Emergency Medical Technician (EMT) Training
Study Guide Questions
Course Introduction
The Emergency Medical Technician (EMT) Training course provides students with the foundational knowledge and practical skills necessary to respond to a variety of medical emergencies. Covering essential topics such as patient assessment, airway management, trauma care, cardiac emergencies, and basic life support, this course combines classroom instruction with hands-on practice in simulated emergency scenarios. Students will learn to operate within the scope of EMT responsibilities, communicate effectively in high-stress situations, and adhere to legal and ethical guidelines. Successful completion of this course prepares individuals for national certification and entry-level positions in the emergency medical services field.
Recommended Textbook
ECGs Made Easy 6th Edition by Barbara J Aehlert
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10 Chapters
507 Verified Questions
507 Flashcards
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Chapter 1: Anatomy and Physiology
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Sample Questions
Q1) A patient has a heart rate of 80 beats/min. His stroke volume is 70 mL/beat. Is his cardiac output normal, decreased, or increased?
Answer: Output is normal.
Stroke volume = 70 mL/beat
Heart rate = 80 beats/minute
SV * HR = CO
70 mL/beat * 80 beats/min = 5600 mL/min = 5.6 L/min
Cardiac output = normal (normal is between 4 and 8 L/min)
Q2) What effects can be expected from parasympathetic stimulation of the heart?
Answer: Parasympathetic stimulation has the following actions: it slows the rate of discharge of the SA node, slows conduction through the AV node, decreases the strength of atrial contraction, and can cause a small decrease in the force of ventricular contraction.
Q3) Which side of the heart is a low-pressure system that pumps venous blood to the lungs?
A) Left
B) Right
Answer: B
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3
Chapter 2: Basic Electrophysiology
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Sample Questions
Q1) The spread of an impulse through tissue already stimulated by that same impulse.
A)Ventricular
B)Atrial
C)Repolarization
D)Augmented
E)Reciprocal changes
F)Indicative changes
G)Reentry
H)Ectopic
I)Positive
J)Amplitude
K)Voltmeter
L)Supranormal
M)Electrolyte
Answer: G
Q2) List three causes of artifact on an ECG tracing.
Answer: Artifacts may be due to loose electrodes, broken wires or ECG cables, muscle tremor, patient movement, external chest compressions, or 60-cycle interference.
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Page 4
Chapter 3: Sinus Mechanisms
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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) Which of the following are possible causes of sinus tachycardia?
A) Hypothermia, hypovolemia
B) Hypoxia, calcium channel blocker overdose
C) Fever, pain, anxiety
D) Vomiting, vagal maneuvers
Answer: C
Q3) 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
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Page 5
Chapter 4: Atrial Rhythms
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Sample Questions
Q1) A wandering atrial pacemaker rhythm with a ventricular rate of 60 to 100/min may also be referred to as _____.
A) atrial flutter
B) atrial fibrillation
C) multifocal atrial tachycardia
D) multiformed atrial rhythm
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) Delivery of an electrical current timed for delivery during the QRS complex is called
Q4) The most common type of supraventricular tachycardia (SVT) is _____.
A) atrial tachycardia
B) atrial flutter
C) AV reentrant tachycardia (AVRT)
D) AV nodal reentrant tachycardia (AVNRT)
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Chapter 5: Junctional Rhythms
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Sample Questions
Q1) A(n) _____ pause often follows a PJC and represents the delay during which the SA node resets its rhythm for the next beat.
Q2) The usual rate of nonparoxysmal junctional tachycardia is _____ beats/min.
A) 50 to 80
B) 80 to 120
C) 101 to 140
D) 150 to 300
Q3) The AV junction consists of the AV node and the nonbranching portion of the bundle of His.
A)True
B)False
Q4) If seen, the P wave of a rhythm originating in the AV junction will appear _____ in lead II.
A) upright
B) inverted
C) tall and peaked
D) wide and notched
Q5) List four reasons why the AV junction may assume responsibility for pacing the heart.
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Chapter 6: Ventricular Rhythms
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Sample Questions
Q1) List four common causes of premature ventricular complexes.
Q2) List three potential sites of origin of ectopic beats.
Q3) Which of the following best describes an idioventricular rhythm?
A) Rapid, chaotic rhythm with no pattern or regularity
B) Gradual alteration in the amplitude and direction of the QRS; atrial rate indiscernible; ventricular rate 150 to 250 beats/min
C) Essentially regular ventricular rhythm with QRS complexes measuring 0.12 second or greater; atrial rate not discernible; ventricular rate 20 to 40 beats/min
D) Regular ventricular rhythm with QRS complexes measuring less than 0.10 second; P waves may occur before, during, or after the QRS; ventricular rate 40 to 60 beats/min
Q4) An idioventricular (ventricular escape) rhythm has an intrinsic rate of 40 to 60 beats/min.
A)True
B)False
Q5) What is the name given to polymorphic VT that occurs in the presence of a long QT interval?
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8
Chapter 7: Atrioventricular Blocks
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Sample Questions
Q1) In 2:1 AV block, the PR interval _____.
A) shortens
B) lengthens
C) is absent
D) remains constant
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) In second-degree AV block type I, the PR interval _____.
A) shortens
B) is absent
C) is inconstant
D) remains constant
Q4) A _____ bundle branch block produces a QS pattern in lead V<sub>1</sub>.
Q5) A _____ bundle branch block produces a RSR pattern in lead V<sub>1</sub>.
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Page 9
Chapter 8: Pacemaker Rhythms
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Sample Questions
Q1) 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
Q2) Your patient has a VVI pacemaker. Briefly explain the meaning of each of these letters.
Q3) Explain the benefits of a dual-chamber pacemaker.
Q4) A demand pacemaker is also known as a _____ pacemaker.
Q5) Describe what is meant by the term overdrive pacing.
Q6) A(n) __________ is a vertical line on the ECG that indicates the artificial pacemaker has discharged.
Q7) Explain the difference between electrical capture and mechanical capture.
Q8) 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
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Chapter 9: Introduction to the 12-Lead Electrocardiogram
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Sample Questions
Q1) A standard 12-lead ECG provides views of the heart in _____.
A) the frontal plane only
B) the sagittal plane only
C) the horizontal plane only
D) both the frontal and the horizontal planes
Q2) List the ECG leads that view the heart in the horizontal plane, allowing a view of the front and left side of the heart.
Q3) Indicative ECG changes observed in leads V , V , V , and V suggest that the _____ wall of the _____ ventricle is affected.
A) posterior; right
B) anteroseptal; left
C) inferolateral; left
D) anterolateral; right
Q4) An abnormal (i.e., pathologic) Q wave indicates the presence of dead myocardial tissue.
A)True
B)False
Q5) The coronary arteries originate at the base of the _____.
Q6) What two factors determine the portion of the heart that each lead "sees"?
Page 11
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Chapter 10: Posttest
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Sample Questions
Q1) Which of the following are chest leads?
A) Leads I and aVL
B) Leads I, II, and III
C) Leads
V<sub>1</sub>, V<sub>2</sub>, V<sub>3</sub>, V<sub>4</sub>, V<sub>5</sub>, V<sub>6</sub>
D) Leads I, II, III, aVR, aVL, and aVF
Q2) List five signs or symptoms of decreased cardiac output.
Q3) _____ is a term used to describe the period of recovery that cells need after being discharged before they are able to respond to a stimulus.
A) Irritability
B) Polarization
C) Conductivity
D) Refractoriness
Q4) Which of the following are chest leads?
A) Leads I, II, and III
B) Leads I and aVL
C) Leads
V<sub>1</sub>, V<sub>2</sub>, V<sub>3</sub>, V<sub>4</sub>, V<sub>5</sub>, and V<sub>6</sub>
D) Leads I, II, III, aVR, aVL, and aVF
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