During acclimatization to high altitude all of the following take place except
High-Yield Explanation
At high altitude there can be acute changes and changes due to acclimatization.
Acute mountain sickness
Dyspnoea, dizziness, tiredness, tachycardia, palpitation, nausea, vomiting etc.
At higher altitudes- pulmonary edema and cerebral edema may occur.
Acclimatization changes
Hyperventilation leading to respiratory alkalosis
Increased 2,3DPG- Hb-O2 dissociation curve shifts to right.
Increased erythropoietin leading to absolute polycythemia
Increased renal excretion of bicarbonate
Increased tissue vascularity
Increased oxidative metabolism
Increased diffusion capacity of lung
Increased myoglobin