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Case 1: Risk Factors for HIV Transmission in Percutaneous Exposure

You answered:

C Device/needle used in an artery or vein of the source patient.

This answer is incorrect. In a case-controlled analysis of health care workers who sustained a needlestick injury from an HIV-infected source patient, injury with a device that was used in a vein or artery of the source patient was associated with a significantly increased risk of HIV transmission to the health care worker.

A Deep injury to the health care worker.
B Source patient with end-stage AIDS.
D Device/needle visibly bloody immediately prior to the needlestick injury.
E Age of the health care worker.

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