Which of the following is the primary pacemaker of the heart? 

A. AV node
B. Bundle of His
C. SA node
D. Purkinje fibers
E. Bundle branches


C. SA node
The SA node is the primary pacemaker of the heart.

Health Professions

You might also like to view...

The front office staff member who primarily handles administrative duties is referred to as a(n) __________

Fill in the blank with correct word.

Health Professions

When one branch of the AV node conducts the impulse forward and the other branch of the AV node conducts it backward, this is called ____ tachycardia.

A. anterograde B. antidromic C. retrograde D. paroxysmal

Health Professions

Removal of packing material from the nose would be reported with code ____________________.

Fill in the blank(s) with the appropriate word(s).

Health Professions

What does the level of medical decision-making describe?

A. How much time and expertise the provider used to determine the diagnosis and treatment plan B. How much knowledge and expertise the provider used to determine the diagnosis and treatment plan C. How much time the provider used to determine the diagnosis and treatment plan D. How much knowledge and time the provider used to determine the diagnosis and treatment plan

Health Professions