The type of health maintenance organization (HMO) plan that involves contracting with individual physicians to create a healthcare delivery system is a(n):

Leads that have one positive electrode and one negative electrode are:

A) biphasic leads B) bipolar leads C) unipolar leads D) multipolar leads

Pulsus alternan results in:

A) an alternating strong-weak pulse quality. B) a drop in systolic blood pressure based on body position. C) profound skin cyanosis. D) hypotension and shock.