A Community Health Nurse Is Teaching a Class on the Effects

A community health nurse is teaching a class on the effects of heart injury. Which statement from class attendees indicates an appropriate understanding of the course material?

A) "When my heart cells are deprived of oxygen, irreversible damage occurs."
B) "My heart cells may fully recover if blood supply returns within 15 minutes."
C) "When my heart cells sustain an injury, they can no longer function normally."
D) "Even if my heart cells die, the damage to my heart is still reversible."