Medical-Surgical Nursing Pre-Test Questions
Course Introduction
Medical-Surgical Nursing is a comprehensive course that focuses on the care of adult patients with a variety of medical conditions and surgical interventions. The course emphasizes the application of critical thinking and evidence-based practice in assessing, planning, implementing, and evaluating nursing care for individuals experiencing acute and chronic health problems. Students will explore concepts such as patient safety, fluid and electrolyte balance, pain management, infection control, perioperative nursing, and the management of complex disease processes. The course also highlights the importance of interdisciplinary collaboration, patient education, and cultural sensitivity in delivering holistic, patient-centered care.
Recommended Textbook
ECGs Made Easy 5th Edition by Barbara J Aehlert
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10 Chapters
515 Verified Questions
515 Flashcards
Source URL: https://quizplus.com/study-set/400
2
Chapter 1: Anatomy and Physiology
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66 Verified Questions
66 Flashcards
Source URL: https://quizplus.com/quiz/6999
Sample Questions
Q1) The heart is divided into _____ chambers but functions as a _____-sided pump.
A) two; four
B) three; two
C) four; two
D) four; three
Answer: C
Q2) The primary neurotransmitters of the sympathetic division of the autonomic nervous system are _____.
A) dopamine and acetylcholine
B) muscarine and norepinephrine
C) acetylcholine and epinephrine
D) norepinephrine and epinephrine
Answer: D
Q3) The right ventricle expels blood through the _____ valve into the pulmonary trunk.
A) mitral
B) aortic
C) pulmonic
D) tricuspid
Answer: C
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Page 3
Chapter 2: Basic Electrophysiology
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66 Verified Questions
66 Flashcards
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Sample Questions
Q1) What does the QRS complex represent?
A) Atrial depolarization
B) Ventricular contraction
C) Ventricular repolarization
D) Ventricular depolarization
Answer: D
Q2) A line between waveforms is called a(n)_____.
Answer: segment
Q3) Which of the following is the first positive deflection seen on the ECG after the P wave?
A) Q wave
B) R wave
C) S wave
D) T wave
Answer: B
Q4) In the limb leads,the ST segment is normally isoelectric,or less than 1 mm above or below the isoelectric line.
A)True
B)False
Answer: True
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Chapter 3: Sinus Mechanisms
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45 Verified Questions
45 Flashcards
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Sample Questions
Q1) In sinus arrhythmia,a gradual increasing of the heart rate is usually associated with
A) expiration
B) inspiration
C) excessive caffeine intake
D) early signs of heart failure
Answer: B
Q2) Which of the following are possible causes of sinus bradycardia?
A) Elevated temperature,pain
B) Increased intracranial pressure,beta-blocker overdose
C) Hypoxia,fright,caffeine-containing beverages
D) Hypovolemia,administration of sympathomimetics
Answer: B
Q3) The rate of a sinus rhythm is ____ beats/min.
A) slower than 60
B) 60 to 100
C) 80 to 120
D) faster than 100
Answer: B
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Page 5
Chapter 4: Atrial Rhythms
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60 Verified Questions
60 Flashcards
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Sample Questions
Q1) What is meant by the term controlled atrial fibrillation?
A) The overall ventricular rate is less than 100 beats/min.
B) The atrial rate is less than 100 beats/min.
C) The overall ventricular rate is greater than 100 beats/min.
D) The atrial rate is greater than 100 beats/min.
Q2) Upon conversion of atrial fibrillation to sinus rhythm,the patient should be observed for signs of a possible stroke.
A)True
B)False
Q3) Individuals with preexcitation syndrome are predisposed to tachydysrhythmias. A)True
B)False
Q4) In atrial fibrillation,fibrillatory waves are referred to as f waves.
A)True
B)False
Q5) Delivery of an electrical current timed for delivery during the QRS complex is called
Q6) Most patients with type I atrial flutter develop atrial fibrillation.
A)True
B)False
Page 6
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Chapter 5: Junctional Rhythms
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51 Verified Questions
51 Flashcards
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Sample Questions
Q1) A beat originating from the AV junction that appears later than the next expected sinus beat is called a _____.
A) junctional escape beat
B) period of SA block
C) premature junctional complex (PJC)
D) premature atrial complex (PAC)
Q2) List four reasons why the AV junction may assume responsibility for pacing the heart.
Q3) Complete the following ECG criteria for a junctional escape rhythm:
Q4) Common causes of junctional dysrhythmias may include acute coronary syndromes and _____.
A) hyperthyroidism
B) hypovolemia
C) digitalis toxicity
D) hypoxia
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Chapter 6: Ventricular Rhythms
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60 Flashcards
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Sample Questions
Q1) Sustained monomorphic VT is often associated with underlying heart disease,particularly myocardial ischemia,and rarely occurs in patients without underlying structural heart disease.
A)True
B)False
Q2) An idioventricular (ventricular escape)rhythm has an intrinsic rate of 40 to 60 beats/min.
A)True
B)False
Q3) Complete the following ECG criteria for asystole:
Q4) The term premature ventricular complex is technically more correct than premature ventricular contraction.
A)True
B)False
Q5) List three potential sites of origin of ectopic beats.
Page 8
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Chapter 7: Heart Blocks
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Sample Questions
Q1) In third-degree AV block,_____.
A) the atrial rhythm (P-P interval)is irregular
B) the ventricular rhythm (R-R interval)is irregular
C) there is no PR interval because the atria and ventricles beat independently of each other
D) the PR interval after a nonconducted P wave is shorter than the interval preceding the nonconducted beat
Q2) Second-degree AV block type II is characterized by _____ intervals.
A) irregular P to P
B) irregular R to R
C) regular P to P intervals and regular R to R
D) irregular P to P intervals and irregular R to R
Q3) In second-degree AV block type I,the PR interval _____.
A) shortens
B) is absent
C) is inconstant
D) remains constant
Q4) Most of the bundle branch tissue is supplied by the _____ coronary artery.
A) right
B) left
Page 9
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Chapter 8: Pacemaker Rhythms
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17 Verified Questions
17 Flashcards
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Sample Questions
Q1) A demand pacemaker is also known as a _____ pacemaker.
Q2) Explain the benefits of a dual-chamber pacemaker.
Q3) Capture is _____.
A) the electrical stimulus delivered by a pacemaker's pulse generator
B) a vertical line on the ECG that indicates the pacemaker has discharged
C) the time measured between a sensed cardiac event and the next pacemaker output
D) the ability of a pacing stimulus to successfully depolarize the cardiac chamber that is being paced
Q4) The second letter of the pacemaker identification code represents _____.
A) programmable functions
B) the chamber sensed
C) the mode of response
D) the chamber paced
Q5) Your patient has a DDD pacemaker.Briefly explain the meaning of each of these letters.
Q6) Explain the difference between electrical capture and mechanical capture.
Q7) Describe what is meant by the term overdrive pacing.
Q8) Your patient has a VVI pacemaker.Briefly explain the meaning of each of these letters.
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Chapter 9: Introduction to the 12-Lead ECG
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36 Verified Questions
36 Flashcards
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Sample Questions
Q1) Placement of right chest leads is identical to the standard chest leads except on the right side of the chest.
A)True
B)False
Q2) Lead II views the _____ wall of the left ventricle.
A) anterior
B) inferior
C) septal
D) lateral
Q3) Hypertrophy refers to a(n)_____.
A) delay in impulse conduction through the SA node
B) disturbance in impulse conduction through the AV junction
C) increase in the diameter of a chamber of the heart caused by volume overload
D) increase in the thickness of a heart chamber because of chronic pressure overload
Q4) When you read a 12-lead ECG from left to right,the ECG tracing is continuous.
A)True
B)False
Q5) The coronary arteries originate at the base of the _____.
Q6) List six leads that view the heart in the frontal plane.
Page 11
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Chapter 10: Post-Test
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66 Verified Questions
66 Flashcards
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Sample Questions
Q1) Explain the meaning of the letters in aVR,aVL,and aVF.
Q2) Leads V<sub>4</sub>R,V<sub>5</sub>R,and V<sub>6</sub>R are used to view the posterior wall of the left ventricle.
A)True
B)False
Q3) A macroreentrant circuit is one that involves a small area of heart tissue,usually a few centimeters or less.
A)True
B)False
Q4) Lead III views the _____ wall of the left ventricle.
A) septal
B) inferior
C) posterior
D) lateral
Q5) Which of the following leads are anatomically contiguous?
A) II,V<sub>2</sub>
B) II,III,V<sub>3</sub>
C) I,V<sub>3</sub>,V<sub>4</sub>
D) V<sub>2</sub>,V<sub>3</sub>,V<sub>4</sub>
Q6) Describe the appearance of a pathologic Q wave.
Page 12
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