Medical Knowledge Diagnostic Procedures & Imaging

Question 1

What does an electrocardiogram (ECG/EKG) primarily measure?

Accepted Answer

Electrical activity of the heart

Answer

Blood pressure and vascular resistance

Answer

Oxygen saturation of the blood

Answer

Cardiac enzyme levels in the blood

Question 2

Which imaging modality does NOT use ionizing radiation to create images?

Accepted Answer

Magnetic Resonance Imaging (MRI)

Answer

Computed Tomography (CT) scan

Answer

Chest X-ray

Answer

Nuclear medicine bone scan

Question 3

What is the normal resting heart rate range for a healthy adult?

Accepted Answer

60–100 beats per minute

Answer

40–60 beats per minute

Answer

100–120 beats per minute

Answer

50–80 beats per minute

Question 4

Which laboratory tests are most commonly used to evaluate renal (kidney) function?

Accepted Answer

Serum creatinine and blood urea nitrogen (BUN)

Answer

Alanine aminotransferase (ALT) and AST

Answer

Prothrombin time (PT) and INR

Answer

Serum amylase and lipase

Question 5

What does a Complete Blood Count (CBC) primarily assess?

Accepted Answer

Red blood cells, white blood cells, and platelets

Answer

Electrolyte levels and acid-base balance

Answer

Liver enzyme concentrations

Answer

Blood glucose and insulin levels

Question 6

Which imaging modality provides the best soft tissue evaluation for structures such as tendons and ligaments?

Accepted Answer

Magnetic Resonance Imaging (MRI)

Answer

Plain X-ray radiograph

Answer

Computed Tomography (CT) scan

Answer

Technetium bone scan

Question 7

What is the primary diagnostic purpose of urinalysis?

Accepted Answer

To assess kidney function and detect urinary tract abnormalities

Answer

To measure serum electrolyte imbalances

Answer

To evaluate liver enzyme and bilirubin levels

Answer

To screen for cardiovascular disease markers