Respirations That Are Characterized by Alternating Periods of Deep and Shallow

question 9

Multiple Choice

Respirations that are characterized by alternating periods of deep and shallow breathing are a result of which respiratory mechanism?

• A) Decreased blood flow to the medulla oblongata
• B) Increased partial pressure of arterial carbon dioxide (PaCO2), decreased pH, and decreased partial pressure of arterial oxygen (PaO2)
• C) Stimulation of stretch or J-receptors
• D) Fatigue of the intercostal muscles and diaphragm

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