Which term is used to designate muscle pain?

Methods, such as using a fan to dry blood films faster, are especially important when:

a. The patient is very anemic or high humidity exists. b. The patient has polycythemia or high humidity exists. c. The sample is over 6 hours old. d. No one is available to blow on the blood film.

Special care must be exercised with the use of ____ in a patient being treated for severe pain. It may reverse an untoward adverse effect such as respiratory depression while causing the return of severe pain.

A. pentazocine B. meperidine C. butorphanol D. naloxone