Respuesta :
The best set of changes that describe a native mountain dweller is B. Hematocrit - increases; Arterial O2 Content- decreases; Arterial PO2-decreases.
Hematocrit is the percentage of red blood cells in your blood as determined by volume. Blood is made up of plasma, which also contains white blood cells, platelets, and red blood cells. Together, they account up around 45% of the total volume of human blood, however the precise ratios of each component may vary. The arterial oxygen content is the sum of the oxygen dissolved in arterial blood and the oxygen bound to hemoglobin. How much dissolved oxygen gas is present in the blood is determined by the partial pressure of oxygen, or PO2. In essence, it evaluates how efficiently the lungs can transport oxygen into the blood.
Note that the full question is:
Which set of changes best describes a native mountain dweller living in the Himalayas, compared with a sea-level native living at sea level?
Hematocrit; Arterial O2 Content; Arterial PO2;
- Decreased; No difference Decreased;
- Increased; Decreased; Decreased
- Increased; No difference; Decreased
- Increased; No difference; Decreased
- Increased; No difference; Increased
To learn more about oxygen levels: https://brainly.com/question/22649221
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