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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