In which of the following clinical situations is the normally high resistance of the skin bypassed? 1. In patients with external pacemaker wires 2. In patients with saline-filled catheters 3. In patients with intact, dry skin
a. 2 and 3 only
b. 1, 2, and 3
c. 1 and 2 only
d. 3 only
ANS: C
Current can readily flow into the body, causing damage to vital organs when the skin is bypassed via conductors such as pacemaker wires or saline-filled intravascular catheters.
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