Anatomy

Question 1

Supplies righ ventricle

Answer 1

Right acute marginal artery (from RCA)

Question 2

Supplies AV node

Answer 2

Posterior descending interventricular artery

Question 3

Supplies posteromedial papillary muscle

Answer 3

Posterior descending interventricular artery

Question 4

Supplies posterior 2/3 walls of ventricles

Answer 4

Posterior descending interventricular artery

Question 5

Supplies posterior 1/3 of interventricular septum

Answer 5

Posterior descending interventricular artery

Question 6

Supplies lateral and posterior walls of left ventricle

Answer 6

Left circumflex coronary artery

Question 7

Supplies anterolateral papillary muscle

Answer 7

Left circumflex coronary artery

Left anterior descending artery

Question 8

Supplies anterior 2/3 of interventricular septum

Answer 8

Left anterior descending artery

Question 9

Obtuse marginal artery

Answer 9

Left

Question 10

SA and AV nodes are supplied by branches of the

Answer 10

Right coronary artery

Question 11

Right dominant circulation

Answer 11

85%: PDA arises from RCA

Question 12

Most common type of circulation

Answer 12

Right dominant circulation

Question 13

Left-dominant circulation

Answer 13

8%=PDA arises from LCX

Question 14

Codominant circulation

Answer 14

7%= PDA arises from both LCX and RCA

Question 15

Coronary artery occlusion most commonly occours in the

Answer 15

Left anterior descending artery

Question 16

Coronary blood flow peaks in

Answer 16

Early diastole

Question 17

Symptoms of Left atrium enlargment

Answer 17

Dysphagia: compression of the esophagus
Hoarseness: compression of left recurrent laryngeal nerve

Question 18

Layers of pericardium (outside–> inside)

Answer 18

1. Fibrous pericardium
2. Serous pericardium:
   - Parietal layer
   - Visceral layer

Question 19

Pericardium is inervated by

Answer 19

Phrenic nerve

Question 20

Referred pain to shoulder

Answer 20

Pericarditis