NURB 390 Exam I Questions and Correct Detailed
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Q: Steps for Interpreting EKGs
Ans: 1.Rate
2.Regularity
3.P waves
4.PR interval
5.QRS complex
6.Identify rhythm
7.Determine significance of rhythm and treatment
Quiz: Normal Sinus Rhythm
Ans: 1.Rate: 60-100/minute
2.Regularity: regular
3.P waves: present, look the same, before every QRS, are they all upright (HILL
not valley)
4.PR interval: 0.12-0.20 seconds and constant
5.QRS duration: 0.06-0.10 seconds and constant
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, Quiz: Atrial Dysrhythmias
Ans: Premature Atrial Complexes (PACs)
Atrial Fibrillation (A fib)
*atrial problem is a problem with the P wave
Quiz: PACs causes
Ans: -Normal: stress, fatigue, caffeine, etc.
-Warning signs of others: hypoxia, electrolyte imbalances, COPD, heart
diseases, medications
Quiz: PACs symptoms
Ans: heart palpitations possible (could be fine or not)
Quiz: PACs treatment
Ans: treat causes as needed
Quiz: Interpreting PAC EKG
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, Ans: Extra beat early, normal upright QRS
P wave: not same all throughout one is early
Quiz: Atrial fibrilation (A-fib) EKG
Ans: A fib is always irregular and there is a problem with the P waves
1.Rate: varies; can be controlled (<100/minute) or uncontrolled/rapid
(>100/minute)
2.Regularity: irregular
3.P waves: too many to count
4.PR interval: unable to determine
5.QRS complex: 0.06-0.10
Quiz: A fib causes
Ans: risk increases with age, heart disease (HTN, heart failure, CAD), heart
surgery, electrolyte imbalance, etc.
Quiz: A fib symptoms
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, Ans: Decrease in cardiac output of 20-30% (because loosing the atrial kick)
-Fatigued
-SOB
-Hypotension
-Potential weakness
-Chest discomfort
-Palpitations
Quiz: A fib concerns
Ans: -Blood pooling in atria → clotting → pulmonary emboli, stroke
-Heart failure
-Can live with it but has risks
Quiz: A fib treatment
Ans: -Control rate and support BP (antidysrhythmics and other meds)
-Prevent clotting (for delayed cardioversion or long-term AF)
Anticoagulants
-Convert rhythm (meds, cardioversion, ablation, Maze procedure, pacer)
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Answers (Verified Answers) ||Already Graded
A+||Newest Version
Q: Steps for Interpreting EKGs
Ans: 1.Rate
2.Regularity
3.P waves
4.PR interval
5.QRS complex
6.Identify rhythm
7.Determine significance of rhythm and treatment
Quiz: Normal Sinus Rhythm
Ans: 1.Rate: 60-100/minute
2.Regularity: regular
3.P waves: present, look the same, before every QRS, are they all upright (HILL
not valley)
4.PR interval: 0.12-0.20 seconds and constant
5.QRS duration: 0.06-0.10 seconds and constant
o
o
© 2025 TestTrackers
WhatsApp or call o Resources & Updates: [Testtrackers - Stuvia US]
o Your Success is Our Mission!
[+254707240657]
o For online exams and tutor expert, please whatsapp
me in the number given.
, Quiz: Atrial Dysrhythmias
Ans: Premature Atrial Complexes (PACs)
Atrial Fibrillation (A fib)
*atrial problem is a problem with the P wave
Quiz: PACs causes
Ans: -Normal: stress, fatigue, caffeine, etc.
-Warning signs of others: hypoxia, electrolyte imbalances, COPD, heart
diseases, medications
Quiz: PACs symptoms
Ans: heart palpitations possible (could be fine or not)
Quiz: PACs treatment
Ans: treat causes as needed
Quiz: Interpreting PAC EKG
o
o
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me in the number given.
, Ans: Extra beat early, normal upright QRS
P wave: not same all throughout one is early
Quiz: Atrial fibrilation (A-fib) EKG
Ans: A fib is always irregular and there is a problem with the P waves
1.Rate: varies; can be controlled (<100/minute) or uncontrolled/rapid
(>100/minute)
2.Regularity: irregular
3.P waves: too many to count
4.PR interval: unable to determine
5.QRS complex: 0.06-0.10
Quiz: A fib causes
Ans: risk increases with age, heart disease (HTN, heart failure, CAD), heart
surgery, electrolyte imbalance, etc.
Quiz: A fib symptoms
o
o
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me in the number given.
, Ans: Decrease in cardiac output of 20-30% (because loosing the atrial kick)
-Fatigued
-SOB
-Hypotension
-Potential weakness
-Chest discomfort
-Palpitations
Quiz: A fib concerns
Ans: -Blood pooling in atria → clotting → pulmonary emboli, stroke
-Heart failure
-Can live with it but has risks
Quiz: A fib treatment
Ans: -Control rate and support BP (antidysrhythmics and other meds)
-Prevent clotting (for delayed cardioversion or long-term AF)
Anticoagulants
-Convert rhythm (meds, cardioversion, ablation, Maze procedure, pacer)
o
o
© 2025 TestTrackers
WhatsApp or call o Resources & Updates: [Testtrackers - Stuvia US]
o Your Success is Our Mission!
[+254707240657]
o For online exams and tutor expert, please whatsapp
me in the number given.
