12. morphine and codeine are the chief mind-affecting chemicals in the pain-relieving drug a. heroin b. opium c. methadone d. all of the above

Injuries in the environment are a result of a. lower level activities. b. irresponsibility. c. mismatch between a child's abilities and activities. d. children not paying attention.

Checking blood sugar levels before, during, and after exercise is important for diabetics. select the best answer from the choices provided. t f

When does the american college of obstetrics and cynecology (acog) recommend young women to have their first appointment with a gynecologist