Question 1

Inability of the pyloric sphincter to open would prevent

Accepted Answer

A)   food from entering the stomach.
B)   stomach acid from being released.
C)   digestive enzymes from being released.
D)   food from entering the small intestine.
E)   the making of chyme.F) B) and C)
G) C) and E)

Question 2

The gallbladder

Accepted Answer

A)   produces bile.
B)   is attached to the pancreas.
C)   stores bile.
D)   produces secretin.
E)   breaks down red blood cells.F) A) and B)
G) A) and C)

Question 3

Bile

Accepted Answer

A)   digests proteins in the small intestine.
B)   emulsifies fats in the small intestine.
C)   is made by the gallbladder and stored by the liver.
D)   activates trypsin in the small intestine.
E)   activates the pancreas.F) None of the above
G) A) and C)

Question 4

In comparison to a low-density lipoprotein (LDL) , a high density lipoprotein (HDL)  contains

Accepted Answer

A)   less lipid.
B)   less protein.
C)   more cholesterol.
D)   more carbohydrate.
E)   more amino acids.F) A) and B)
G) C) and D)

Question 5

Bile would flow directly from the

Accepted Answer

A)   gallbladder into the hepatic duct.
B)   hepatic ducts into the common hepatic duct.
C)   bile canaliculus into the cystic duct.
D)   common bile duct into the gallbladder.
E)   cystic duct into the hepatic ducts.F) A) and E)
G) C) and E)

Question 6

Serum cholesterol levels are solely dependent on a person's dietary intake of cholesterol.

Accepted Answer

A) True 
 B)False

Question 7

Match the disorder with the best description.
-halitosis

Accepted Answer

A)  inflammation of the liver
B)  watery feces
C)  bad breath
D)  enlargement or inflammation of the vein of the anal canal
E)  chronic acid in the esophagusF) D) and E)
G) A) and B)

Question 8

Use the key to choose the best answer.
-(1)  number of villi in small intestine;
(2)  number of villi in large intestine

Accepted Answer

A)  Choose this if the first item is greater than the second item.
B)  Choose this if the first item is less than the second item.
C)  Choose this if the first item is equal or nearly equal to the second item.D) None of the above
E) A) and B)

Question 9

Which of the following statements regarding swallowing is true?

Accepted Answer

A)   The voluntary phase begins in the pharynx.
B)   In the pharyngeal phase, food is moved through the pharynx.
C)   The uvula rises during the esophageal phase.
D)   Peristalsis occurs in all phases of swallowing.
E)   Breathing occurs during swallowing.F) A) and C)
G) A) and E)

Question 10

Which of the following is located closest to the rectum?

Accepted Answer

A)   ascending colon
B)   descending colon
C)   transverse colon
D)   sigmoid colon
E)   cecumF) A) and E)
G) B) and E)

Question 11

Where is the uvula located?

Accepted Answer

A)   on the hard palate
B)   hanging in the fauces
C)   lateral walls of the fauces
D)   under the tongueE) A) and B)
F) A) and D)

Question 12

Match the function with its appropriate description.
-peristalsis

Accepted Answer

A)  movement of molecules from digestive tract into blood
B)  chewing of food
C)  muscular contractions that propel food
D)  removal of undigested wastes from body
E)  breakdown of organic molecules with digestive enzymesF) C) and E)
G) C) and D)

Question 13

Gastritis, peptic ulcers and gastric cancer can all be caused by

Accepted Answer

A)   Helicobacter pylori, a bacterium.
B)   increased secretion of gastric bicarbonate.
C)   pH of the stomach contents continuously greater than 4.
D)   increased mucus production by the neck cells.
E)   None of these choices is correct.F) A) and C)
G) None of the above

Question 14

Which of the following events occurs because of the low pH of the stomach?

Accepted Answer

A)   activation of salivary amylase
B)   enhanced carbohydrate digestion
C)   proper environment for functioning of pepsin
D)   protein synthesis
E)   lipid digestionF) B) and E)
G) A) and D)

Question 15

-What does "E" represent on the diagram?

Accepted Answer

A)   small intestine
B)   large intestine
C)   esophagus
D)   stomach
E)   liverF) A) and B)
G) All of the above

Question 16

Match the process or term with the best description.
-bolus

Accepted Answer

A)  swallowing
B)  chewing
C)  ball of food
D)  semifluid material
E)  phagocytosisF) All of the above
G) C) and E)

Question 17

How does the muscularis layer of the esophagus differ from the rest of the digestive tract?

Accepted Answer

A)   it is all skeletal muscle
B)   the superior part is skeletal muscle
C)   the inferior part is skeletal muscle
D)   it has alternating smooth and skeletal muscle sectionsE) All of the above
F) A) and D)

Question 18

Small droplets of digested lipids surrounded by bile salts are called

Accepted Answer

A)   chylomicrons.
B)   micelles.
C)   monoglycerides.
D)   diglycerides.
E)   lacteals.F) None of the above
G) B) and E)

Question 19

Which of the following statements concerning cholecystokinin is correct?

Accepted Answer

A)   Cholecystokinin stimulates relaxation of the gallbladder.
B)   Cholecystokinin stimulates secretion of mucus by the gastric glands.
C)   Cholecystokinin stimulates the pancreas to release an enzyme-rich solution.
D)   Cholecystokinin stimulates the intestine to secrete trypsin.
E)   Cholecystokinin stimulates gastric secretions.F) A) and B)
G) All of the above

Question 20

A cell needs a receptor in order to absorb LDL's. A disease that interferes with the functioning of these LDL receptors would

Accepted Answer

A)   increase serum cholesterol levels.
B)   decrease serum cholesterol levels.
C)   halt endocytosis.
D)   promote endocytosis.
E)   have no effect on serum cholesterol or endocytosis.F) A) and D)
G) A) and E)

Exam 24: Digestive System

Match the disorder with the best description. -halitosis

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Match the process or term with the best description. -bolus

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-What does "E" represent on the diagram?

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Use the key to choose the best answer. -(1) number of villi in small intestine; (2) number of villi in large intestine

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Which of the following statements regarding swallowing is true?

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Gastritis, peptic ulcers and gastric cancer can all be caused by

Correct AnswerverifiedShow Answer

Serum cholesterol levels are solely dependent on a person's dietary intake of cholesterol.

Correct AnswerverifiedShow Answer

Where is the uvula located?

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Inability of the pyloric sphincter to open would prevent

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Bile would flow directly from the

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A cell needs a receptor in order to absorb LDL's. A disease that interferes with the functioning of these LDL receptors would

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Which of the following is located closest to the rectum?

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Match the function with its appropriate description. -peristalsis

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Which of the following statements concerning cholecystokinin is correct?

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In comparison to a low-density lipoprotein (LDL) , a high density lipoprotein (HDL) contains

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Small droplets of digested lipids surrounded by bile salts are called

Correct AnswerverifiedShow Answer

The gallbladder

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How does the muscularis layer of the esophagus differ from the rest of the digestive tract?

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Bile

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Which of the following events occurs because of the low pH of the stomach?

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