The nurse instructing a patient about the use of antiembolism stockings is aware that they help prevent deep vein thrombosis (DVT) by:
A) Encouraging ambulation to prevent pooling of blood
B) Providing warmth to the extremity
C) Elevating the extremity to prevent pooling of blood
D) Forcing blood into the deep venous system
Ans: D
Feedback: Antiembolism stockings prevent DVT by forcing blood into the deep venous system instead of allowing it to pool. Ambulation prevents blood from pooling and prevents DVT, but encouraging ambulation isn't a function of the stockings. Antiembolism stockings could possibly provide warmth, but this isn't how they prevent DVT. Elevating the extremity decreases edema but won't prevent DVT.
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