Kaiser EKG Test Questions With Correct Answers | Latest Update 2026/2027 | Graded A+ |

Kaiser EKG Test Questions With Correct
Answers | Latest Update 2026/2027 |
Graded A+ |

depolarization - answer-- inside of cell becomes positive, outside
b b b b b b b b


bnegative b


- contraction
b


- na+ channel opens
b b b b


- ELECTRICAL
b




repolarization - answer-movement of cells = inside is negative again
b b b b b b b b b b


- na+ channels close, k+ channels open
b b b b b b b


- MECHANICAL
b




refractory period - answer-per of time where cardiac cells cannot
b b b b b b b b b


brespond to stimulus b b




absolute refractory period - answer-beginning of qrs to peak of t wave
b b b b b b b b b b b




relative refractory (vulnerable per of repolarization) - answer-- cardiac
b b b b b b b b


bcells have repolarized enough to respond to strong stimulus
b b b b b b b b b


- during this per a strong stimulus may overtake the pacemaker of the
b b b b b b b b b b b b


bheart b


- ex. PVC during vulnerable period may turn into vtach or torsades
b b b b b b b b b b b b


- prolonged QT interval inc possibility
b b b b b




causes of prolonged qt intervals - answer-haldol, bradycardia,
b b b b b b b


hypokalemia
b

,automaticity - answer-ability of pacemaker cells to initiate electrical
b b b b b b b b


impulse
b




excitability - answer-ability of muscle cells to respond to outside
b b b b b b b b b


stimulus
b




conductivity - answer-ability to recieve electrical stimulus and conduct
b b b b b b b b


impulse to adjacent cells
b b b b




contraction - answer-cardiac cells shorten = muscular contraction in
b b b b b b b b


response to electrical stimulus
b b b b




sa node - answer-- primary pacemaker of heart
b b b b b b b b


- 60-90 bpm
b b




av node - answer-delay = atrial contraction + ventricular filling
b b b b b b b b b b


- 40-60 bpm
b b




bundle of his - answer-ability to self initiate electrical activity
b b b b b b b b b b


- 40-60 bpm
b b




purkinje fibers - answer-network of fibers that carry electrical impulse
b b b b b b b b b


bto ventricular muscle cells
b b b b


- 20-40 bpm
b b




NSR b


Brady b


Tachy
SVT b


Junctional b


Ventricular rhythm - answer-NSR 60-100 b b b b


Brady 40-60 b


Tachy >100 b


SVT >150 b


Junctional 40-60 b

, Ventricular rhythm 20 - 40 b b b b




PR interval - answer-0.12-0.20
b b b


beginning of p to beginning of qrs b b b b b b




qrs interval - answer-< 0.12
b b b b


beginning of q to end of s b b b b b b




p wave b b


qrs wave b


t wave - answer-- (p) atrial depolarization
b b b b b b b


- (qrs) ventricular depolarization
b b b b


- (t) ventricular repolarization
b b b




qt interval - answer-beginning of q to end of t
b b b b b b b b b b


- heart rate dependent
b b b




is rhythm regular or irregular - answer-measure interval between R
b b b b b b b b b


bwaves

ventricular rate - answer-- count # of qrs complexesb b b b b b b b




atrial rate - answer-- count # of p waves
b b b b b b b b




causes of bradycardia - answer-- vagal
b b b b b b


- dig, beta blockers
b b b b


- compensatory response in acute MI
b b b b b b


- ischemic heart disease
b b b b


- sick sinus. synd
b b b


- inc intracranial pressure
b b b




bradycardia symptoms - answer-hypotension, AMS, signs of shock,
b b b b b b b


ischemic chest discomfort, HF
b b b b