Periods of REM sleep alternate with periods of non-REM sleep in a cycle that recurs about every ________ minutes or so

To temporarily numb the mother's body below the waist, a physician may administer

A) a narcotic. B) general anesthesia. C) local anesthesia such as an epidural block. D) a tranquilizer.

More than half of the people with obsessive-compulsive disorder also have comorbid disorders such as social anxiety disorder, specific phobia, GAD, panic disorder and

A) depression. B) bipolar disorder. C) agoraphobia. D) sexual dysfunctions.