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Which of the Following Is the First Step in Inhalation

Question 44

Multiple Choice

Which of the following is the first step in inhalation?


A) Phrenic nerve stimulation
B) Activation of the NM receptors (neuromuscular junction of the phrenic nerve and diaphragm)
C) Firing of the medullary inspiratory neurons
D) Contraction of the diaphragm

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