Emergency Medical Technician (EMT) Training
Review Questions
Course Introduction
Emergency Medical Technician (EMT) Training is an intensive course designed to equip students with the essential knowledge and hands-on skills necessary for providing pre-hospital emergency medical care. Covering foundational topics such as patient assessment, airway management, trauma response, cardiac emergencies, and basic life support, the course prepares participants to respond effectively to a wide range of medical crises. Through a combination of classroom instruction, practical skill labs, and field experiences, students learn to operate medical equipment, administer CPR, and work collaboratively within ambulance teams. Upon successful completion, students will be eligible to sit for the national EMT certification exam, paving the way for a career in emergency medical services.
Recommended Textbook
EKG Plain and Simple 3rd Edition by Karen Ellis RN
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Chapter 1: Coronary Anatomy and Physiology
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Sample Questions
Q1) The heart valve found at the opening of the pulmonary artery is the A)Aortic valve.
B)Tricuspid valve.
C)Mitral valve.
D)Pulmonic valve.
Answer: D
Q2) The top of the heart where the great vessels emerge is the A)Apex. B)Base.
C)Chordae tendonae.
D)Tricuspid valve.
Answer: B
Q3) The pericardium is a double-walled sac that encloses the heart and serves as support and protection.
A)True
B)False
Answer: True
Q4) The _____ is the chamber that receives blood from the superior and inferior venae cavae.
Answer: Right atrium
Page 3
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Chapter 2: Electrophysiology
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Sample Questions
Q1) +20 mV is the
A)Resting transmembrane potential.
B)Transmembrane potential at the conclusion of phase 3 of the action potential.
C)Transmembrane potential at the conclusion of phase 0 of the action potential.
D)Transmembrane potential at the beginning of cardiac rest.
Answer: C
Q2) The PR segment is a flat line located between the QRS complex and the T wave.
A)True
B)False
Answer: False
Q3) Which of the following characteristics of heart cells is mechanical?
A)Automaticity
B)Contractility
C)Excitability
D)Conductivity
Answer: B
Q4) The baseline is a flat line from which the waves and complexes take off.
A)True
B)False
Answer: True
Page 4
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Chapter 3: Lead Morphology and Placement
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Sample Questions
Q1) It is abnormal for the QRS to be negative in AVR.
A)True
B)False
Answer: False
Q2) Einthoven's triangle is formed by joining leads I,II,and III at their ends.
A)True
B)False
Answer: True
Q3) The "father of electrocardiography" is _____. Answer: Einthoven
Q4) AVL has its positive pole on the
A)Left arm.
B)Right leg.
C)Right arm.
D)Left leg.
Answer: A
Q5) Lead AVR's positive electrode is located on the _____. Answer: Right arm
Q6) In the precordial leads,we look at current flow in the _____ plane. Answer: Horizontal
Page 5
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Chapter 4: Technical Aspects of the Ekg
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Sample Questions
Q1) The "gain" setting on the EKG machine is concerned with A)The amplitude of the waves and complexes.
B)The size of the patient.
C)Einthoven's law.
D)Electrical conduction through the bundle branches.
Q2) Life-threatening dysrhythmias will cause symptoms of decreased cardiac output.
A)True
B)False
Q3) The artifact caused by the jiggling of wires during toothbrushing is called
A)CPR artifact.
B)"Toothbrush asystole."
C)PVCs.
D)"Toothbrush Tachycardia."
Q4) Sixty-cycle interference is commonly caused by A)Patient movement.
B)Respirations.
C)Lotion on the skin interfering with the signal.
D)Electrical interference.
Q5) If artifact is seen in leads I,III,and AVL,you should direct your corrective efforts to which limb or limbs? _____.
Page 6
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Chapter 5: Calculating Heart Rate
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Sample Questions
Q1) If the QRS complexes are all 50 little blocks apart,the heart rate is _____.
Q2) A regular rhythm is one in which the R-R intervals
A)Vary by only one or two little blocks.
B)Do not vary at all.
C)Are the same as the P-P intervals.
D)Are interrupted by premature beats.
Q3) Which of the following is NOT a method of calculating heart rate?
A)The six-second strip method.
B)The little block method.
C)The memory method.
D)The P-P interval method.
Q4) The mean rate is calculated by
A)Counting the number of P waves in a minute-long rhythm strip.
B)Counting the number of QRS complexes in a minute-long rhythm strip.
C)Counting the number of QRS complexes on a six-second strip and multiplying by 10.
D)Counting the number of P waves on a six-second strip and multiplying by 10.
Q5) A regular rhythm is one in which _____.
Q6) If the QRS complexes are all 15 little blocks apart,the heart rate is _____.
Q7) Heart rate is the same as _____ rate.
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Chapter 6: How to Interpret a Rhythm Strip
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Sample Questions
Q1) A rhythm with a heart rate greater than 100 is a tachycardia.
A)True
B)False
Q2) An abnormal rhythm is called a dysrhythmia.
A)True
B)False
Q3) Sinus rhythms should have narrow QRS complexes of uniform shape.
A)True
B)False
Q4) The normal PR interval in sinus rhythm should be _____.
Q5) Normal QRS complexes should have a QRS complex
A)Less than 0.20 seconds wide.
B)Less than 0.12 seconds wide.
C)Between 0.12 and 0.20 seconds wide.
D)That is alternately narrow and wide.
Q6) A heart rate less than 60 is said to be a
A)Tachycardia.
B)Bradycardia.
C)Tachyarrhythmia.
D)Bundle branch block.
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Chapter 7: Rhythms Originating in the Sinus Node
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Sample Questions
Q1) Atropine is the drug of choice to treat sinus tachycardia.
A)True
B)False
Q2) Patients with a heart rate of 45 always show symptoms of decreased cardiac output.
A)True
B)False
Q3) Sinus tachycardia's heart rate is
A)60-100.
B)Greater than 100.
C)Less than 60.
D)Greater than 170.
Q4) Oxygen can help return an abnormal heart rhythm to normal.
A)True
B)False
Q5) The heart rate during sinus bradycardia is greater than 100.
A)True
B)False
Q6) _____ is a rhythm with a heart rate greater than 100.
Q7) In sinus rhythms,the QRS complexes should have an interval of _____.
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Chapter 8: Rhythms Originating in the Atria
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Sample Questions
Q1) Wandering atrial pacemaker is a medical emergency.
A)True
B)False
Q2) Wandering atrial pacemaker has at least _____ different shapes of P waves.
Q3) An ectopic rhythm is one which originates in a location other than the sinus node.
A)True
B)False
Q4) Atrial flutter is almost always seen in patients with A)Thyrotoxicosis.
B)Acute heart attacks.
C)Heart disease.
D)Cardiac arrest.
Q5) Multifocal atrial tachycardia is an irregular rhythm with a heart rate greater than 100.
A)True B)False
Q6) Flutter waves are often described as sawtooth- or picket-fence-shaped waves.
A)True
B)False
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Chapter 9: Rhythms Originating in the Av Junction
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Sample Questions
Q1) A junctional rhythm with a heart rate of 125 is called
A)Junctional bradycardia.
B)Junctional rhythm.
C)Accelerated junctional rhythm.
D)Junctional tachycardia.
Q2) "Antegrade" means backwards.
A)True
B)False
Q3) Junctional rhythms originate in the
A)Sinoatrial junction.
B)Atrioventricular junction.
C)Sinoventricular junction.
D)Sinus node junction.
Q4) Junctional bradycardia must have a heart rate less than 20.
A)True
B)False
Q5) Junctional tachycardia is best called SVT if there are no _____ P waves.
Q6) Electrical shock is used to treat frequent PJCs.
A)True
B)False
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Chapter 10: Rhythms Originating in the Ventricles
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Sample Questions
Q1) Multifocal PVCs are those that
A)Have different shaped P waves preceding them.
B)Have different shaped QRS complexes.
C)Come from the same focus.
D)Resemble each other.
Q2) PVCs are premature beats from the ventricle.
A)True
B)False
Q3) Two consecutive PVCs are called a _____.
Q4) P wave asystole differs from asystole in that P wave asystole has P waves;asystole is _____.
Q5) Accelerated idioventricular rhythm has a heart rate between _____.
Q6) Idioventricular rhythm is usually a result of usurpation.
A)True
B)False
Q7) Ventricular fibrillation has
A)No P waves or QRS complexes.
B)P waves but no QRS complexes.
C)QRS complexes but no T waves.
D)P waves and QRS complexes.
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Chapter 11: Av Blocks
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Sample Questions
Q1) In first-degree AV block,the site of the block is the
A)Sinus node.
B)AV node.
C)Interatrial tracts.
D)Bundle branches.
Q2) 2:1 AV block can be either
A)Third-degree AV block or Wenckebach.
B)Wenckebach or Mobitz II second-degree AV block.
C)First-degree AV block or Wenckebach.
D)Mobitz II second-degree AV block or third-degree AV block.
Q3) In third-degree AV block,if the block is at the AV node,
A)The QRS will be wide and bizarre.
B)The P waves will be tall and pointy.
C)The QRS will be narrow.
D)There will be no P waves.
Q4) The origin of the P waves in AV blocks is the _____.
Q5) The type of heart block that involves a prolonged PR interval and no dropped beats is Mobitz II second-degree AV block.
A)True
B)False
Page 13
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Chapter 12: How to Interpret a 12-Lead Ekg
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Sample Questions
Q1) Low voltage EKGs can be caused by ALL BUT which of the following?
A)Obesity
B)Thyroid gland malfunction
C)Emphysema
D)Hypertension
Q2) If lead I and AVF both have negative QRS complexes,the axis is _____.
Q3) Which of the following is a criterion for a diagnosis of BBB?
A)P wave wider than the QRS
B)Heart rate greater than 100
C)More P waves than QRS complexes
D)QRS of 0.12 seconds or greater
Q4) Left axis deviation is between
A)0 and +90 degrees.
B)0 and -90 degrees.
C)+90 and \(\pm\)180 degrees.
D)-90 and \(\pm\)180 degrees.
Q5) If the heart's current originates in the left ventricle and travels upward to the right,there would be right axis deviation.
A)True
B)False
Page 14
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Chapter 13: Myocardial Infarction
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Sample Questions
Q1) Which of the following is indicative of myocardial injury?
A)ST elevation
B)ST depression
C)Significant Q wave
D)Inverted T wave
Q2) Hyperacute changes of an MI are those seen in the MI's earliest stages.
A)True
B)False
Q3) What color is an injured tissue?
A)Pale whitish
B)Black
C)Bluish
D)Bright red
Q4) The normal T wave is tall and pointy.
A)True
B)False
Q5) A _____ MI is seen as a mirror image of an anterior MI.
Q6) ST elevation indicates ischemia.
A)True
B)False
Page 15
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Chapter 14: Medications and Electrical Therapy
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Sample Questions
Q1) Which combination of medications would be appropriate to use for the patient in asystole?
A)Atropine and lidocaine
B)Epinephrine and amiodarone
C)Verapamil and digitalis
D)Atropine and epinephrine
Q2) Mr.Jacob had a permanent DDD pacemaker implanted a few days ago.Today,he cardiac arrested and died.What happens to the pacemaker when the patient is deceased?
A)The pacemaker battery fires at a slower rate for a few days,then stops.
B)Nothing happens-the patient can't die with a pacemaker in place.
C)The pacemaker stops automatically at the patient's death.
D)The pacemaker battery continues to fire at its programmed rate until the battery runs out.
Q3) Which of the following would NOT be an indication for a pacemaker?
A)Idioventricular rhythm
B)Sinus rhythm
C)Third-degree AV block
D)Mobitz II second-degree AV block
Q4) The third letter of the pacemaker code refers to the _____.
Page 16
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Chapter 15: Diagnostic Electrocardiography
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Q1) Which of the following is an absolute contraindication to stress testing?
A)Myocardial infarction less than 48 hours old
B)Mild to moderate aortic stenosis
C)Uncontrolled tachyarrhythmias or bradyarrhythmias
D)Electrolye abnormalities
Q2) Chronotropic incompetence is the inability of the heart to increase its rate with exercise.
A)True
B)False
Q3) A positive stress test implies that _____ is present.
Q4) If the stress test is negative and the angiogram reveals normal coronary arteries,the stress test is said to have been a
A)True positive.
B)False positive.
C)True negative.
D)False negative.
Q5) A true positive stress test is one in which the stress test is _____ and the angiogram is _____.
Q6) Thallium-201 enters the heart in much the same way as the ion _____.
Q7) Bayes' Theorem is concerned with the _____ of stress test results.
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