In which of the following conditions would a ventilation scan be normal but a perfusion scan reveal areas of absent blood flow?

A. lung cancer
B. pulmonary embolism
C. pneumonia
D. emphysema

Ans: B. pulmonary embolism

Health Professions

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What are three components of exit capacity that must be examined?

What will be an ideal response?

Health Professions

Which of the following dimensions of a history of present illness (HPI) refers to actions taken to make the pain or symptom change?

A. Associated signs and symptoms B. Context C. Modifying factors D. Quality

Health Professions