Question 1

Oxygen in the lungs diffuses from the capillary walls to enter the alveolar walls.

Accepted Answer

A) True 
 B)False

Question 2

Carbonic anhydrase

Accepted Answer

A)  is a digestive enzyme.
B)  is dissolved in plasma.
C)  speeds up the conversion of carbonic acid to carbon dioxide and water.
D)  speeds up the conversion of carbon dioxide to oxygen.
E)  speeds up the conversion of oxyhemoglobin.F) A) and E)
G) A) and D)

Question 3

Most of the carbon dioxide transported in the plasma is in the form of

Accepted Answer

A)  gas bubbles.
B)  oxyhemoglobin.
C)  bicarbonate ions.
D)  carbaminohemoglobin.
E)  carbon monoxide.F) A) and C)
G) A) and E)

Question 4

A lung disease caused by bacteria that become encapsulated is called

Accepted Answer

A)  emphysema.
B)  pneumonia.
C)  rheumatic fever.
D)  tuberculosis.
E)  pulmonary fibrosis.F) A) and D)
G) C) and D)

Question 5

Most respiratory infections are caused by viruses and can successfully be treated with antibiotics.

Accepted Answer

A) True 
 B)False

Question 6

When we are relaxed,only a small amount of air moves in and out with each breath.This is called

Accepted Answer

A)  static volume.
B)  tidal volume.
C)  inspiratory reserve volume.
D)  expiratory reserve volume.
E)  residual volume.F) C) and E)
G) All of the above

Question 7

Why does the surface of the lungs need to be covered with pleura?

Accepted Answer

A)  to allow the exchange of oxygen within the alveoli
B)  to allow the exchange of carbon dioxide within the alveoli
C)  to produce the muscular contractions that expand the lungs
D)  to enable the lungs to slide past the internal chest wall and diaphragm
E)  to prevent the alveoli from collapsing due to pressureF) None of the above
G) A) and B)

Question 8

How does expired air compare with inspired air?

Accepted Answer

A)  Expired air contains less oxygen but more carbon dioxide.
B)  Expired air contains less oxygen and less carbon dioxide.
C)  Expired air contains more oxygen and more carbon dioxide.
D)  Expired air contains more oxygen but less carbon dioxide.
E)  Expired and inspired air contain the same amount of oxygen and carbon dioxide.F) B) and C)
G) C) and E)

Question 9

A short while after a person has died,a "gasp" of air may occur as the lungs collapse.This flow would represent the

Accepted Answer

A)  tidal volume.
B)  expiratory reserve volume.
C)  total lung volume.
D)  vital capacity.
E)  residual volume.F) A) and B)
G) A) and C)

Question 10

You should treat the common cold with antibiotics to shorten the duration of symptoms.

Accepted Answer

A) True 
 B)False

Exam 15: Respiratory System

Most of the carbon dioxide transported in the plasma is in the form of

Correct Answer
verified

Carbonic anhydrase

Correct Answer
verified

Why does the surface of the lungs need to be covered with pleura?

Correct Answer
verified

When we are relaxed,only a small amount of air moves in and out with each breath.This is called

Correct Answer
verified

Oxygen in the lungs diffuses from the capillary walls to enter the alveolar walls.

Correct Answer
verified

How does expired air compare with inspired air?

Correct Answer
verified

Most respiratory infections are caused by viruses and can successfully be treated with antibiotics.

Correct Answer
verified

A lung disease caused by bacteria that become encapsulated is called

Correct Answer
verified

A short while after a person has died,a "gasp" of air may occur as the lungs collapse.This flow would represent the

Correct Answer
verified

You should treat the common cold with antibiotics to shorten the duration of symptoms.

Correct Answer
verified

Exam 15: Respiratory System

Most of the carbon dioxide transported in the plasma is in the form of

Correct AnswerverifiedShow Answer

Carbonic anhydrase

Correct AnswerverifiedShow Answer

Why does the surface of the lungs need to be covered with pleura?

Correct AnswerverifiedShow Answer

When we are relaxed,only a small amount of air moves in and out with each breath.This is called

Correct AnswerverifiedShow Answer

Oxygen in the lungs diffuses from the capillary walls to enter the alveolar walls.

Correct AnswerverifiedShow Answer

How does expired air compare with inspired air?

Correct AnswerverifiedShow Answer

Most respiratory infections are caused by viruses and can successfully be treated with antibiotics.

Correct AnswerverifiedShow Answer

A lung disease caused by bacteria that become encapsulated is called

Correct AnswerverifiedShow Answer

A short while after a person has died,a "gasp" of air may occur as the lungs collapse.This flow would represent the

Correct AnswerverifiedShow Answer

You should treat the common cold with antibiotics to shorten the duration of symptoms.

Correct AnswerverifiedShow Answer

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Correct Answer
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