Hypoxemia seen in:: (A) Hypoventilation, (B) Myasthenia gravis, (C) Pulmonary emboli, (D) All of the above
Answer is D. Answer is D (All of the above): The four basic mechanisms of hypoxemia are a decrease in inspired P02 (Decreased Fi02), hypoventilation (as in Myaesthenia gravis), VQ mismatch (as in pulmonary emboli) and shunting.