The _____ is considered the pacemaker of the heart
A) sinoatrial node
B) atrioventricular node
C) Purkinje fiber
D) bundle branch
A
Health Professions
You might also like to view...
Should flow-restricted, oxygen-powered breathing devices (demand valves) be used to ventilate children? Why?
What will be an ideal response?
Health Professions
What is the primary mechanism that enables people to obtain health care services?
a. Availability of services b. Health insurance c. Payment for services d. Control of expenditures
Health Professions
The most abundant androgen is:
A. a steroid B. testosterone C. estrogen D. progesterone
Health Professions
When exposing radiographs, blurred images are a result of
too much vertical angulation. tubehead or patient movement during exposure. processing at high temperatures. double exposure.
Health Professions