The Health Care Provider Tells a Patient to Use Ibuprofen

The health care provider tells a patient to use ibuprofen (Motrin, Advil) to relieve pain after treating a laceration on the patient's forearm from a dog bite. The patient asks the nurse how ibuprofen will control the pain. The nurse will teach the patient that ibuprofen interferes with the pain process by decreasing the

A) production of pain-sensitizing chemicals.
B) spinal cord transmission of pain impulses.
C) sensitivity of the brain to painful stimuli.
D) modulating effect of descending nerves.