Summary Of Adaptation To High Altitude Flashcards
1
Q
Alveolar PO2
A
Decreased (resulting from decrease in barometric pressure)
2
Q
Arterial PO2
A
Decreased (hypoxemia)
3
Q
Arterial pH
A
Increased (respiratory alkalosis)
4
Q
Hemoglobin concentration
A
Increased (increased EPO)
5
Q
2,3DPG concentration
A
Increased
6
Q
Hgb-O2 curve
A
Shift to the right (decreased affinity; increased P50)
7
Q
Pulmonary vasucular resistance
A
Increased (hypoxic vasoconstriction)