________ applications result in constriction of blood vessels

Edema in the hands or feet may occur when:

a. Nerves are compressed b. Arteries are compressed c. Veins are compressed d. Trigger points are compressed

An endogenous nucleoside with a very short half-life (about 10 seconds), with alarming side effects, such as shortness of breath and chest pain, is:

a. Lanoxin. c. Adenocard. b. magnesium. d. verapamil.