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in Psychology by (71.1k points)

Hypoxia in 

A. Exercising muscle decreases the rate of lactate formation. 

B. Life at high altitudes leads to a respiratory acidosis. 

C. Patients with cardiac failure is of the hypoxic variety.

D. Patients with asthma is alleviated by treatment with adrenoceptor B blocking drugs. 

E. Smokers is due partly to carboxy hemoglobin formation in blood.

1 Answer

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A. False Lack of oxygen leads to anaerobic glycolysis and increases lactic acid formation. 

B. False It stimulates ventilation and leads to a respiratory alkalosis. 

C. False It is ‘stagnant’ hypoxia due to inadequate tissue blood flow. 

D. False But beta-receptor stimulation leads to relaxation of airway smooth muscle and should relieve hypoxia when caused by asthma. 

E. True Due to the carbon monoxide content of the smoke.

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