The diaphragm contracts during ___________ and relaxes during ___________.
A) expiration,inspiration
B) inspiration,expiration
Correct Answer:
Verified
Q23: Intrapleural pressure must be _ intrapulmonary pressure
Q26: The diaphragm is
A)a skeletal muscle.
B)the floor of
Q34: Which serous membrane lines the thoracic cavity?
A)visceral
Q35: What portion of the bronchial tree supplies
Q37: What type of tissue forms the mucosa
Q39: What structures enter the lungs?
A)secondary bronchi
B)alveoli
C)primary bronchi
D)trachea
Q40: What force creates the intrapleural pressure between
Q41: Average tidal volume is approximately
A)1500 mL.
B)2900 mL.
C)1000
Q42: What nerve innervates the diaphragm?
A)vagus
B)intercostals
C)phrenic
D)None apply.
Q50: A lack of impulses from the primary
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