Answer

A) True 
 B)False

Question 7

Which of these statements accurately describes chylomicrons?

Accepted Answer

A) They are aggregations of triglycerides formed within intestinal epithelial cells and covered with a layer of lipoprotein. 
B) They are aggregations of bile salts, monoglycerides, and free fatty acids. 
C)  They are small fat globules held apart by the action of bile salts. 
D)  They are secreted in the succus entericus.

Question 8

Where is digestion completed?

Accepted Answer

A) stomach 
B) on the brush borders of the small intestine epithelial cells 
C)  small intestine lumen 
D)  colon

Question 9

Which of these enzymes is NOT a brush border enzyme?

Accepted Answer

A) enterokinase 
B) aminopeptidase 
C)  lipase 
D)  lactase

Question 10

The primary mixing and propulsive motility of the small intestine is called ____________________.

Accepted Answer

The answer of The primary mixing and propulsive motility of...

Question 11

Match the hormone(s), labelled a. through d., to the descriptions. (Options may be used more than once or not at all.)
a.both secretin and CCK
b.secretin
c.CCK
d.gastrin
-stimulated primarily by the presence of protein

Accepted Answer

The answer of Match the hormone(s), labelled a. through d.,...

Question 12

The pancreas is the primary site of digestive enzyme production.

Accepted Answer

A) True 
 B)False

Question 13

Swallowing propels a bolus of food from the mouth through the pharynx and esophagus and into the stomach via a complex, sequential, multiple-response reflex.

Accepted Answer

A) True 
 B)False

Question 14

Which of these statements does NOT correctly describe gastric mixing?

Accepted Answer

A) It occurs primarily in the body of the stomach. 
B) It occurs as a result of the stomach's contents being tumbled back and forth in the antrum because of vigorous peristaltic contractions. 
C)  It combines the food with gastric secretions to convert it to a finely divided liquid form known as chyme.

Question 15

A(n) ____________________ is an aggregation of bile salts and lecithin.

Accepted Answer

The answer of A(n) ____________________ is an aggregation of bile...

Question 16

Why is the intestinal hormone secretin released by endocrine cells in the duodenal mucosa?

Accepted Answer

A) in response to distention of the stomach 
B) in response to carbohydrate in the duodenum 
C)  in response to acid in the duodenum 
D)  in response to gastrin secreted by the pyloric gland area of the stomach

Question 17

Chyme is produced in the stomach.

Accepted Answer

A) True 
 B)False

Question 18

Match the hormone(s), labelled a. through d., to the descriptions. (Options may be used more than once or not at all.)
a.both secretin and CCK
b.secretin
c.CCK
d.gastrin
-stimulate(s) gallbladder contraction

Accepted Answer

The answer of Match the hormone(s), labelled a. through d.,...

Question 19

Which of the following happens during vomiting?

Accepted Answer

A) The diaphragm contracts. 
B) The thorax contracts 
C)  The stomach contracts. 
D)  Respiration is stimulated.

Question 20

The main motility seen in the small intestine during digestion of a meal is the migrating motility complex.

Accepted Answer

A) True 
 B)False

Exam 14: The Urinary System

Which of these breakfasts would remain in the stomach the longest?

Match the digestive secretions, labelled a. through e., to the descriptions. (Options may be used more than once or not at all.) a.bile salts b.pepsin(ogen) c.amylase d.lipase e.trypsin(ogen) -pancreatic enzyme that digests carbohydrate

Which of these factors will NOT influence the rate at which a meal will empty from the stomach?

Glucagon is produced by the liver.

Which statement applies to fat-soluble vitamins?

Fat is absorbed into the lymph in the form of micelles.

Which of these statements accurately describes chylomicrons?

Where is digestion completed?

Which of these enzymes is NOT a brush border enzyme?

The primary mixing and propulsive motility of the small intestine is called ____________________.

Match the hormone(s), labelled a. through d., to the descriptions. (Options may be used more than once or not at all.) a.both secretin and CCK b.secretin c.CCK d.gastrin -stimulated primarily by the presence of protein

The pancreas is the primary site of digestive enzyme production.

Swallowing propels a bolus of food from the mouth through the pharynx and esophagus and into the stomach via a complex, sequential, multiple-response reflex.

Which of these statements does NOT correctly describe gastric mixing?

A(n) ____________________ is an aggregation of bile salts and lecithin.

Why is the intestinal hormone secretin released by endocrine cells in the duodenal mucosa?

Chyme is produced in the stomach.

Match the hormone(s), labelled a. through d., to the descriptions. (Options may be used more than once or not at all.) a.both secretin and CCK b.secretin c.CCK d.gastrin -stimulate(s) gallbladder contraction

Which of the following happens during vomiting?

The main motility seen in the small intestine during digestion of a meal is the migrating motility complex.