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Physiology

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Respiration

Question
10 out of 33
 

During acclimatization to high altitude all of the following take place except:



A Increase in minute ventilation

B Increase in the sensitivity of central chemoreceptors

C Increase in the sensitivity of carotid body to hypoxia

D Shift in the oxygen dissociation curve to the left

Ans. D Shift in the oxygen dissociation curve to the left

Ascent to high attitude triggers a substantial rise in 2,3-DPG concn in RBC, with a consequent increase in P50 and increase in availability of O2 to tissues (O2 dissociation curve shift to right).

Right shifting of O2, dissociation curve Q

a. Temperature

b. H+ conc ( pH value)

c. 2, 3 – DPG

d. CO2

e. Exercise

f. High altitudes

g. Hypoxia

Respiration Flashcard List

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