Exam 7: Introducing the Sinus Rhythms

The primary pacemaker cell of the heart is the:

The part of the conduction system that is located on the floor of the right atrium is the:

A patient is termed ________ when he or she is considered medically asymptomatic.

Which of the following is the correct order of the conduction system of the heart?

The rhythm in which the SA node discharges impulses at a rate between 100 and 160 is called:

An abnormal heart rhythm is most commonly referred to as a(n):

External pacing is also referred to as ________ pacing.

An "out of place" complex is called:

The rhythm that occurs when the SA node has generated an impulse that follows the normal pathway through the electrical conduction system is defined as normal sinus:

The area of the conduction system that is defined as the "gatekeeper" to the ventricles is the:

All of the following are signs of cardiac compromise EXCEPT:

The part of the conduction system that is located in the septum and in the ventricles is the:

Which of the following terms indicates "fast"?

The irregular rhythm produced with the P to P intervals and the R to R intervals change with respirations is called:

The intrinsic firing rate of the AV node is which of the following?

Which of the following describes an EKG with a rate of 140?

The rhythm in which the SA node discharges impulses at a rate less than 60 is called:

When the sinus node fails to discharge,the absence of a PQRST interval is noted on the rhythm and is called:

The treatment of sinus tachycardia is aimed at finding and treating the underlying cause.

Rhythms are classified according to the heart structure or structures in which they begin. This is called: