While at the Hospital Attending to His Mother, Peter Meets

Multiple Choice

While at the hospital attending to his mother, Peter meets a woman named Lea, whose father was diagnosed with whole brain death following cardiac arrest. She explains to Peter that her father requires a respirator ____.

A) because he suffered irreversible damage to his brain stem
B) because his heart is too weak to supply blood to the brain
C) to stimulate contractions of the heart muscle
D) because his cerebral cortex cannot coordinate respiratory and cardiovascular functions