A
healthy 30-year-old man changed his work and moved to a remote
mountain village at an elevation of 18,000 feet for a while. So he
have become acclimate to high altitudes with adequate oxygen delivery
to the tissues at rest, because of ( )
: ( )
A．An
increase in hemoglobin concentration B．His
normal arterial PO2 C．A
decrease in the amount of tissue capillaries D．The
presence of his acidosis E．An
decrease in arterial PCO2
