61. Whose law explains why a gas will move from : 1380568.
61. Whose law explains why a gas will move from one area to another area?
A. Dalton’s Law
B. Henry’s Law
C. Charles Law
D. Boyle’s Law
62. Contraction of respiratory muscles are responsible for the movement of air out of the lungs in quiet expiration.
FALSE
63. What factors are responsible for the decrease in the volume of the alveoli?
A. compliance and lung recoil
B. lung recoil and surface tension of water
C. compliance and surface tension of water
D. perfusion and lung recoil
64. In which of the following situations is compliance greatest?
A. collapse of the alveoli
B. airway obstruction
C. emphysema
D. pulmonary fibrosis
E. pulmonary edema
65. Which of the following individuals will have the highest vital capacity?
A. a well-trained athlete (male or female)
B. a middle-aged, short female
C. an 80-year-old male
D. a young, obese male
E. an adult female
66. Mr. Huff and Puff exhales normally; then, using forced expiration, he exhales as much air as possible. The volume of air still remaining in his lungs is called
A. expiratory reserve volume.
B. tidal volume.
C. inspiratory reserve volume.
D. vital capacity.
E. residual volume.
67. The volume of air available for gas exchange per minute is called the
A. vital capacity.
B. alveolar ventilation.
C. minute respiratory volume.
D. functional residual capacity.
E. respiratory rate.
68. Physiological dead air space is anatomic dead space plus
A. the residual volume.
B. the volume of any alveoli where gas exchange is diminished.
C. the volume of blood flowing to the lungs.
D. the respiration rate.
E. tidal volume.
69. Calculate the alveolar ventilation if the tidal volume is 500 ml., the respiratory rate is 12/minute, and the anatomical dead space is 100 ml.
A. 1200 ml
B. 1800 ml
C. 4800 ml
D. 6000 ml
E. 7200 ml
70. The volume of air inspired or expired with each breath is the
A. residual volume.
B. inspiratory reserve volume.
C. tidal volume.
D. expiratory reserve volume.
