Beginner Internal Thoracic Artery Branches Quiz

Q1. The internal thoracic artery arises from which major artery?

• Common carotid artery
• Brachial artery
• Axillary artery
• Subclavian artery

Q2. Which part of the breast receives an important arterial supply from branches of the internal thoracic artery?

• None of the breast
• Only the axillary tail
• Medial portion
• Only the lateral skin

Q3. Where does the internal thoracic artery descend?

• Along the posterior surface of the vertebral column
• Through the axilla
• Along the internal surface of the anterior thoracic wall
• Along the lateral border of the scapula

Q4. Which branches of the internal thoracic artery pass through intercostal spaces toward the skin and breast?

• Radial branches
• Ulnar branches
• Perforating branches
• Vertebral branches

Q5. Which branches of the internal thoracic artery run within the anterior parts of the intercostal spaces?

• Superior gluteal branches
• Anterior intercostal branches
• Posterior cerebral branches
• Deep brachial branches

Q6. The internal thoracic artery is located closest to which midline bone?

• Humerus
• Scapula
• Sternum
• Clavicle only

Q7. Which artery provides another major source of blood to the breast in addition to the internal thoracic artery?

• Popliteal artery
• Axillary artery
• Femoral artery
• Inferior mesenteric artery

Q8. Which internal thoracic artery branches are particularly important in supplying the medial breast?

• Renal branches
• Gonadal branches
• Cerebellar branches
• Perforating branches

Q9. The branches of the internal thoracic artery supplying the breast approach it primarily from which direction?

• Medial side
• Inferior abdominal wall only
• Upper limb only
• Posterior midline

Q10. Which statement best describes the role of the internal thoracic artery in breast circulation?

• It supplies the medial breast through perforating and intercostal branches
• It has no relationship to the breast
• It supplies only the upper limb
• It drains venous blood from the breast