Advanced Anatomy Lab 4 : Arteries and Veins Exam Questions and Answers With complete solution–Expert Verified | Latest Questions 2025

Advanced Anatomy Lab 4 : Arteries and Veins Exam Questions and Answers
With complete solution–Expert Verified | Latest Questions 2025




What is the posterior intercostal arteries branches of?: Thoracic aorta


What is the first 2 posterior intercostal arteries branches of?: Superior intercostal


artery from the costocervical trunk

What does the posterior intercostal arteries supply?: Posterior and lateral walls of the


thorax

What are the anterior intercostal arteries branches of?: Internal thoracic arteries


What do anterior intercostal arteries supply?: Anterior thoracic wall and medial breast


What are the branches of the subclavian artery?: Costocervical trunk, 1st posterior intercostal


artery, 2nd posterior intercostal artery, internal thoracic artery

What does the posterior intercostal vein drain?: Posterior and lateral thoracic walls


What does the 1st posterior intercostal vein drain into?: The brachiocephalic vein or the


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, vertebral vein

What does the right posterior intercostal vein drain into?: Azygos vein



What do the 2nd and 3rd (sometimes 4th) right posterior intercostal veins


drain into?: Right superior intercostal vein


What does the right superior intercostal vein drain into?: Azygos vein



What do the 2nd and 3rd (sometimes 4th) left posterior intercostal veins


drain into?: Either the left superior intercostal vein or the accessory hemiazygos vein


What does the left superior intercostal vein drain into?: Left brachiocephalic trunk


Where do the middle (4th-8th) left posterior intercostal veins drain into?: Ac-


cessory hemiazygos vein

What does the accessory hemiazygos vein drain into?: Azygos vein


What do the lower (9th-11th) left posterior intercostal veins drain into?: Hemi-


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