The nurse is preparing to physically exam a client. What action by the nurse is most to take prior to beginning the client examination?

A. Hand hygiene is the most important action to prevent the spread of infection before any physical examination. B. Approaching from the left side is unnecessary unless required by specific patient needs. C. Needles should never be recapped as this increases the risk of needlestick injuries. D. Gloves should be worn when appropriate but should not be the first action before an examination. Hand hygiene is essential before touching the client or any instruments.