Relias Dysrhythmia Basic Test 35 Questions and
Answers 2023 (Basic A Dysrhythmia) GRADED A LATEST
VERSION
A monitor technician on the telemetry unit asks a charge nurse why every client
whose monitor shows atrial fibrillation is receiving warfarin. Which response by the
charge nurse is best? - ANSWER: Warfarin prevents clot formation in the atria of
clients with atrial fibrillation.
The nurse is administering intravenous amiodarone to a patient in the emergency
department. Which task would the nurse need to prioritize? - ANSWER: Monitoring
the patient's blood pressure
Which medication is the drug of choice for sinus bradycardia? - ANSWER: atropine
Which class IV calcium channel blocker is exclusively administered to treat acute
supraventricular tachycardia? - ANSWER: Diltiazem
A patient, admitted to a health care facility with cardiac arrhythmia, is prescribed
propranolol. Which factor should the nurse closely monitor as a part of the ongoing
assessment during the therapy? - ANSWER: pulse rate
The nurse is writing a plan of care for a client with a cardiac dysrhythmia. What
would be the priority goal for the client? - ANSWER: maintain adequate cardiac
output
A nurse completes a shift assessment on a client admitted to the telemetry unit with
a diagnosis of syncope. The client's heart rate is 55 bpm with a blood pressure of
90/66 mm Hg. The client is also experiencing dizziness and shortness of breath.
Which medication will the nurse anticipate administering to the client based on
these clinical findings? - ANSWER: atropine
The nurse is caring for a client who is displaying a third-degree AV block on the EKG
monitor. What is the priority nursing intervention for the client? - ANSWER: alerting
the healthcare provider of the third-degree heart block
When planning the care of a client with an implanted pacemaker, what assessment
should the nurse prioritize? - ANSWER: heart rate and rhythm
A client's Holter monitor strip reveals a heart rate with normal conduction but with a
rate consistently above 105 beats/minute. What type of dysrhythmia would the
cardiologist likely diagnose? - ANSWER: sinus tachycardia
A nurse is caring for a client who has had an automatic cardiac defibrillator
implanted. What instructions should the nurse provide to the client? - ANSWER:
Avoid devices with a magnetic field.
, Which physiological conditions are common triggers for the development of cardiac
arrhythmias? Select all that apply. - ANSWER: Potassium imbalance, Respiratory
distress, Faulty sinoventricular node, Metabolic acidosis
What do class IB anti-arrhythmics result in? (Select all that apply.) - ANSWER:
Shortening of the action potential duration, Depression of cardiac conduction
The nurse understands that asystole can be caused by several conditions. Select all
that apply. - ANSWER: Hypoxia, Hypothermia, Acidosis, Hypovolemia
A client is receiving adenosine for treatment of supraventricular tachycardia. The
nurse understands that this drug results in: - ANSWER: Prolonged refractory period
perfusion - ANSWER: flow of blood through the arteries and capillaries delivering
nutrients and oxygen to cells and removing cellular waste products
cardiac conduction system - ANSWER: a system of specialized muscle tissues that
conducts electrical impulses that stimulate the heart to beat
electrical conduction
myocardial contraction-mechanical job of heart
5 jobs it does: contractility, excitability, conductivity, automaticity, refractory
effected by electrolytes: sodium, potassium, calcium and magnesium
contractility - ANSWER: ability to shorten when stimulated
excitability - ANSWER: ability to be stimulated
conductivity - ANSWER: ability to transmit an impulse to another cardiac cell
automaticity - ANSWER: ability to initiate an electrical impulse spontaneously
(without stimuli)
refractoriness - ANSWER: ability of the cell not to respond to another stimulus.
cardiac cycle - ANSWER: A complete heartbeat consisting of contraction and
relaxation of both atria and both ventricles
rhythmic repetition of conduction system and contractions
Contraction of the Cardiac Muscle spreads the electrical impulse throughout the
cardiac cycle? - ANSWER: False: the electrical impulse must come first, it is the
electrical activity that causes the contraction
Answers 2023 (Basic A Dysrhythmia) GRADED A LATEST
VERSION
A monitor technician on the telemetry unit asks a charge nurse why every client
whose monitor shows atrial fibrillation is receiving warfarin. Which response by the
charge nurse is best? - ANSWER: Warfarin prevents clot formation in the atria of
clients with atrial fibrillation.
The nurse is administering intravenous amiodarone to a patient in the emergency
department. Which task would the nurse need to prioritize? - ANSWER: Monitoring
the patient's blood pressure
Which medication is the drug of choice for sinus bradycardia? - ANSWER: atropine
Which class IV calcium channel blocker is exclusively administered to treat acute
supraventricular tachycardia? - ANSWER: Diltiazem
A patient, admitted to a health care facility with cardiac arrhythmia, is prescribed
propranolol. Which factor should the nurse closely monitor as a part of the ongoing
assessment during the therapy? - ANSWER: pulse rate
The nurse is writing a plan of care for a client with a cardiac dysrhythmia. What
would be the priority goal for the client? - ANSWER: maintain adequate cardiac
output
A nurse completes a shift assessment on a client admitted to the telemetry unit with
a diagnosis of syncope. The client's heart rate is 55 bpm with a blood pressure of
90/66 mm Hg. The client is also experiencing dizziness and shortness of breath.
Which medication will the nurse anticipate administering to the client based on
these clinical findings? - ANSWER: atropine
The nurse is caring for a client who is displaying a third-degree AV block on the EKG
monitor. What is the priority nursing intervention for the client? - ANSWER: alerting
the healthcare provider of the third-degree heart block
When planning the care of a client with an implanted pacemaker, what assessment
should the nurse prioritize? - ANSWER: heart rate and rhythm
A client's Holter monitor strip reveals a heart rate with normal conduction but with a
rate consistently above 105 beats/minute. What type of dysrhythmia would the
cardiologist likely diagnose? - ANSWER: sinus tachycardia
A nurse is caring for a client who has had an automatic cardiac defibrillator
implanted. What instructions should the nurse provide to the client? - ANSWER:
Avoid devices with a magnetic field.
, Which physiological conditions are common triggers for the development of cardiac
arrhythmias? Select all that apply. - ANSWER: Potassium imbalance, Respiratory
distress, Faulty sinoventricular node, Metabolic acidosis
What do class IB anti-arrhythmics result in? (Select all that apply.) - ANSWER:
Shortening of the action potential duration, Depression of cardiac conduction
The nurse understands that asystole can be caused by several conditions. Select all
that apply. - ANSWER: Hypoxia, Hypothermia, Acidosis, Hypovolemia
A client is receiving adenosine for treatment of supraventricular tachycardia. The
nurse understands that this drug results in: - ANSWER: Prolonged refractory period
perfusion - ANSWER: flow of blood through the arteries and capillaries delivering
nutrients and oxygen to cells and removing cellular waste products
cardiac conduction system - ANSWER: a system of specialized muscle tissues that
conducts electrical impulses that stimulate the heart to beat
electrical conduction
myocardial contraction-mechanical job of heart
5 jobs it does: contractility, excitability, conductivity, automaticity, refractory
effected by electrolytes: sodium, potassium, calcium and magnesium
contractility - ANSWER: ability to shorten when stimulated
excitability - ANSWER: ability to be stimulated
conductivity - ANSWER: ability to transmit an impulse to another cardiac cell
automaticity - ANSWER: ability to initiate an electrical impulse spontaneously
(without stimuli)
refractoriness - ANSWER: ability of the cell not to respond to another stimulus.
cardiac cycle - ANSWER: A complete heartbeat consisting of contraction and
relaxation of both atria and both ventricles
rhythmic repetition of conduction system and contractions
Contraction of the Cardiac Muscle spreads the electrical impulse throughout the
cardiac cycle? - ANSWER: False: the electrical impulse must come first, it is the
electrical activity that causes the contraction
