Respiratory Therapy Practice Exam
Course Introduction
Respiratory Therapy is a comprehensive course designed to provide students with the foundational knowledge and practical skills necessary to assess, treat, and manage patients with cardiopulmonary disorders. The curriculum covers essential topics such as airway management, mechanical ventilation, respiratory pharmacology, pulmonary rehabilitation, and patient assessment techniques. Through a combination of classroom instruction, laboratory exercises, and clinical experiences, students develop proficiency in using modern respiratory equipment and applying evidence-based interventions to enhance patient outcomes in diverse healthcare settings. This course also emphasizes critical thinking, ethical considerations, and interprofessional collaboration, preparing graduates for professional roles as respiratory therapists in hospitals, clinics, and home care environments.
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 Page 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 anterior surface of the heart consists primarily of the _____.
A) left atrium
B) right atrium
C) left ventricle
D) right ventricle
Answer: D
Q2) Define atrial kick.
Answer: At the end of ventricular diastole,both atria simultaneously contract to eject 10% to 30% more blood into the ventricles.
Q3) The left main coronary artery divides into the _____ branches.
A) marginal and circumflex
B) marginal and anterior descending
C) anterior and posterior descending
D) anterior descending and circumflex
Answer: D
Q4) Stimulation of beta-adrenergic receptor sites will result in peripheral vasoconstriction.
A)True
B)False
Answer: False
Page 3
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Chapter 2: Basic Electrophysiology
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66 Verified Questions
66 Flashcards
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Sample Questions
Q1) The period during the cardiac cycle when cells cannot respond to a stimulus,no matter how strong,is called the _____ period.
A) depolarized
B) supranormal
C) relative refractory
D) absolute refractory
Answer: D
Q2) Which part of the conduction system receives an impulse from the bundle of His and relays it to the Purkinje fibers?
A) SA node
B) AV node
C) Right and left atria
D) Right and left bundle branches
Answer: D
Q3) A line between waveforms is called a(n)_____.
Answer: segment
Q4) List four major electrolytes that influence cardiac function.
Answer: Sodium,potassium,calcium,and chloride
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Chapter 3: Sinus Mechanisms
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45 Verified Questions
45 Flashcards
Source URL: https://quizplus.com/quiz/7001
Sample Questions
Q1) Management of a patient with a sinus tachycardia might include _____.
A) identification and treatment of the underlying cause
B) administration of atropine
C) use of a pacemaker
D) vagal maneuvers,such as carotid sinus pressure
Answer: A
Q2) An ECG rhythm strip shows a ventricular rate of 46 bpm,a regular rhythm,a PR interval of 0.14 seconds,a QRS duration of 0.06 seconds,and one upright P wave before each QRS.This rhythm is _____.
A) sinus rhythm
B) sinus bradycardia
C) sinus arrest
D) sinoatrial block
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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Chapter 4: Atrial Rhythms
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60 Verified Questions
60 Flashcards
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Sample Questions
Q1) Delivery of an electrical current timed for delivery during the QRS complex is called defibrillation.
A)True
B)False
Q2) A 77-year-old woman is complaining of a sudden onset of palpitations.The cardiac monitor reveals atrial fibrillation with a ventricular response of 144 to 210 beats/min while the patient is at rest.In this situation,the ventricular rate associated with this rhythm is considered to be _____.
A) controlled
B) uncontrolled
Q3) Sometimes,when a premature atrial complex (PAC)occurs very prematurely and close to the T wave of the preceding beat,only a P wave may be seen with no QRS after it (appearing as a pause).This type of PAC is termed a _____ PAC.
Q4) In atrial fibrillation,fibrillatory waves are referred to as f waves.
A)True B)False
Q5) Individuals with preexcitation syndrome are predisposed to tachydysrhythmias.
A)True
B)False
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Chapter 5: Junctional Rhythms
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51 Verified Questions
51 Flashcards
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Sample Questions
Q1) Indicate the ventricular rates for each of the following junctional dysrhythmias:
A Junctional bradycardia ________________________________
B. Junctional tachycardia_________________________________
C. Accelerated junctional__________________________________ rhythm
D. Junctional rhythm____________________________________
Q2) In a junctional rhythm viewed in lead II,where is the location of the P wave on the ECG if atrial depolarization precedes ventricular depolarization?
A) Before the QRS complex
B) During the QRS complex
C) After the QRS complex
Q3) A(n)_____ pause often follows a PJC and represents the delay during which the SA node resets its rhythm for the next beat.
Q4) Adenosine is the drug of choice when treating a symptomatic patient with a junctional rhythm at a rate of 40 beats/min.
A)True
B)False
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Chapter 6: Ventricular Rhythms
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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) The term premature ventricular complex is technically more correct than premature ventricular contraction.
A)True
B)False
Q3) What is meant by the term pulseless electrical activity (PEA)?
A) A chaotic rhythm that is likely to degenerate into cardiac arrest
B) An organized rhythm on the cardiac monitor (other than VT),although a pulse is not present
C) A slow rhythm with a wide QRS complex
D) A flat line on the cardiac monitor
Q4) List three potential sites of origin of ectopic beats.
Q5) What is the name given to polymorphic VT that occurs in the presence of a long QT interval?
Q6) List four common causes of premature ventricular complexes.
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Chapter 7: Heart Blocks
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Sample Questions
Q1) Complete the following ECG criteria for third-degree AV block:
Q2) In 2:1 AV block,_____.
A) the atrial rhythm (P-P interval)is regular
B) the ventricular rhythm (R-R interval)is irregular
C) the PR interval lengthens until a P wave appears with no QRS complex
D) there is no PR interval because the atria and ventricles beat independently of each other
Q3) The ventricular rhythm is regular in second-degree AV block type I.
A)True
B)False
Q4) Second-degree AV block type I is characterized by _____ intervals.
A) irregular P to P
B) regular R to R
C) regular P to P intervals and irregular R to R
D) irregular P to P intervals and irregular R to R
9
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Chapter 8: Pacemaker Rhythms
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Sample Questions
Q1) A demand pacemaker is also known as a _____ pacemaker.
Q2) A(n)_____ _____ is a vertical line on the ECG that indicates the artificial pacemaker has discharged.
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) Your patient has a VVI pacemaker.Briefly explain the meaning of each of these letters.
Q5) Explain the difference between electrical capture and mechanical capture.
Q6) Describe what is meant by the term overdrive pacing.
Q7) Explain the benefits of a dual-chamber pacemaker.
Q8) The first letter of the pacemaker identification code represents _____.
A) the chamber sensed
B) the chamber paced
C) the mode of response
D) programmable functions
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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) Where should the positive electrode for lead V<sub>5</sub> be positioned?
A) Right side of the sternum,fourth intercostal space
B) Left midaxillary line at the same level as V<sub>4</sub>
C) Left side of the sternum,fourth intercostal space
D) Left anterior axillary line at the same level as V<sub>4</sub>
Q2) When reviewing a 12-lead ECG,intervals and duration are usually expressed in
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) List the ECG leads that view the heart in the horizontal plane,allowing a view of the front and left side of the heart.
Q5) Placement of right chest leads is identical to the standard chest leads except on the right side of the chest.
A)True
B)False
Q6) Describe the appearance of a pathologic Q wave.
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) In an adult,the normal duration of the QRS complex is _____ seconds.
A) 0.12 to 0.20
B) 0.06 to 0.11
C) 0.04 to 0.14
D) 0.20 to 0.38
Q2) Describe the appearance of a pathologic Q wave.
Q3) 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
Q4) The left atrium receives blood from the _____.
A) aorta
B) pulmonary veins
C) pulmonary arteries
D) inferior vena cava
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>
Page 12
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