Liver & Spleen Imaging Quiz (20 Questions)

What radiopharmaceutical is commonly used in liver-spleen imaging to assess Kupffer cell function?

• 99mTc-MAA

• 99mTc-sulfur colloid

• 99mTc-labeled RBCs

• 18F-FDG

Which liver cell type is primarily responsible for phagocytosis of foreign materials?

• Hepatocytes

• Sinusoidal endothelial cells

• Kupffer cells

• Bile duct cells

In a normal liver/spleen scan, what percentage of the tracer is typically taken up by the liver?

• 30-40%

• 50-60%

• 80-90%

• 100%

using 99mTc-labeled RBCs?

• No uptake

• Decreased perfusion

• Focal increased uptake

• Homogeneous distribution

What is the critical organ for 99mTc sulfur colloid imaging?

• Bone marrow

• Liver

• Lung

• Kidney

A lung shunt fraction of greater than what percentage typically contraindicates Y-90 therapy?

• 5%

• 10%

• 20%

• 30%

What is the function of Technetium-99m MAA in hepatic arterial mapping?

• Detect fatty infiltration

• Assess hepatic blood flow via portal vein

What is the primary function of hepatocytes?

• Store bile

• Filter red blood cells

• Phagocytosis

• Metabolize nutrients and produce bile

Tags

NGSS.HS-LS1-7

What structure separates the right and left lobes of the liver?

• Inferior vena cava

• Falciform ligament

• Hepatic artery

• Common bile duct

Which of the following is NOT a function of the liver?

• Digestion

• Vitamin storage

• Oxygen transport

• Detoxification