41) Which of the following defined as the absorption of : 1200354.
41) Which of the following is defined as the absorption of oxygen and the release of carbon dioxide by cells?
A) hypoxia
B) external respiration
C) anoxia
D) pulmonary ventilation
E) internal respiration
42) The condition of low tissue oxygen levels is known as ________.
A) cystic fibrosis
B) hypoxia
C) hyperventilation
D) pneumothorax
E) anoxia
43) The force that causes air to move into the lungs during inspiration is supplied by
A) the pterygoids.
B) the abdominal muscles.
C) internal intercostal muscles.
D) atmospheric pressure.
E) the digastric muscles.
44) Contraction of which muscle normally accounts for around 75% of the air movement in normal quiet breathing?
A) diaphragm
B) rectus abdominis
C) internal intercostals
D) external intercostals
E) internal obliques
45) When at rest, the amount of air that enters and leaves the lungs in a normal respiratory cycle is the
A) total lung capacity.
B) vital capacity.
C) tidal volume.
D) residual volume.
E) inspiratory volume.
46) Which of the following is defined as the maximum amount of air that can be moved into and out of the respiratory system in a single respiratory cycle?
A) vital capacity
B) inspiratory reserve volume
C) tidal volume
D) expiratory reserve volume
E) residual volume
47) Forced breathing during exhalation involves contraction of the internal intercostal muscles and the
A) scalenes.
B) diaphragm.
C) abdominal muscles.
D) external intercostals.
E) serratus anterior.
48) Which is defined as the amount of air that remains in the lungs after a maximum exhalation?
A) minimal volume
B) inspiratory reserve volume
C) vital capacity
D) expiratory reserve volume
E) residual volume
49) The inspiratory reserve volume (IRV) of males averages
A) 500 ml.
B) 1200 ml.
C) 1900 ml.
D) 3300 ml.
E) 5500 ml.
50) In quiet breathing,
A) inspiration and expiration involve muscular contractions.
B) inspiration is passive and expiration involves muscular contractions.
C) inspiration involves muscular contractions and expiration is passive.
D) inspiration and expiration are both passive processes.
E) only the diaphragm is active during inhalation.
41) Which of the following defined as the absorption of : 1200354
