CARDIO

Question 1

What are the two anatomic divisions of the pericardium

Answer 1

1. Serous pericardium (made of visceral epicardial layer and parietal layer)
2. Fibrous pericardium

Question 2

Which nerve lies between the fibrous pericardium and mediastinal pleura

Answer 2

Phrenic nerve (runs with pericardiophrenic vessels)

Question 3

Name the chamber of the heart associated with the sternocostal surface

Answer 3

Right atrium

Question 4

Name the chamber of the heart associated with the posterior surface (base)

Answer 4

Left atrium

Question 5

Name the chamber of the heart associated with the diaphragmatic surface

Answer 5

Right and left ventricles

Question 6

Name the chamber of the heart associated with the pulmonary surface and apex

Answer 6

Left ventricle

Question 7

Name the structure the composes the right border of the heart

Answer 7

Right atrium

Question 8

Name the structure that composes the left border of the heart

Answer 8

Left ventricle, left auricle

Question 9

Name the structure that composes the inferior border of the heart

Answer 9

Right ventricle

Question 10

Name the structure that composes the superior border of the heart

Answer 10

Right and left auricles, great vessels

Question 11

Name the major artery that commonly supplies the right atrium and right ventricle

Answer 11

RCA

Question 12

Name the major artery that commonly supplies the SA node and AV node

Answer 12

RCA

Question 13

Name the major artery that commonly supplies the left atrium and left ventricle

Answer 13

LCA

Question 14

Name the major artery that commonly supplies the interventricular septum:

1. Anterior 2/3
2. Posterior 1/3

Answer 14

1. Left anterior descending

2. Posterior interventricular artery

Question 15

Which artery determines dominance of cardiac blood supply

Answer 15

Posterior interventricular artery

Question 16

What are the most common sites for coronary occlusion

Answer 16

Left anterior descending > RCA > circumflex

Question 17

Trace the general pathway of venous drainage from myocardium

Answer 17

Great, middle and small cardiac veins -> coronary sinus

-> right atrium

Question 18

Trace the conduction pathway of a cardiac impulse

Answer 18

SA node -> AV node –> bundle of His –> right and left bundle branches -> Purkinje fibres

Question 19

Which nerve supplies parasympathetic input to heart

Answer 19

Vagus nerve

Question 20

Which syndrome is characterised by arm claudication, syncope, vertigo, nausea and a supraclavicular bruit

Answer 20

Subclavian steal syndrome:

Occlusion in Subclavian artery proximal to take