Question

23. Which of the following causes of hypoxia
is characterized by a decreased arterial Po,
and an increased A-a gradient?
(A) Hypoventilation
(B) Right-to-left cardiac shunt
(C) Anemia
(D) Carbon monoxide poisoning
(E) Ascent to high altitude​

Answer 1

Answer:

here are various mechanisms of hypoxemia. These are V/Q mismatch, right-to-left shunt, diffusion impairment, hypoventilation, and low inspired PO2