anatomy

Question 1

what is the origin of the right coronary artery

Answer 1

anterior aortic sinus

Question 2

origin of left coronary artery

Answer 2

left posterior coronary sinus

Question 3

whiuch is the non coronary sinus

Answer 3

the right posterior coreonary sinus

Question 4

what is coronary artery dominance

Answer 4

Approximately 70% of the general population are right-dominant, 20% are co-dominant, and 10% are left-dominant.[3] A precise anatomic definition of dominance would be the artery which gives off supply to the AV node i.e. the AV nodal artery

Question 5

which papillary muscle is more resistant to ischaemia

Answer 5

the antero lateral is more resistant as it receives dual supply from lad and circumflex
the posteromedial is more suscedptible as it receives blood onlky from thepda

Question 6

venous drainage of thew foot

Answer 6

the foot is drained by the dorsal and plantar venous arch.they medially continue as bthe great saphenous vein anterior to the medial malleolus.ar the lateral end they continue as the short saphenous vein behind thye lateral maslleolus

Question 7

how is the popliteal vein formed

Answer 7

The venae commitantes of the tibial arteries combine in the leg to form the popliteal vein. This ascends into the popliteal fossa alongside the popliteal artery and enters the adductor hiatus in the inferior thigh, where it becomes the femoral vein.

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