A patient complains of early fatigue and intolerance even during mild exercise. However, he has normal partial pressures of oxygen and CO2 in his systemic arterial blood. Her FEV1 = 4 and FVC = 5 liters. Which one of the following might better describe his situation:

Question

Answer

He has severe asthma.

Answer

He has severe chronic bronchitis.

Answer

He has a very low concentration of haemoglobin in his blood.

Answer

He has severe problem with diffusion of O2 and CO2 across the respiratory membranes.

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A patient complains of early fatigue and intolerance even during mild exercise. ...

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