NURS 4626 EXAM 1 DYSRHYTHMIAS QUESTIONS AND ANSWERS | NURS 4626
CARDIOVASCULAR NURSING STUDY GUIDE & PRACTICE TEST 2026/2027
automaticity - ✔✔this term is the ability to initiate an impulse spontaneously and continuously
excitability - ✔✔this term is the ability to be electrically stimulated
conductivity - ✔✔this term is the ability to transmit an impulse along a membrane in an orderly
manner
contractility - ✔✔this term is the ability to respond mechanically to an impulse
SA>AV>bundle of his> left and right bundle branches >purkinje fibers - ✔✔conduction of the heart
pathway
PNS - ✔✔PNS or SNS
decreases rate of SA node
PNS - ✔✔PNS or SNS
slows impulse conduction of AV node
SNS - ✔✔PNS or SNS
increases rate of SA node
SNS - ✔✔PNS or SNS
increases impulse conduction of AV node
SNS - ✔✔PNS or SNS
increases cardiac contractility
0.12-0.20 - ✔✔The PR interval should be between _____-____ seconds
0.04-0.10 - ✔✔QRS interval
<0.45 - ✔✔QT interval
60-100 - ✔✔Normal pulse rate
0.04 seconds - ✔✔each small horizontal square represents _______ seconds
0.20 - ✔✔one large horizontal square equals __ seconds
30 large boxes - ✔✔6 second strip has how many large horizontal boxes
15 large boxes (you would need to multiply by 2 to get a 6 second strip) - ✔✔3 second strip has how
many large horizontal boxes
CARDIOVASCULAR NURSING STUDY GUIDE & PRACTICE TEST 2026/2027
automaticity - ✔✔this term is the ability to initiate an impulse spontaneously and continuously
excitability - ✔✔this term is the ability to be electrically stimulated
conductivity - ✔✔this term is the ability to transmit an impulse along a membrane in an orderly
manner
contractility - ✔✔this term is the ability to respond mechanically to an impulse
SA>AV>bundle of his> left and right bundle branches >purkinje fibers - ✔✔conduction of the heart
pathway
PNS - ✔✔PNS or SNS
decreases rate of SA node
PNS - ✔✔PNS or SNS
slows impulse conduction of AV node
SNS - ✔✔PNS or SNS
increases rate of SA node
SNS - ✔✔PNS or SNS
increases impulse conduction of AV node
SNS - ✔✔PNS or SNS
increases cardiac contractility
0.12-0.20 - ✔✔The PR interval should be between _____-____ seconds
0.04-0.10 - ✔✔QRS interval
<0.45 - ✔✔QT interval
60-100 - ✔✔Normal pulse rate
0.04 seconds - ✔✔each small horizontal square represents _______ seconds
0.20 - ✔✔one large horizontal square equals __ seconds
30 large boxes - ✔✔6 second strip has how many large horizontal boxes
15 large boxes (you would need to multiply by 2 to get a 6 second strip) - ✔✔3 second strip has how
many large horizontal boxes
