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KIN 609 EXAM 2 2026 LATEST
QUESTIONS AND ANSWERS| ACE
YOUR GRADES.
1. If you have a barometric pressure of 500 mmHg, what would
the PO2 be at this altitude? - correct answer --100 mmHg
2. As you increase altitude, the percentrage of O2 in the air
decreases - correct answer -False
3. What is the normal hemoglobin value for someone living at sea
level - correct answer -15 g/ 100 ml
4. There are several potential diffusion limitations associated with
gas transfer at altitude. At seal level, the red blood cell is fully
oxygenated by ~.2 s when traversing through a pulmonary
capillary. At extreme altitude, the red blood cell is not fully
oxygenated by the time it reaches the end of a capillary. This is
due to: - correct answer -The reduced alveolar PO2 diving
force
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5. Why do we increase ventilation at altitude? - correct answer -
because of the chemoreceptor response to hypoxia (low
arterial PO2)
6. Once you reach an altitude roughly equivalent to that of
Denever, Colorado, when you increase altitude further maximal
VO2 - correct answer -decreases linearly
7. At high altitude, hyperventilation causes respiratory alkalosis
and the body responds with renal compensation by - correct
answer -decreasing bicarbonate
8. The body responds to decrease in pH resulting from metabolic
acidosis (via intense exercise) by: - correct answer -decreasing
PCO2
9. At altitude polycythemia occurs. The increase RBC content is
due to - correct answer -Erythropolesis
10. During exercise, the body responds with hyperventilation in
order to - correct answer -counter the fall in pH
KIN 609 EXAM 2 2026 LATEST
QUESTIONS AND ANSWERS| ACE
YOUR GRADES.
1. If you have a barometric pressure of 500 mmHg, what would
the PO2 be at this altitude? - correct answer --100 mmHg
2. As you increase altitude, the percentrage of O2 in the air
decreases - correct answer -False
3. What is the normal hemoglobin value for someone living at sea
level - correct answer -15 g/ 100 ml
4. There are several potential diffusion limitations associated with
gas transfer at altitude. At seal level, the red blood cell is fully
oxygenated by ~.2 s when traversing through a pulmonary
capillary. At extreme altitude, the red blood cell is not fully
oxygenated by the time it reaches the end of a capillary. This is
due to: - correct answer -The reduced alveolar PO2 diving
force
, Page | 2
5. Why do we increase ventilation at altitude? - correct answer -
because of the chemoreceptor response to hypoxia (low
arterial PO2)
6. Once you reach an altitude roughly equivalent to that of
Denever, Colorado, when you increase altitude further maximal
VO2 - correct answer -decreases linearly
7. At high altitude, hyperventilation causes respiratory alkalosis
and the body responds with renal compensation by - correct
answer -decreasing bicarbonate
8. The body responds to decrease in pH resulting from metabolic
acidosis (via intense exercise) by: - correct answer -decreasing
PCO2
9. At altitude polycythemia occurs. The increase RBC content is
due to - correct answer -Erythropolesis
10. During exercise, the body responds with hyperventilation in
order to - correct answer -counter the fall in pH
