A(n) ________ is a dilated, or enlarged, vein in the walls of the anus or rectum that is usually caused by untreated constipation but occasionally is associated with chronic diarrhea.

When using a cold quartz generator, it is usually held ________ away from the treatment area

A) 5 inches B) 1 inch C) 7 inches D) 3 inches

A regular rhythm with narrow QRS complexes, indistinguishable P waves, and a heart rate of 155 would be consistent with

A) supraventricular tachycardia. B) sinus bradycardia. C) ventricular tachycardia. D) atrial fibrillation.