Pay And Download the Complete Chapter Questions And Answers
$2.50
Chapter 27 Physiology of the Respiratory System
Complete chapter Questions And Answers
Sample Questions
TRUE/F ALSE
1. The major factor that determines the movement of air into or out of the lungs is a pressure gradient.
ANS: T DIF: Memorization REF: Page 824 TOP: Mechanisms of Pulmonary Ventilation
2. A primary function of the respiratory system is to supply tissue with adequate oxygen and to remove carbon dioxide.
ANS: T DIF: Memorization REF: Page 824 TOP: Introduction
3. For air to remain in the lungs, the pressure in the lungs must be equal to or less than atmospheric pressure.
ANS: T DIF: Memorization TOP: Mechanisms of Pulmonary Ventilation
4. Standard atmospheric pressure is usually about 760 mm Hg.
phenomenon called elastic recoil.
ANS: T DIF: Memorization REF: Page 831
TOP: Expiration
6. The inspiratory capacity is equal to the sum of the tidal volume and the inspiratory reserve volume.
ANS: T DIF: Memorization REF: Page 834 TOP: Pulmonary Capacities
7. The amount of air that could be forcibly expired after normal expiration is called the functional residual capacity.
REF: Page 824
REF: Page 824
5. The tendency of the lungs and thorax to return to their preinspiration volume is a physical
ANS: T DIF: Memorization TOP: Mechanism of Pulmonary Ventilation
Mosby items and derived items © 2013, 2010, 2007, 2003 by Mosby, Inc., an affiliate of Elsevier Inc.
Test Bank 27A-2
ANS: F DIF: Memorization REF: Page 834 TOP: Pulmonary Volumes
MULTIPLE CHOICE
1. Which of the following is not a regulated process associated with the functioning of the respiratory system?
c. Control of cell metabolism rate d. Pulmonary ventilation
ANS: C DIF: Memorization TOP: Respiratory Physiology
2. Standard atmospheric pressure is _____ mm Hg. a. 650
b. 700 c. 760 d. 800
ANS: C DIF: Memorization TOP: Mechanisms of Pulmonary Ventilation
REF: Page 824
REF: Page 824
3. Boyle law states that the volume of a gas varies _____ with pressure at a _____ temperature.
ANS: B DIF: Memorization TOP: Mechanisms of Pulmonary Ventilation
4. Which muscles are used for forced expiration?
ANS: D DIF: Memorization TOP: Mechanisms of Pulmonary Ventilation
REF: Page 826
REF: Page 831
Mosby items and derived items © 2013, 2010, 2007, 2003 by Mosby, Inc., an affiliate of Elsevier Inc.
Test Bank
27B-2
5. When the pressure in the lung is greater than atmospheric pressure:
ANS: B DIF: Application REF: Page 824 TOP: Mechanisms of Pulmonary Ventilation
6. The vital capacity is equal to the sum of the:
ANS: B DIF: Memorization REF: Page 834 TOP: Pulmonary Capacities
7. The term used to describe the volume of air exchanged during normal inspiration and expiration is:
ANS: C DIF: Memorization TOP: Pulmonary Capacities
8. During inspiration, the expansion of the lungs causes:
REF: Page 834
d. an increase in intrathoracic pressure from about –6 to –4 mm Hg.
ANS: C DIF: Memorization REF: Page 826
TOP: Mechanisms of Pulmonary Ventilation
There are no reviews yet.