Chapter 35 Respiratory System

MULTIPLE CHOICE

1. When the nurse assesses the function that provides the body with a means of gas exchange, it includes an evaluation of:
a.
diffusion
c.
respiration
b.
perfusion
d.
ventilation

ANS: C
The function that provides the body with a means of gas exchange is respiration.

PTS: 1 DIF: Comprehension REF: White (2010)

2. What is the name of the transparent membrane covering the lungs?
a.
alveolar capillary membrane
c.
pleura
b.
pericardium
d.
viscera

ANS: C
The pleura is the transparent membrane covering the lungs.

PTS: 1 DIF: Knowledge REF: White (2010)

3. Which of these statements about the pressure within the pleural space is TRUE?
a.
It is always changing to compensate for inhalation or exhalation.
b.
It is greater than outside air.
c.
It is less than outside air.
d.
It is the same as atmospheric pressure.

ANS: C
The pressure of the pleural space is less than the pressure of outside air.

PTS: 1 DIF: Comprehension REF: White (2010)

4. What is the result of the difference between the pressure within the pleural space and the pressure of the outside air?
a.
It allows the lungs to push oxygen out into the bloodstream.
b.
It prevents the lungs from collapsing on exhalation.
c.
It pulls air into the pleural space.
d.
It pushes air from the pleural cavity into the lungs.

ANS: B
The pressure of the pleural space has less than the pressure of outside air, which prevents the lungs from collapsing on exhalation.

PTS: 1 DIF: Comprehension REF: White (2010)

5. Which of these routes delivers blood to the alveoli for gas exchange?
a.
alveolar
c.
pleural
b.
bronchial
d.
pulmonary

ANS: D
Blood is returned in the pulmonary system to the alveoli for gas exchange.

PTS: 1 DIF: Comprehension REF: White (2010)