The respiratory centers regulate the activities of the respiratory muscles by
A) responding to conscious control during periods of physiological stress only.
B) adjusting the frequency and depth of pulmonary ventilation.
C) acting directly to change heart rate and cardiac output.
D) stimulating the nuclei of the parasympathetic nervous system.
E) None of the answers are correct.
Correct Answer:
Verified
Q37: Each tertiary bronchus leads to one
A)septum.
B)lobe.
C)bronchopulmonary segment.
D)lung.
E)None
Q38: The left lung contains some features the
Q39: The false vocal cords are also called
Q40: The the tertiary bronchi ultimately branch into
Q41: Forced breathing is also called
A)eupnea.
B)dyspnea.
C)hyperpnea.
D)hypopnea.
E)None of the
Q43: Physical factors that facilitate gas exchange in
Q44: The most important skeletal muscles involved in
Q45: The function of surfactant is to
A)phagocytize particulate
Q46: When is costal breathing most likely to
Q47: Sympathetic stimulation of the terminal bronchioles causes
A)bronchodilation.
B)no
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