EKG Certification Exam Study Guide!! (A Study Guide For National Test!!) –Q&A

EKG Certification Exam Study Guide!! (A Study Guide
For National Test!!) –Q&A

Occurs when a patient has a very low potassium level ✔️Ans - U wave

What complex occurs when th ventricles contract? ✔️Ans - QRS
complex

the heart has ___ valves? ✔️Ans - 4

The two semilunar valves are? ✔️Ans - pulmonic and aortic valves

Blood returning from the body to the hear enters the? ✔️Ans - right
atrium

The _____ vena cava gets it's blood from the head neck and upper
extremities ✔️Ans - superior

The _____ is the innermost layer of the heart ✔️Ans - endocardium

_____ ______ ________ is a Condition when the heart cannot meet the demands
of the body. ✔️Ans - Congestive heart failure

the two entrance valves of the heart. ✔️Ans - tricuspid and bicuspid
valves

______ is the fibrous outer fluid filled layer that covers the heartand
separates it from the contents in the chest cavity. ✔️Ans - pericardium

The EKG records the electrical impulses called. ✔️Ans - cardiac cycle

contraction of the atrium on ekg ✔️Ans - Pwave

contraction of the ventricles on EKG ✔️Ans - QRS complex

relaxation of the ventricles on EKG ✔️Ans - T wave

the right and left atria are know as the ✔️Ans - receiving chambers