Texas Cardiovascular Technologist Exam
With Actual Questions & Verified
Answers, Plus Explained
Rationales/Expert Verified For
Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. The primary pacemaker of the heart is located in the:
A. AV node
B. Bundle of His
C. SA node
D. Purkinje fibers
Rationale: The sinoatrial (SA) node initiates electrical impulses, setting
the heart's rhythm.
2. The most common site for arterial catheterization for coronary
angiography is the:
A. Femoral artery
B. Radial artery
C. Femoral vein
D. Brachial artery
Rationale: The femoral artery is frequently used due to its size and
accessibility for catheter-based procedures.
3. During echocardiography, the structure that separates the right
and left atria is the:
, A. Interventricular septum
B. Interatrial septum
C. Tricuspid valve
D. Mitral valve
Rationale: The interatrial septum separates the right and left atria.
4. Which of the following is the most sensitive indicator of
myocardial ischemia on an ECG?
A. ST-segment elevation
B. T-wave inversion
C. ST-segment depression
D. Q-wave formation
Rationale: ST-segment depression is a sensitive marker of
subendocardial ischemia.
5. Which imaging modality uses sound waves to produce real-time
images of the heart?
A. MRI
B. CT
C. Ultrasound (Echocardiography)
D. Nuclear imaging
Rationale: Echocardiography uses high-frequency sound waves to
visualize cardiac structures.
6. A normal ejection fraction (EF) is:
A. 20–35%
B. 40–50%
C. 55–70%
D. 75–85%
Rationale: Normal left ventricular ejection fraction is typically
between 55% and 70%.
, 7. Which of the following medications is commonly used to treat
acute myocardial infarction?
A. Aspirin
B. Furosemide
C. Atorvastatin
D. Metoprolol
Rationale: Aspirin inhibits platelet aggregation and is standard in
acute MI management.
8. The most common congenital heart defect in adults is:
A. Tetralogy of Fallot
B. Pulmonary stenosis
C. Atrial septal defect (ASD)
D. Transposition of the great arteries
Rationale: ASD often goes undetected in childhood and can persist
into adulthood.
9. Which of the following waveforms corresponds to ventricular
depolarization on an ECG?
A. P wave
B. QRS complex
C. T wave
D. U wave
Rationale: The QRS complex represents ventricular depolarization.
10. During a stress echocardiogram, the purpose of
administering dobutamine is to:
A. Sedate the patient
B. Lower blood pressure
C. Increase heart rate and myocardial contractility
D. Dilate coronary arteries
With Actual Questions & Verified
Answers, Plus Explained
Rationales/Expert Verified For
Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. The primary pacemaker of the heart is located in the:
A. AV node
B. Bundle of His
C. SA node
D. Purkinje fibers
Rationale: The sinoatrial (SA) node initiates electrical impulses, setting
the heart's rhythm.
2. The most common site for arterial catheterization for coronary
angiography is the:
A. Femoral artery
B. Radial artery
C. Femoral vein
D. Brachial artery
Rationale: The femoral artery is frequently used due to its size and
accessibility for catheter-based procedures.
3. During echocardiography, the structure that separates the right
and left atria is the:
, A. Interventricular septum
B. Interatrial septum
C. Tricuspid valve
D. Mitral valve
Rationale: The interatrial septum separates the right and left atria.
4. Which of the following is the most sensitive indicator of
myocardial ischemia on an ECG?
A. ST-segment elevation
B. T-wave inversion
C. ST-segment depression
D. Q-wave formation
Rationale: ST-segment depression is a sensitive marker of
subendocardial ischemia.
5. Which imaging modality uses sound waves to produce real-time
images of the heart?
A. MRI
B. CT
C. Ultrasound (Echocardiography)
D. Nuclear imaging
Rationale: Echocardiography uses high-frequency sound waves to
visualize cardiac structures.
6. A normal ejection fraction (EF) is:
A. 20–35%
B. 40–50%
C. 55–70%
D. 75–85%
Rationale: Normal left ventricular ejection fraction is typically
between 55% and 70%.
, 7. Which of the following medications is commonly used to treat
acute myocardial infarction?
A. Aspirin
B. Furosemide
C. Atorvastatin
D. Metoprolol
Rationale: Aspirin inhibits platelet aggregation and is standard in
acute MI management.
8. The most common congenital heart defect in adults is:
A. Tetralogy of Fallot
B. Pulmonary stenosis
C. Atrial septal defect (ASD)
D. Transposition of the great arteries
Rationale: ASD often goes undetected in childhood and can persist
into adulthood.
9. Which of the following waveforms corresponds to ventricular
depolarization on an ECG?
A. P wave
B. QRS complex
C. T wave
D. U wave
Rationale: The QRS complex represents ventricular depolarization.
10. During a stress echocardiogram, the purpose of
administering dobutamine is to:
A. Sedate the patient
B. Lower blood pressure
C. Increase heart rate and myocardial contractility
D. Dilate coronary arteries
