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1. Which of the following is the most accurate method for
measuring blood pressure?
A. Palpation method
B. Auscultation method
C. Oscillometric device
D. Visual estimation
B. Auscultation method
Rationale: The auscultation method using a sphygmomanometer
and stethoscope is considered the gold standard for measuring
blood pressure accurately.
2. What is the normal range for adult resting heart rate?
A. 40–60 bpm
B. 60–100 bpm
C. 100–120 bpm
D. 120–140 bpm
,B. 60–100 bpm
Rationale: The normal adult resting heart rate is 60–100 beats per
minute. Bradycardia is <60 bpm, and tachycardia is >100 bpm.
3. Which electrode placement is correct for a standard Lead II
ECG?
A. RA to LA
B. RA to LL
C. LA to LL
D. V1 to V6
B. RA to LL
Rationale: Lead II records the electrical activity between the right
arm (RA) and left leg (LL), providing a clear view of the heart’s
rhythm.
4. The primary purpose of a stress test is to:
A. Measure blood pressure variability
B. Detect myocardial ischemia
C. Diagnose arrhythmias only
D. Evaluate pulmonary function
B. Detect myocardial ischemia
Rationale: Stress tests evaluate the heart’s response to exercise or
pharmacologic stress to identify areas of reduced blood flow or
ischemia.
5. Which of the following is a characteristic of atrial fibrillation?
A. Regular rhythm
B. Absent P waves
C. Prolonged PR interval
D. Wide QRS complexes
,B. Absent P waves
Rationale: Atrial fibrillation shows an irregularly irregular rhythm
with absent P waves due to disorganized atrial activity.
6. Which imaging modality is most appropriate for evaluating
coronary artery blockages?
A. Echocardiography
B. Cardiac CT angiography
C. MRI of the brain
D. Chest X-ray
B. Cardiac CT angiography
Rationale: Cardiac CT angiography provides detailed images of
coronary arteries and can detect stenosis or blockages.
7. In Doppler ultrasound, what does a red color typically indicate?
A. Blood flow toward the transducer
B. Blood flow away from the transducer
C. No blood flow
D. Turbulent flow
A. Blood flow toward the transducer
Rationale: In standard Doppler color coding, red indicates flow
toward the transducer, while blue indicates flow away.
8. Which valve is auscultated at the 2nd intercostal space, right
sternal border?
A. Tricuspid valve
B. Mitral valve
C. Aortic valve
D. Pulmonic valve
, C. Aortic valve
Rationale: The aortic valve is best auscultated at the 2nd intercostal
space, right sternal border.
9. A patient with shortness of breath and a loud S3 heart sound
most likely has:
A. Aortic stenosis
B. Heart failure
C. Mitral regurgitation
D. Pulmonary embolism
B. Heart failure
Rationale: An S3 gallop is commonly associated with volume
overload in heart failure.
10. The PR interval on an ECG represents:
A. Ventricular depolarization
B. Atrial depolarization
C. AV nodal delay
D. Ventricular repolarization
C. AV nodal delay
Rationale: The PR interval reflects the time between atrial
depolarization and ventricular depolarization, including AV node
conduction.
11. Which of the following is contraindicated during a
treadmill stress test?
A. Stable angina
B. Recent myocardial infarction
C. Controlled hypertension
D. Asymptomatic patient