Question 1

Pancreatic digestive secretions are regulated by

Accepted Answer

A)   bile salts.
B)   cholesterol.
C)   cholecystokinin.
D)   the amount of food eaten.E) A) and D)
F) C) and D) C

Question 2

A set of primary teeth consists of 20 teeth, whereas a set of secondary teeth consists of 32 teeth.

Accepted Answer

A) True 
 B)False

Question 3

________ pick up cholesterol from the peripheral tissues and return it to the liver.

Accepted Answer

A)   VLDLs
B)   LDLs
C)   HDLs
D)   TriglyceridesE) A) and B)
F) B) and C)

Question 4

All of the enzymes that digest protein are

Accepted Answer

A)   secreted by the pancreas.
B)   activated by HCl.
C)   secreted in an inactive form.
D)   stimulated by enterokinase.E) C) and D)
F) A) and D)

Question 5

Changes in the mouth associated with aging include

Accepted Answer

A)   overgrowth of gums.
B)   thinning enamel.
C)   thinning cementum.
D)   shrinking dentin.E) B) and C)
F) B) and D)

Question 6

The liver

Accepted Answer

A)   forms glucose from noncarbohydrates.
B)   stores vitamin C.
C)   produces red blood cells.
D)   secretes chymotrypsin.E) B) and C)
F) A) and D)

Question 7

Which of the following is the correct sequence for the digestion and absorption of lipids? 1. Formation of chylomicrons
2)  Emulsification by bile
3)  Dissolved in the epithelial cell membrane
4)  Hydrolysis by pancreatic lipase
5)  Movement into lacteal ducts

Accepted Answer

A)   4, 3, 2, 1, 5
B)   2, 4, 3, 1, 5
C)   2, 1, 4, 3, 5
D)   3, 2, 4, 5, 1E) A) and B)
F) B) and C)

Question 8

The root canal of a tooth contains

Accepted Answer

A)   dentin.
B)   cementum.
C)   gingiva.
D)   blood vessels and nerves.E) B) and D)
F) All of the above

Question 9

During the defecation reflex, the

Accepted Answer

A)   diaphragm is lowered.
B)   glottis is opened.
C)   abdominal wall muscles relax.
D)   internal abdominal pressure is decreased.E) A) and B)
F) A) and C)

Question 10

The common hepatic duct and the cystic duct unite to form the

Accepted Answer

A)   common bile duct.
B)   hepatic duct.
C)   hepatopancreatic duct.
D)   pancreatic duct.E) None of the above
F) B) and C)

Question 11

It is good that Emily does not remember being a newborn, because she was miserable, vomiting frequently. An X-ray revealed hypertrophic pyloric stenosis. The problem in Emily's digestive system, before surgery helped her, was

Accepted Answer

A)   an extra stomach.
B)   overgrowth of muscle that blocked the passageway from the stomach to the small intestine.
C)   absence of the pyloris.
D)   a peptic ulcer.E) A) and B)
F) A) and C)

Question 12

Salivary amylase digests

Accepted Answer

A)   carbohydrates.
B)   proteins.
C)   fats.
D)   vitamins.E) None of the above
F) A) and B)

Question 13

VLDL molecules are produced in which organ?

Accepted Answer

A)   Pancreas
B)   Liver
C)   Kidneys
D)   StomachE) A) and B)
F) C) and D) B

Question 14

Chylomicrons transport dietary fats to ___________ through the blood.

Accepted Answer

A)   bones and cartilage
B)   neurons and neuroglia
C)   the liver and gallbladder
D)   muscle and adipose cellsE) B) and C)
F) A) and D)

Question 15

Elliot thought that his peptic ulcers were caused by his nagging parents, and was surprised when the doctor handed him a prescription for medication to treat

Accepted Answer

A)   a bacterial infection.
B)   a viral infection.
C)   a too high pH.
D)   excess bile.E) B) and C)
F) B) and D)

Question 16

The esophagus passes through an opening in the diaphragm called the esophageal ______.

Accepted Answer

hiatus

Question 17

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 18

Bile is composed of HCl, pepsin, mucus, and intrinsic factor.

Accepted Answer

A) True 
 B)False

Question 19

Which constituent of bile has a digestive function?

Accepted Answer

A)   Bile salts
B)   Bile pigments
C)   Cholesterol
D)   ElectrolytesE) A) and B)
F) All of the above

Question 20

The movement of chyme through the small intestine is increased by parasympathetic impulses and is inhibited by sympathetic impulses.

Accepted Answer

A) True 
 B)False

Exam 17: Digestive System

Pancreatic digestive secretions are regulated by

Correct AnswerverifiedC

A set of primary teeth consists of 20 teeth, whereas a set of secondary teeth consists of 32 teeth.

Correct AnswerverifiedShow Answer

________ pick up cholesterol from the peripheral tissues and return it to the liver.

Correct AnswerverifiedShow Answer

All of the enzymes that digest protein are

Correct AnswerverifiedShow Answer

Changes in the mouth associated with aging include

Correct AnswerverifiedShow Answer

The liver

Correct AnswerverifiedShow Answer

Which of the following is the correct sequence for the digestion and absorption of lipids? 1. Formation of chylomicrons 2) Emulsification by bile 3) Dissolved in the epithelial cell membrane 4) Hydrolysis by pancreatic lipase 5) Movement into lacteal ducts

Correct AnswerverifiedShow Answer

The root canal of a tooth contains

Correct AnswerverifiedShow Answer

During the defecation reflex, the

Correct AnswerverifiedShow Answer

The common hepatic duct and the cystic duct unite to form the

Correct AnswerverifiedShow Answer

It is good that Emily does not remember being a newborn, because she was miserable, vomiting frequently. An X-ray revealed hypertrophic pyloric stenosis. The problem in Emily's digestive system, before surgery helped her, was

Correct AnswerverifiedShow Answer

Salivary amylase digests

Correct AnswerverifiedShow Answer

VLDL molecules are produced in which organ?

Correct AnswerverifiedB

Chylomicrons transport dietary fats to ___________ through the blood.

Correct AnswerverifiedShow Answer

Elliot thought that his peptic ulcers were caused by his nagging parents, and was surprised when the doctor handed him a prescription for medication to treat

Correct AnswerverifiedShow Answer

The esophagus passes through an opening in the diaphragm called the esophageal ______.

Correct Answerverifiedhiatus

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

Bile is composed of HCl, pepsin, mucus, and intrinsic factor.

Correct AnswerverifiedShow Answer

Which constituent of bile has a digestive function?

Correct AnswerverifiedShow Answer

The movement of chyme through the small intestine is increased by parasympathetic impulses and is inhibited by sympathetic impulses.

Correct AnswerverifiedShow Answer

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C

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B

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hiatus

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