COMPREHENSIVE QUESTIONS AND VERIFIED ANSWERS
(DETAILED & ELABORATED) ACTUAL EXAM 2025 TEST!!
Question 1
Which of the following is NOT considered one of the seven lethal rhythms?
A) V-Fib
B) Asystole
C) PEA
D) Idioventricular rhythm
E) Sinus Tachycardia
Correct Answer: E) Sinus Tachycardia
Rationale: The seven lethal rhythms are V-fib, V-tach, Asystole, PEA,
Idioventricular, 2nd Degree T2, and Complete Heart Block. Sinus
Tachycardia is not on this list.
Question 2
What EKG interval is represented by "#4" in the context of standard EKG
rhythm strip analysis?
A) QRS interval
B) QT interval
C) ST segment
D) T wave
E) P-R interval
Correct Answer: E) P-R interval
Rationale: The P-R interval is indicated by "#4" as a common EKG
measurement point.
, Question 3
Which rhythm is often confused with Normal Sinus Rhythm (NSR) but has a
PR interval greater than 0.20 and no extra P wave?
A) Sinus Bradycardia
B) Sinus Tachycardia
C) PACs
D) 1st Degree AV Block
E) Junctional Rhythm
Correct Answer: D) 1st Degree AV Block
Rationale: 1st Degree AV block is described as "only one with no
extra P wave, often confused with NSR, PR interval is >0.20."
Question 4
A patient presents with an EKG showing a heart rate less than 60 bpm. This
rhythm is identified as Sinus Bradycardia. What is a potential treatment for
this condition?
A) Cardioversion
B) Defibrillation
C) Pacing
D) Adenosine
E) Diltiazem
Correct Answer: C) Pacing
Rationale: For Sinus Bradycardia (<60bpm), treatments include
"pacing, atropine, treat reversible causes."