An Adolescent Girl Asks the School Nurse for Advice Because

An adolescent girl asks the school nurse for advice because she has dysmenorrhea. She says that a friend recommended that she try an over-the-counter nonsteroidal antiinflammatory drug (NSAID) . The nurse's response should be based on knowing that:

A) Aspirin is the drug of choice for the treatment of dysmenorrhea.
B) Over-the-counter NSAIDs are rarely strong enough to provide adequate pain relief.
C) NSAIDs are effective because of their analgesic effect.
D) NSAIDs are effective because they inhibit prostaglandins,leading to reduction in uterine activity.