Question 1

What is the purpose of the secretions of the serosa?

Accepted Answer

A)  digest carbohydrates
B)  reduce acidity
C)  allow abdominal organs to slide against each other
D)  All of the choices are correct.E) A) and B)
F) B) and D)

Question 2

What is the first section of the large intestine that is a blind sac?

Accepted Answer

A)  ascending colon
B)  cecum
C)  descending colon
D)  rectumE) B) and C)
F) A) and B)

Question 3

The gastrointestinal tract is part of the endocrine system.

Accepted Answer

A) True 
 B)False

Question 4

Niacin is a B-complex vitamin.

Accepted Answer

A) True 
 B)False

Question 5

The final breakdown product of starch is

Accepted Answer

A)  maltose.
B)  peptides.
C)  glucose.
D)  glycerolE) B) and C)
F) A) and D)

Question 6

The failure of older people to consume enough fiber can lead to hemorrhoids and constipation.
The failure of older people to consume enough fiber can lead to diverticulosis and constipation.

Accepted Answer

A) True 
 B)False

Question 7

Where does protein digestion occur?

Accepted Answer

A)  mouth and stomach
B)  stomach and small intestine
C)  stomach and pancreas
D)  mouth and small intestineE) All of the above
F) A) and C)

Question 8

Which of these molecules needs to be emulsified before digestion begins?

Accepted Answer

A)  protein
B)  sugar
C)  fat
D)  All apply.E) C) and D)
F) B) and D)

Question 9

The oral cavity and its anatomical features are responsible for

Accepted Answer

A)  ingestion of food.
B)  mechanical digestion.
C)  swallowing.
D)  All apply.E) A) and B)
F) None of the above

Question 10

The __________ absorbs nutrients.

Accepted Answer

A)  pharynx
B)  esophagus
C)  small intestine
D)  mouthE) A) and B)
F) A) and C)

Question 11

How many layers of smooth muscle are generally found in the muscularis layer of the digestive tract wall?

Accepted Answer

A)  one
B)  two
C)  three
D)  noneE) C) and D)
F) None of the above

Question 12

Peristalsis slows in the elderly.

Accepted Answer

A) True 
 B)False

Question 13

The __________ digests ONLY protein.

Accepted Answer

A)  large intestine
B)  stomach
C)  esophagus
D)  small intestine
E)  mouthF) A) and E)
G) C) and D)

Question 14

The __________ absorbs water and produces some vitamins.

Accepted Answer

A)  large intestine
B)  stomach
C)  esophagus
D)  small intestine
E)  mouthF) A) and B)
G) A) and C)

Question 15

The wisdom teeth are also

Accepted Answer

A)  incisors.
B)  canines.
C)  premolars.
D)  last molars.E) None of the above
F) B) and C)

Question 16

Where does starch (carbohydrate) digestion occur?

Accepted Answer

A)  mouth and stomach
B)  stomach and small intestine
C)  stomach and pancreas
D)  mouth and small intestineE) A) and D)
F) None of the above

Question 17

The condition that occurs when the lower portion of the esophagus protrudes into the thoracic cavity is

Accepted Answer

A)  GERD.
B)  a peptic ulcer.
C)  heart burn.
D)  a hiatal hernia.E) A) and B)
F) A) and C)

Question 18

A circular muscle that acts as a valve is called a

Accepted Answer

A)  diaphragm
B)  epiglottis
C)  sphincter
D)  plicaeE) A) and C)
F) None of the above

Question 19

Which of the following minerals is NOT correctly matched with its major function?

Accepted Answer

A)  calcium - building strong bones and teeth
B)  chloride - aids in acid-base balance
C)  iodine - helps wounds to heal
D)  sodium - needed for nerve impulse transmissionE) All of the above
F) A) and B)

Question 20

A deficiency of folic acid could result in a bleeding disorder.
Folic acid is needed to make hemoglobin and genetic material.

Accepted Answer

A) True 
 B)False

Exam 15: Digestive System

Peristalsis slows in the elderly.

Correct AnswerverifiedShow Answer

What is the first section of the large intestine that is a blind sac?

Correct AnswerverifiedShow Answer

The condition that occurs when the lower portion of the esophagus protrudes into the thoracic cavity is

Correct AnswerverifiedShow Answer

The __________ absorbs nutrients.

Correct AnswerverifiedShow Answer

A deficiency of folic acid could result in a bleeding disorder. Folic acid is needed to make hemoglobin and genetic material.

Correct AnswerverifiedShow Answer

The __________ absorbs water and produces some vitamins.

Correct AnswerverifiedShow Answer

How many layers of smooth muscle are generally found in the muscularis layer of the digestive tract wall?

Correct AnswerverifiedShow Answer

The failure of older people to consume enough fiber can lead to hemorrhoids and constipation. The failure of older people to consume enough fiber can lead to diverticulosis and constipation.

Correct AnswerverifiedShow Answer

Where does protein digestion occur?

Correct AnswerverifiedShow Answer

The wisdom teeth are also

Correct AnswerverifiedShow Answer

Where does starch (carbohydrate) digestion occur?

Correct AnswerverifiedShow Answer

The final breakdown product of starch is

Correct AnswerverifiedShow Answer

The gastrointestinal tract is part of the endocrine system.

Correct AnswerverifiedShow Answer

The __________ digests ONLY protein.

Correct AnswerverifiedShow Answer

The oral cavity and its anatomical features are responsible for

Correct AnswerverifiedShow Answer

Which of these molecules needs to be emulsified before digestion begins?

Correct AnswerverifiedShow Answer

Niacin is a B-complex vitamin.

Correct AnswerverifiedShow Answer

Which of the following minerals is NOT correctly matched with its major function?

Correct AnswerverifiedShow Answer

A circular muscle that acts as a valve is called a

Correct AnswerverifiedShow Answer

What is the purpose of the secretions of the serosa?

Correct AnswerverifiedShow Answer

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