Beginner Posterior Intercostal Arteries Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. What do posterior intercostal arteries primarily supply?
- Heart only
- Thoracic wall
- Kidneys
- Brain
Q2. How many pairs of posterior intercostal arteries are normally present?
- 9 pairs
- 12 pairs
- 11 pairs
- 7 pairs
Q3. Which posterior intercostal arteries arise directly from the thoracic aorta?
- All eleven pairs
- Third through eleventh
- First through fourth
- First and second only
Q4. The first two posterior intercostal arteries usually arise from which artery?
- Internal thoracic artery
- Thoracic aorta directly
- Supreme intercostal artery
- Pulmonary artery
Q5. The supreme intercostal artery is usually a branch of which trunk?
- Brachiocephalic vein
- Celiac trunk
- Pulmonary trunk
- Costocervical trunk
Q6. Where does a posterior intercostal artery run within an intercostal space?
- Pleural cavity
- Superior border of the sternum
- Costal groove
- Vertebral canal
Q7. Which vessels do posterior intercostal arteries anastomose with anteriorly?
- Coronary arteries
- Pulmonary arteries
- Renal arteries
- Anterior intercostal arteries
Q8. Posterior intercostal arteries are classified as which type of thoracic aortic branch?
- Coronary branches
- Parietal branches
- Terminal branches
- Visceral branches
Q9. Which muscles receive blood from posterior intercostal arteries?
- Intercostal muscles
- Muscles of mastication
- Intrinsic hand muscles
- Extraocular muscles
Q10. Which artery runs below the twelfth rib instead of within an intercostal space?
- Subcostal artery
- First posterior intercostal artery
- Internal thoracic artery
- Superior phrenic artery