A 20-year-old male suffers a severe closed head injury in a motor vehicle accident. He remains in a vegetative state 1 month after the accident. Which of the following structures is most likely damaged?
A) Cerebral cortex
B) Brain stem
C) Spinal cord
D) Cerebellum

Question

Quizplus · Accepted Answer

The brain stem controls many vital functions such as breathing, heart rate, and consciousness. Damage to this area can result in a vegetative state. The other structures listed may be involved in cognitive or motor functions, but are less likely to be responsible for maintaining basic life-sustaining functions.

A 20-Year-Old Male Suffers a Severe Closed Head Injury in a Motor