Advanced Posterior Intercostal Arteries Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. Which branches of posterior intercostal arteries contribute to spinal cord blood supply?
- Collateral branches only
- Spinal branches
- Lateral cutaneous branches
- Musculophrenic branches
Q2. Through which opening do spinal branches enter the vertebral canal?
- Aortic hiatus
- Esophageal hiatus
- Intervertebral foramina
- Jugular foramen
Q3. Which major spinal artery may arise from a posterior intercostal artery?
- Artery of Adamkiewicz
- Basilar artery
- Middle cerebral artery
- Ophthalmic artery
Q4. The artery of Adamkiewicz most commonly arises on which side?
- Right
- Always bilateral
- Midline only
- Left
Q5. Why are posterior intercostal arteries important during thoracic aortic surgery?
- They form the pulmonary trunk
- They may supply the spinal cord
- They drain the lungs
- They supply the coronary sinus
Q6. Interruption of a major segmental medullary artery can cause which complication?
- Retinal detachment
- Mitral stenosis
- Portal hypertension
- Spinal cord ischemia
Q7. Why is a needle generally placed just superior to a rib during thoracentesis?
- To avoid the diaphragm in every space
- To puncture the intercostal artery
- To reduce injury to the main neurovascular bundle
- To enter the vertebral canal
Q8. Why does placing a needle just above a rib not eliminate all vascular risk?
- Collateral vessels remain nearby
- Coronary arteries enter each space
- Pulmonary arteries follow each rib
- The aorta lies in every costal groove
Q9. Which arteries can enlarge as collateral pathways in aortic coarctation?
- Coronary veins
- Intercostal arteries
- Hepatic arteries only
- Pulmonary veins
Q10. What radiographic change may enlarged intercostal arteries cause in aortic coarctation?
- Clavicular erosion
- Sternal fracture
- Superior rib fusion
- Inferior rib notching