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Arrhythmias and heart sounds

Description

DPT quiz to help with comprehensive exam. Based off of DMU curriculum notes. Quiz includes arrhythmias and heart sounds.
Laura Steichen
Quiz by Laura Steichen, updated more than 1 year ago
Laura Steichen
Created by Laura Steichen over 7 years ago
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Resource summary

Question 1

Question
Stop exercise immediately with all of the following except:
Answer
  • Ventricular tachycardia
  • Second degree AV block Type 2
  • Atrial fibrillation
  • Ventricular fibrillation

Question 2

Question
Primary blood supply to the AV node and SA node:
Answer
  • Right coronary artery
  • Left coronary artery
  • Circumflex artery
  • Left anterior descending artery

Question 3

Question
All the following are correct inherent beats except:
Answer
  • SA node at 100-110 bpm
  • SA node at 60-80 bpm
  • AV node at 40-60 bpm
  • Bundle of His at 20-40 bpm

Question 4

Question
What is the correct order in which heart sounds are heard?
Answer
  • S1, S2, S3, S4
  • S4, S1, S2, S3
  • S1, S4, S2, S3
  • S3, S1, S2, S4

Question 5

Question
Which heart sound may disappear when a patient sits up or stands and is considered abnormal in adults over 40 y/o?
Answer
  • S1
  • S4
  • S3
  • S2

Question 6

Question
All of the following cause splits except:
Answer
  • Bundle branch block
  • Ventral septal defect
  • Irritable foci
  • Valve dysfunction or blood flow alterations

Question 7

Question
You are listening to a 6 y/o female heart beat and notice the rate increases with inspiration and decreases with expiration. She has no other s/s. What do you do?
Answer
  • Nothing, this can be a normal finding for this age
  • Administer nitroglycerin tablets to the patient
  • Immediately transport the patient to the ER
  • Stop treatment and reschedule for another day

Question 8

Question
A patient’s ECG shows a PR interval < 0.12 and a regular QRS rate > 100. The patient presents with a rapid and regular pulse and decreased cardiac output. This patient has what type of arrhythmia?
Answer
  • Wandering atrial pacemaker
  • Atrial premature beat
  • Atrial tachycardia
  • Atrial flutter

Question 9

Question
Individuals with atrial fibrillation are at increased risk of stroke because:
Answer
  • There is less blood supply to the brain
  • The heart is weaker
  • The vibrations inhibit vitamin K binding for the coagulation cascade
  • There is less atrial kick leading to blood being left behind in the atria to form a clot

Question 10

Question
Find the true statement:
Answer
  • Multifocal premature ventricular contractions look the same as bigeminy and come from the same spot
  • Ventricular premature contractions always require treatment
  • Patients with a ventricular premature contraction may have a pause in pulse followed by a strong beat or may complain of palpitations or skipped beats
  • Ventricular premature contractions more than 6 per minute or more than 3 in a row are no cause for concern

Question 11

Question
A patient in the hospital complains of heart palpitations, dyspnea, dizziness, and appears anxious and is sweating. This patient is experiencing:
Answer
  • Ventricular premature contraction
  • Ventricular tachycardia
  • Ventricular fibrillation
  • asystole

Question 12

Question
What is the correct order of progression?
Answer
  • Ventricular premature contraction (> 3 in a row), ventricular fibrillation, asystole, ventricular tachycardia
  • Ventricular tachycardia, quadrigeminy, ventricular fibrillation, asystole
  • Bigeminy, ventricular fibrillation, ventricular tachycardia, asystole
  • Ventricular premature contraction (> 3 in a row), ventricular tachycardia, ventricular fibrillation, asystole

Question 13

Question
Fixed P-R interval with a dropped QRS every third beat, may drop several QRS waves in a row, typically fixed with a pacemaker. Identify the arrhythmia:
Answer
  • 1st degree AV block
  • 2nd degree AV block type 2
  • 2nd degree AV block type 1
  • Sinus block (aka “skipped beat”)

Question 14

Question
ECG presents as regular P and QRS waves that appear out of sync with each other. s/s include slow HR (< 60 bpm), drop in CO, and possible ventricular fibrillation. What arrhythmia may proceed this type of block?
Answer
  • 2nd degree AV block type 2
  • 2nd degree AV block type 1
  • 1st degree AV block
  • Left bundle branch block

Question 15

Question
You are seeing a 65 y/o male. Upon reading the ECG you notice he has a widened Q wave and an elevated ST wave on leads V1 and V2. What do you do?
Answer
  • Ask the patient if he has had any ischemic heart attacks recently
  • Do not perform treatment and reschedule for another day
  • Do nothing and treat him like any other patient
  • Verify with nursing or the doctor to see if they are aware that this patient has had an MI
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