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6517 Physiology

A patient with long standing, progressive congestive hea failure dies in respiratory distress. The lungs at autopsy are 3 times their normal weight. Histologically, the alveoli show a proteinaceous granular precipitate, enlarged alveolar capillaries, and hemosiderin-laden macrophages. Other inflammatory cells are inapparent. Which of the following is the most likely diagnosis?

ACandida pneumonia
BPneumococcal pneumonia
CPneumocystis pneumonia
DPulmonary edema
Physiology
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6518 Physiology

Carotid baroreceptors:

AAre important in the rapid, short term regulation of arterial blood pressure
BDo not fire until a pressure of approximately 100 mm Hg is reached
CAdapt over 1 to 2 weeks to the prevailing mean arterial pressure
DStretch reflexively decreases cerebral blood flow
Physiology
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