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Nur170 | Nur 170 Exam 3 | Medical Surgical Nursing Exam 3 | 100% Correctly Answered And Rated A+ | 2025/2026 Guide | Galen

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NUR170 | NUR 170 EXAM 3 | MEDICAL
SURGICAL NURSING EXAM 3 | 100%
CORRECTLY ANSWERED AND RATED A+ |
2025/2026 GUIDE | GALEN

What does the P wave represent? - Correct Answer - - atrial
depolarization (contraction)

What does the QRS complex represent? - Correct Answer - -
depolarization of the ventricles and repolarization of the atria

What does the T wave represent? - Correct Answer - - repolarization of
ventricles, ventricular relaxation

atrial fibrillation - Correct Answer - - rapid, random, ineffective
contractions of the atrium

What is the #1 risk factor for stroke? - Correct Answer - - atrial fibrillation
because atrial kick is lost causing blood clots

What is unique to an atrial fibrillation EKG strip? - Correct Answer - - no
definite P wave
- no PR interval

What is the #1 abnormal rhythm seen in the hospital? - Correct Answer -
- atrial fibrillation

, What is unique to sinus bradycardia EKG strip? - Correct Answer - - has
all characteristics of normal sinus rhythm just decreased BPM
- not treated unless symptomatic

How would symptomatic sinus bradycardia be treated? - Correct Answer
- - atropine

What decides treatment for sinus tachycardia? - Correct Answer - - the
cause of the abnormal heartrate

What is unique to an atrial flutter EKG strip? - Correct Answer - - p wave
is sawtooth
- pr interval is not measurable

What causes atrial flutter? - Correct Answer - - COPD
- acute MI

How would atrial flutter be treated? - Correct Answer - - digoxin
- beta blocker
- anticoagulant

premature ventricular contraction (PVC) - Correct Answer - - early
contraction of the ventricles
- widened QRS

List the two types of PVC - Correct Answer - - multifocal (look different)
- unifocal (look same)

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Uploaded on: November 3, 2025
Number of pages: 15
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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