Capillary refill is assessed by pressing on a fingernail and releasing; what is considered normal refill time?

• A. Observe skin color after pressing on the fingernail.
• B. Time capillary refill by squeezing the earlobe until color returns.
• C. Press on a fingernail and release; normal refill is 2 seconds or less.
• D. Check refill by applying a tourniquet above the elbow.

Answer: (C)