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in Psychology by (71.1k points)

Respiratory disease can limit exercise by halving the 

A. Vital capacity. 

B. Airway conductance. 

C. Body’s resting oxygen consumption. 

D. Oxygen-carrying capacity of the blood. 

E. Rate of pulmonary blood flow.

1 Answer

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Best answer

A. True This may occur in severe obstructive or restrictive disease. 

B. True This may occur in obstructive disease such as asthma. 

C. False Unless resting oxygen requirements are met, death results immediately. 

D. False The oxygen carrying capacity of blood often rises in respiratory disease because of polycythaemia; desaturation of hemoglobin is the usual cause of hypoxia in respiratory disease. 

E. False Pulmonary blood flow equals cardiac output, which tends to rise in respiratory disease.

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