NRCPCT EKG CH.2 PART 2

one complete heart beat, combining the contraction and relaxation phases is known as which of the following?

• cardiac rhythm

• base lien cycle

• electrode cycle

• ECG cycle

palpitation is which of the following?

• arrest

• calm and resting heart

• weak, slow fluttering of the heart

• rapid, throbbing or fluttering of the heart

PMI is the abbreviation for which of the following?

• premature irritability

• premature myocardial infarction

• posterior myocardial infarction

• posterior myocardial insufficiency

impulses traveling through the heart's upper chambers (the atria) are delayed in the area between the upper and lower chambers (the AV node) and fail to make the ventricles beat at the right moment.

• first- degree heart block

• second- degree heart block

• third- degree heart block

• ablation

an arrhythmia ( abn heartbeat) in the ventricle characterized by a very fast heartbeat.

• ventricular tachycardia

• ventricular

  fibrillation

• arteritis

• arteriosclerosis

the second sound heard when taking blood pressure is which of the following?

• carotid pressure

• venous pressure

• systolic pressure

• diastolic pressure

a portable device for recording heartbeats over a period of 24 hours or more.

• pacemaker

• stethoscope

• Holter monitor

• sphygmomano-meter

WNL is the abbreviation for which of the following?

• within normal limits

• without normal limits

• within natural limits

• without natural limits

rapid, uncoordinated contractions of individual heart muscle fibers. the heart chamber involved can't contract all at once and pumps blood in effectively, if at all.

• flutter

• palpitation

• restenosis

• fibrillation

blueness of skin caused by insufficient oxygen in the blood.

• endocardium

• ischemia

• cyanosis

• hmocysteine