ESS 345 HOMEWORK 4 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++
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ESS 345
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ESS 345
ESS 345 HOMEWORK 4 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++
Which of these conditions has the highest chance of happening at altitude?
a. problem evaporating sweat
b. sunburn
c. uncomfortably high humidity
sunburn
During the early phase of altitude exposure, muscle oxyg...
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ESS 345 HOMEWORK 4 EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS GRADED A++
Which of these conditions has the highest chance of happening at altitude?
a. problem evaporating sweat
b. sunburn
c. uncomfortably high humidity
sunburn
During the early phase of altitude exposure, muscle oxygen exchange is
diminished due to
a. lower arterial PO2
b. higher venous PO2
c. increased hemoglobin saturation
d. enhanced muscle oxidative enzyme activity
lower arterial PO2
During acute altitude exposures, cardiac output increases due to
a. increased heart rate
b. increased stroke volume
c. increased end-diastolic volume
d. decreased end-systolic volume
increased heart rate
, Within hours of reaching altitude, red blood cell concentration increases due to
a. increased EPO secretion
b. increased red blood cell production
c. decreased plasma volume
d. decreased red blood cell destruction
increased EPO secretion
Which track athlete would most likely excel in competition in Denver, Colorado
(elevation 1,610 m)?
a. 1,500 m runner
b. 800 m runner
c. 10,000 m runner
d. 3,000 m runner
800m runner
The two (2) factors that account for an increase in the blood's oxygen-carrying
capacity during altitude exposure are
a. an initial decrease in plasma volume followed by a decrease in erythrocytes
and hemoglobin synthesis
b. an initial increase in plasma volume followed by a decrease in erythrocytes and
hemoglobin synthesis
c. an initial increase in plasma volume followed by an increase in erythrocytes
and hemoglobin synthesis
d. an initial decrease in plasma volume followed by an increase in erythrocytes
and hemoglobin synthesis
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