What is the effect of phrenic nerve stimulation?
A) Expiration
B) Relaxation of the diaphragm and the intercostals
C) Inhalation
D) A decrease in chest diameter
Correct Answer:
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Q48: Which respiratory structure is distal to the
Q49: Atelectasis
A)decreases the surface area for gas exchange.
B)causes
Q50: In reference to a normally expanded lung,the
A)intrapulmonic
Q51: The epiglottis
A)is innervated by the phrenic nerve.
B)prevents
Q52: Which substance greatly reduces the attractive forces
Q54: Across which structure(s) does most gas exchange
Q55: Laryngospasm is most likely to cause
A)emphysema.
B)pneumothorax.
C)acute respiratory
Q56: The central chemoreceptors are primarily sensitive to
Q57: Which event occurs first?
A)The diaphragm contracts.
B)Air moves
Q58: The phrenic nerve fires.Which event occurs next?
A)The
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