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Examen

Amca Ekg Exam 2026 – 200 Real Questions & Verified Answers | Ekg Technician Certification Test Bank

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Pass your AMCA EKG Technician Certification Exam with confidence using this complete test bank of 200 real exam questions and correct answers. Covering every core domain—cardiac anatomy and physiology (heart chambers, valves, coronary arteries (RCA, LAD, LCx), SA node as primary pacemaker, cardiac cycle, conduction system), EKG basics and lead placement (12-lead EKG: 6 limb leads (I, II, III, aVR, aVL, aVF) and 6 precordial leads (V1-V6), lead II recording (RA to LL), V1 placement (4th ICS right sternal border), V4 placement (5th ICS midclavicular line), RL electrode as ground, skin preparation (alcohol, dry skin), modifications for amputations, casts, and dextrocardia), normal EKG intervals and waves (P wave (atrial depolarization), PR interval (0.12-0.20 sec), QRS duration (0.12 sec), QT interval (hypocalcemia prolongs, hypercalcemia shortens), T wave (ventricular repolarization), U waves (hypokalemia), heart rate calculation (300 method for regular rhythms, 6-second method for irregular)), arrhythmia identification (sinus bradycardia (rate 60), sinus tachycardia (rate 100), atrial fibrillation (irregularly irregular, no P waves), atrial flutter (sawtooth flutter waves), supraventricular tachycardia (SVT/AVNRT, narrow QRS, rate 150-250, no visible P waves), premature atrial complexes (PACs), premature ventricular complexes (PVCs; bigeminy, trigeminy, quadrigeminy, couplets, runs, NSVT), ventricular tachycardia (wide QRS, rate 100, monomorphic vs. polymorphic), torsades de pointes, ventricular fibrillation, asystole, first-degree AV block (PR 0.20 sec), second-degree AV block Mobitz I (Wenckebach: progressive PR lengthening then dropped QRS), second-degree AV block Mobitz II (constant PR with intermittent dropped QRS), third-degree AV block (complete heart block, AV dissociation), idioventricular rhythm (wide QRS, rate 20-40), junctional escape rhythm (narrow QRS, rate 40-60, no P waves or inverted P waves), pacemaker rhythms (spikes, capture vs. failure to capture), and electrolyte effects (hyperkalemia: peaked T waves; hypokalemia: U waves; hypocalcemia: prolonged QT)), myocardial infarction patterns (ST elevation in STEMI: anterior (V1-V4), inferior (II, III, aVF), lateral (I, aVL, V5-V6); ST depression (subendocardial ischemia, NSTEMI); reciprocal changes), EKG artifact recognition and troubleshooting (wandering baseline from loose electrodes, somatic tremor (muscle artifact), 60-cycle AC interference (fine regular vertical lines), flatline in one lead (lead disconnect), patient movement, shivering, sweat), stress testing (maximum predicted heart rate: 220 minus age, stopping for ST elevation, hypotension, chest pain, dobutamine for pharmacologic stress), Holter and event monitoring (patient diary for symptoms), patient care and safety (two patient identifiers, informed consent, privacy, gloves for blood/fluid contact, avoiding electrodes over pacemaker/ICD generators, patient refusal rights), and clinical case scenarios integrating all topics—each question includes detailed rationales to reinforce clinical knowledge and exam readiness. Perfect for EKG technician students, cardiac monitor technicians, telemetry staff, and anyone preparing for the AMCA EKG Certification Exam.

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AMCA EKG EXAM 2026|ACTUAL EXAM

QUESTIONS AND ANSWERS|100%

VERIFIED|A+GRADE ASSURED

Q1. Which chamber of the heart receives deoxygenated blood

from the body via the superior and inferior vena cava?

a) Left atrium

b) Right atrium

c) Left ventricle

d) Right ventricle

Correct Answer: b) Right atrium

Rationale: The right atrium receives deoxygenated systemic blood

from the SVC and IVC. The left atrium receives oxygenated blood

from the lungs via pulmonary veins. Ventricles pump blood out.

Q2. The pacemaker cells of the heart are located primarily in

the:

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a) Atrioventricular (AV) node

b) Purkinje fibers

c) Sinoatrial (SA) node

d) Bundle of His

Correct Answer: c) Sinoatrial (SA) node

*Rationale: The SA node is the primary pacemaker, generating

electrical impulses at 60-100 bpm. AV node (40-60 bpm) and

Purkinje fibers (20-40 bpm) are latent pacemakers.*

Q3. Which structure conducts the electrical impulse from the atria

to the ventricles?

a) Bachmann's bundle

b) AV node and bundle of His

c) SA node

d) Internodal pathways

Correct Answer: b) AV node and bundle of His

Rationale: The AV node delays the impulse, then the bundle of His

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conducts it to the bundle branches and Purkinje fibers. Bachmann's

bundle conducts interatrial signals.

Q4. The P wave on an EKG represents:

a) Ventricular depolarization

b) Atrial depolarization

c) Ventricular repolarization

d) Atrial repolarization

Correct Answer: b) Atrial depolarization

Rationale: P wave = atrial depolarization (contraction). QRS

complex = ventricular depolarization. T wave = ventricular

repolarization. Atrial repolarization is hidden by QRS.

Q5. Which coronary artery supplies the sinoatrial (SA) node in

most people?

a) Right coronary artery (RCA)

b) Left anterior descending (LAD)

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c) Left circumflex (LCx)

d) Posterior descending artery (PDA)

Correct Answer: a) Right coronary artery (RCA)

Rationale: The RCA supplies the SA node in approximately 60% of

people (right dominant circulation). The LCx supplies the SA node

in the other 40%.

Q6. The normal PR interval duration is:

a) 0.12-0.20 seconds (3-5 small boxes)

b) 0.04-0.10 seconds (1-2.5 small boxes)

c) 0.20-0.40 seconds (5-10 small boxes)

d) 0.08-0.12 seconds

Correct Answer: a) 0.12-0.20 seconds (3-5 small boxes)

*Rationale: PR interval measures AV conduction time. Each small

box = 0.04 sec. Prolonged PR >0.20 sec suggests first-degree

AV block.*

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Subido en
2 de junio de 2026
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