Which statement about serous, fibrinous, and purulent exudates is most accurate?

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Multiple Choice

Which statement about serous, fibrinous, and purulent exudates is most accurate?

Exudates during inflammation differ by their protein content and cellular makeup. Serous exudate is a clear, watery fluid with low protein and few cells. Fibrinous exudate has higher protein content with fibrin strands forming a network that can coat surfaces. Purulent exudate is pus—thick and opaque, rich in neutrophils and debris, often with bacteria. The statement that serous exudate is watery, fibrinous exudate contains fibrin, and purulent exudate contains pus with neutrophils is the best description of these differences. Other options mix up features—for example, purulent exudate isn’t defined mainly by red cells, serous exudate isn’t turbid or bloody, and fibrin is present in fibrinous exudate rather than absent.

Exudates during inflammation differ by their protein content and cellular makeup. Serous exudate is a clear, watery fluid with low protein and few cells. Fibrinous exudate has higher protein content with fibrin strands forming a network that can coat surfaces. Purulent exudate is pus—thick and opaque, rich in neutrophils and debris, often with bacteria. The statement that serous exudate is watery, fibrinous exudate contains fibrin, and purulent exudate contains pus with neutrophils is the best description of these differences. Other options mix up features—for example, purulent exudate isn’t defined mainly by red cells, serous exudate isn’t turbid or bloody, and fibrin is present in fibrinous exudate rather than absent.

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