Obtundation is best described as which state?

• A. Reduced alertness with slow responses and confusion
• B. Drowsy state with brief responsiveness followed by return to sleep
• C. Complete unresponsiveness to external stimuli
• D. State requiring vigorous stimulation to elicit response

Answer: (A)

Obtundation represents a level of consciousness where alertness is diminished and thinking is slowed, with accompanying confusion. The person is not fully awake but can be aroused, and when stimulated their responses are delayed and may be muddled. This places them between being merely drowsy and being unresponsive.

This description matches obtundation because it emphasizes both reduced arousal and slowed, confused responses. It is not simply drowsiness, where someone remains easy to awaken and responds more normally with effort, nor is it complete unresponsiveness as in coma, nor the need for vigorous, repeated stimulation to elicit any response as seen in stupor.