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NRSG 3100 Exam Questions with complete solution

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NRSG 3100 Exam Questions with complete solution NRSG 3100 Exam #4 Ventricular pulse rate - correct answer 40-30 AV pacer rate - correct answer 60-405 What is makes up stroke volume - correct answer preload, afterload, and contractility Normal stroke volume - correct answer 60-...

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  • October 26, 2024
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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NRSG 3100 Exam #4
Ventricular pulse rate - correct answer ✔40-30


AV pacer rate - correct answer ✔60-405


What is makes up stroke volume - correct answer ✔preload, afterload, and
contractility


Normal stroke volume - correct answer ✔60-70%


TTE vs TEE - correct answer ✔transthoracic vs transesophageal
echocardiogram. TEE is more sensitive and accurate for finding vegetations


preload - correct answer ✔Degree of stretch of the ventricular cardiac
muscles at the end of diastole


Afterload: - correct answer ✔Resistance to ejection of blood from the
ventricle; systemic or pulmonary vascular resistance


Sodium channel blockers - correct answer ✔procainamide (Pronestyl)


lidocaine (Xylocaine)


Beta blockers - correct answer ✔propranolol (Inderal)
esmolol (Brevibloc)

,Potassium channel blockers - correct answer ✔amiodarone (Cordarone)


Calcium channel blockers - correct answer ✔diltiazem (Cardizem)
verapamil (Calan)


Class 1 Antidysrhythmics - correct answer ✔Sodium channel blockers
ONE dash of SALT


Class 2 antiarrhythmics - correct answer ✔Beta-blockers
2 Bs


Class 3 antiarrhythmics - correct answer ✔Potassium channel blockers
3 rhymes with P


Class 4 antiarrhythmics - correct answer ✔calcium channel blockers
4 letters in milk


What is the largest group of antiarrhythmics - correct answer ✔Sodium
channel blockers group


MOA of sodium channel blockers - correct answer ✔prevent depolarization
Suppresses ectopic pacemaker activity


Signs of cardiotoxicty caused by Na channel blockers - correct answer
✔increased PR and QT intervals and/or widening QRS


Class IA Na channel blockers - correct answer ✔Procainamide (Pronestryl)

, Class IB Na channel blockers - correct answer ✔lidocaine (Xylocaine)


Class of Procainamide (Pronestyl) - correct answer ✔Broad spectrum anti-
dysrthymias used for both atrial and ventricular arrhythmias


MOA of procainamide (Pronestyl) - correct answer ✔blocks sodium channels
in myocardial cells; reducing automaticity and slowing velocity of the action
potential across the myocardium


When is procainamide given - correct answer ✔Considered a drug of last
resort for cardiac life support due to its toxicity; used when other drugs have
failed to reverse severe dysrhythmia


Most common, serious side effects of procainamide - correct answer
✔Confusion of psychosis


BBW for procainamide (Pronestyl) - correct answer ✔Chronic use may result
in a lupus-like syndrome (increased ANAs)


Blood dyscrasias (monitor CBC, discontinue at first sign of possible
dyscrasias)


When to not give procainamide (Pronestyl) - correct answer ✔2nd or 3rd
degree AV block!!!
severe HF, peripheral neuropathy, myasthenia gravis, lupus!!!
use caution with bone marrow depression

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