NRSG 3100 Dysrhythmias | Questions with 100% Verified Answers | Latest Update

NRSG 3100 Dysrhythmias | Questions with 100% Verified Answers | Latest
Update

Question: automaticity
Answer:
the ability of the heart to generate and conduct electrical impulses on its own

Question: conductivity
Answer:
the ability of the heart cells to receive and transmit an electrical impulse

Question: cardiac action potential
Answer:
phase 0: rapid depolarization phase 1: rapid repolarization phase 2: plateau phase 3: final
repolarization phase 4: resting

Question: stroke volume
Answer:
The amount of blood ejected from the heart in one contraction

Question: cardiac output
Answer:
the volume of blood ejected from the left side of the heart in one minute heart rate X stroke
volume

Question: preload
Answer:
degree of stretch of the cardiac muscle fibers at the end of diastole

Question: afterload
Answer:
the force or resistance against which the heart pumps

Question: contractility
Answer:
the ability of the heart muscle to contract

, Question: inotropic
Answer:
strength of contraction

Question: chronotropic
Answer:
rate of contraction

Question: dromotropic
Answer:
rate of electrical conduction

Question: normal electrocardiogram
Answer:
P wave, QRS complex, T wave




Question: normal conduction
Answer:
sinoatrial node atrioventricular node bundle of His right and left bundle branches purkinje
fibers contract!