NMTCB Anatomy & Physiology for Nuclear Medicine

Question 1

Which coronary artery supplies the lateral wall of the left ventricle and is most commonly assessed in myocardial perfusion imaging?

Accepted Answer

Left circumflex artery (LCx)

Answer

Right coronary artery (RCA)

Answer

Left anterior descending (LAD)

Answer

Posterior descending artery (PDA)

Question 2

In a thyroid uptake study, which anatomical structure must be identified to ensure the probe is correctly positioned over the thyroid?

Accepted Answer

Thyroid cartilage (Adam's apple)

Answer

Hyoid bone

Answer

Sternal notch

Answer

Cricoid cartilage

Question 3

During a renal scan, tracer is seen accumulating in the renal pelvis with delayed drainage. Which anatomical structure is the likely site of obstruction?

Accepted Answer

Ureteropelvic junction (UPJ)

Answer

Renal cortex

Answer

Bladder trigone

Answer

Renal medulla

Question 4

Which lung lobe is located in the right lower zone and is supplied by the right lower lobe bronchus, commonly assessed in V/Q scans?

Accepted Answer

Right lower lobe

Answer

Right middle lobe

Answer

Right upper lobe

Answer

Lingula

Question 5

In hepatobiliary imaging, which sphincter controls bile flow from the common bile duct into the duodenum?

Accepted Answer

Sphincter of Oddi

Answer

Ileocecal valve

Answer

Pyloric sphincter

Answer

Cardiac sphincter

Question 6

In a bone scan, which anatomical region shows the highest normal physiologic uptake due to active red bone marrow in adults?

Accepted Answer

Axial skeleton (spine, pelvis, sternum)

Answer

Long bone diaphyses

Answer

Distal extremities

Answer

Cranial vault

Question 7

Which segment of the left ventricle corresponds to the apex and is primarily supplied by the left anterior descending (LAD) artery?

Accepted Answer

Apical region

Answer

Basal inferior wall

Answer

Basal lateral wall

Answer

Mid-inferior wall