单选题 The nurse is preparing a gastric lavage for a comatose victim of the car accident. Which of the following positions would be most appropriate for the client during this procedure?
A. Trendelenburg's.
B. Lithotomy.
C. Lateral.
D. Supine.

【正确答案】 C

【答案解析】An unconscious client is best positioned in a lateral or semiprone position because these positions allow the jaw and tongue to fall forward, facilitate drainage of secretions, and prevent aspiration.