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Questions and Answers
What is the physiological response to arterial hypoxia at high altitudes?
What is the physiological response to arterial hypoxia at high altitudes?
- Increased renal bicarbonate (HCO3-) excretion (correct)
- Decreased respiratory rate
- Decreased erythropoietin production
- Decreased mitochondrial density in a muscle biopsy
Which of the following indices would be expected to be higher in the man living at sea level?
Which of the following indices would be expected to be higher in the man living at sea level?
- Mitochondrial density in a muscle biopsy
- Renal bicarbonate (HCO3-) excretion
- Diameter of pulmonary vessels (correct)
- Erythropoietin production
What causes an increase in hematocrit in people living at high altitude?
What causes an increase in hematocrit in people living at high altitude?
- Increased respiratory rate
- Increased mitochondrial density in a muscle biopsy (correct)
- Decreased erythropoietin production
- Increased renal bicarbonate (HCO3-) excretion
What is the effect of chronic exposure to hypoxemia caused by living at high altitude on mitochondrial density?
What is the effect of chronic exposure to hypoxemia caused by living at high altitude on mitochondrial density?
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What is the impact of living at high altitude on pulmonary vessels?
What is the impact of living at high altitude on pulmonary vessels?
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