2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!
EGAN'S TESTBANK CHAPTER 11
QUESTIONS AND CORRECT ANSWERS |
LATEST UPDATE
1. What is the primary function of the lungs?
a. Convert angiotensin I to angiotensin II.
b. Filter pulmonary blood.
c. Gas exchange.
d. Remove carbon monoxide (CO).
✓ -:- Gas exchange.
2. During each cycle of normal resting ventilation, a volume of gas is moved into and out of
the respiratory tract. This cyclical volume is called the:
a. inspiratory reserve volume (IRV).
b. vital capacity (VC).
c. residual volume (RV).
d. tidal volume (VT).
✓ -:- tidal volume (VT).
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3. Which of the following pressures vary throughout the normal breathing cycle?
1. Alveolar pressure (Palv)
2. Body surface pressure (Pbs)
3. Mouth pressure (Pao)
4. Pleural pressure (Ppl)
a. 1, 2, 3, and 4
b. 2, 3, and 4 only
c. 2 and 4 only
d. 1 and 4 only
✓ -:- 1 and 4 only
4. Which of the following pressures normally remains negative (relative to atmospheric
pressure) during quiet breathing?
a. Palv
b. Ppl
c. Pao
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d. Pbs
✓ -:- Ppl
5. Which of the following pressure gradients is responsible for the actual flow of gas into
and out of the lungs during breathing?
a.
Transcanadian pressure gradient (Ppc - Pks)
b.
Transpulmonary pressure gradient (Palv - Ppl)
c.
Transrespiratory pressure gradient (Palv - Pao)
d.
Transthoracic pressure gradient (Ppl - Pbs)
✓ -:- Transrespiratory pressure gradient (Palv - Pao)
6. Which of the following pressure gradients is responsible for maintaining alveolar inflation?
a.
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, 2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!
Transpulmonary pressure gradient (Palv - Ppl)
b.
Transthoracic pressure gradient (Ppl - Pbs)
c.
Transcardiac pressure gradient (Pca - Palv)
d.
Transrespiratory pressure gradient (Palv - Pao)
✓ -:- Transpulmonary pressure gradient (Palv - Ppl)
7. Which of the following statements about alveolar pressure (Palv) during normal quiet
breathing is true?
a.
It is positive during inspiration and negative during expiration.
b.
It is the same as intrapleural pressure (Ppl).
c.
It is negative during inspiration and positive during expiration.
4|P a g e | G r a d e A + | 2 0 2 0 2 5
EGAN'S TESTBANK CHAPTER 11
QUESTIONS AND CORRECT ANSWERS |
LATEST UPDATE
1. What is the primary function of the lungs?
a. Convert angiotensin I to angiotensin II.
b. Filter pulmonary blood.
c. Gas exchange.
d. Remove carbon monoxide (CO).
✓ -:- Gas exchange.
2. During each cycle of normal resting ventilation, a volume of gas is moved into and out of
the respiratory tract. This cyclical volume is called the:
a. inspiratory reserve volume (IRV).
b. vital capacity (VC).
c. residual volume (RV).
d. tidal volume (VT).
✓ -:- tidal volume (VT).
1|P a g e | G r a d e A + | 2 0 2 0 2 5
,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!
3. Which of the following pressures vary throughout the normal breathing cycle?
1. Alveolar pressure (Palv)
2. Body surface pressure (Pbs)
3. Mouth pressure (Pao)
4. Pleural pressure (Ppl)
a. 1, 2, 3, and 4
b. 2, 3, and 4 only
c. 2 and 4 only
d. 1 and 4 only
✓ -:- 1 and 4 only
4. Which of the following pressures normally remains negative (relative to atmospheric
pressure) during quiet breathing?
a. Palv
b. Ppl
c. Pao
2|P a g e | G r a d e A + | 2 0 2 0 2 5
,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!
d. Pbs
✓ -:- Ppl
5. Which of the following pressure gradients is responsible for the actual flow of gas into
and out of the lungs during breathing?
a.
Transcanadian pressure gradient (Ppc - Pks)
b.
Transpulmonary pressure gradient (Palv - Ppl)
c.
Transrespiratory pressure gradient (Palv - Pao)
d.
Transthoracic pressure gradient (Ppl - Pbs)
✓ -:- Transrespiratory pressure gradient (Palv - Pao)
6. Which of the following pressure gradients is responsible for maintaining alveolar inflation?
a.
3|P a g e | G r a d e A + | 2 0 2 0 2 5
, 2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!
Transpulmonary pressure gradient (Palv - Ppl)
b.
Transthoracic pressure gradient (Ppl - Pbs)
c.
Transcardiac pressure gradient (Pca - Palv)
d.
Transrespiratory pressure gradient (Palv - Pao)
✓ -:- Transpulmonary pressure gradient (Palv - Ppl)
7. Which of the following statements about alveolar pressure (Palv) during normal quiet
breathing is true?
a.
It is positive during inspiration and negative during expiration.
b.
It is the same as intrapleural pressure (Ppl).
c.
It is negative during inspiration and positive during expiration.
4|P a g e | G r a d e A + | 2 0 2 0 2 5
