EXAMINATION STUDY GUIDE questions
and answers
What is the only artery that carries low oxygen blood? ✔✔The pulmonary
arteries
Where do the pulmonary arteries take the blood? ✔✔the blood leaves the
right ventricles and goes to the heart
The normal sinus rhythm has a rate of how many beats per minute? ✔✔60-
100
Bradycardia means what? ✔✔the heart beat is below 60 beats per minute
How is a sinus arrhythmia caused? ✔✔changes in breathing
What kind of line is represented by an Asystole? ✔✔a flat line or death
What is pulmonary circulation? ✔✔Circulation that goes to the hearts right
atrium to the lungs where it is oxygenated and releases built up carbon
dioxide
, what happens if the heart beat fires ectopically? ✔✔the stimulus to
generate the heart beat does nor occur in the SA node
What does the Chordae Tendinea do? ✔✔it holds the heart valves in place
What is a heart murmur? ✔✔it is the sound of faulty action when the valves
close
What is ischemia? ✔✔the lack of sufficient blood supply to an area of the
myocardium
If their is inadequate blood flow to the heart muscle what would happen to
the patient? ✔✔the patient would feel heart pain
What is an MI? ✔✔a myocardial infarct and occurs when the myocardial
tissue suffers death to the area because of insufficient blood flow
What is one of the major causes of heart failure? ✔✔untreated blood
pressure
What is the difference between agonal and asystole on an EKG?
✔✔asystole is a flat line while agonal is less than 20 beats per minute
What is an electrocardiogram? ✔✔recording or tracing of an EKG