Practice Quiz for
Adapting to High Altitude

No. of Questions= 8
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1 The most severe high altitude stress for humans is usually:
a)  high winds and extreme cold
b)  daily alternating climate extremes
c)  low air pressure
d)  high air pressure
2 Which of the following atmospheric changes occur as you climb higher up a tall mountain?
a) The air pressure goes down, but the percent of the air that is oxygen remains the same.
b) Both the air pressure and the percent of the air that is oxygen go down.
c) The air pressure remains the same but the percent of the air that is oxygen goes down.
3 When someone has physiological problems as a result of oxygen deprivation, they are experiencing:
a) barometric excess
b) hypoxia
c) hyperoxia
4 Common early symptoms of hypoxia at high altitudes include:
a) difficulty with normal levels of physical activity
b) fatigue
c) difficulty in thinking clearly
d) all of the above
5 Which of the following physiological changes are you likely to experience during the first few days at high altitude?
a) decreased pulse rate
b) increased blood pressure
c) increased appetite
d) all of the above
6 Efficient high altitude acclimatization occurs when:
a) the number of red blood cells and capillaries decreases
b) lung expansion capability is reduced
c) both of the above occur
d) none of the above occur
7 Which of the following statements about human populations is true?
a) All are essentially equal in their ability to adjust to high altitude stresses.
b) Some are better adapted to high altitude stresses.
c) The ancestors of those who are best adapted to low air pressure usually have lived at low altitudes for many generations.
d) B and C
8 Which of the following statements is true concerning hypoxia among humans?
a) It usually begins at 1-2 miles altitude.
b) It rarely occurs below 3 miles altitude.
c) Some people regularly live above 5 miles altitude without experiencing hypoxia.



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