Hemodynamic disorders · USMLE Step 1

Which mechanism does NOT typically contribute to the development of edema?

  1. Increased capillary hydrostatic pressure
  2. Decreased plasma oncotic pressure
  3. Obstruction of lymphatic drainage
  4. Increased arterial blood inflow
Show answer and explanation

Correct answer: Increased arterial blood inflow

Edema arises from increased hydrostatic pressure, reduced plasma oncotic pressure, lymphatic obstruction or increased permeability; hyperemia (increased arterial flow) is not a direct cause of fluid leakage.

Difficulty: Medium Question 2 of 19

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