Intro

Question 1

Where does IV sulcus lie?

Answer 1

Path of IV septum

Question 2

Where does AV sulcus lie?

Answer 2

Between both atria and ventricles

Question 3

Which sulcus contains Cx, RCA and coronary sinus?

Answer 3

AV sulcus

Question 4

Which sulcus contains LAD, great cardiac vein, PDA and middle cardiac vein?

Answer 4

IV sulcus

Question 5

What are the 2 branches of the left main coronary artery?

Answer 5

LAD and Cx

Question 6

In the LV, the RCA supplies which region?

Answer 6

Posterior medial

Question 7

In the LV, LAD and Cx supply which region?

Answer 7

Anterior lateral

Question 8

Heart wall layers

Answer 8

Endocardium
Myocardium
Epidardium (Visceral pericardium)

Question 9

Layers of pericardium

Answer 9

Fibrous and serous.
Serous has 2 layers: parietal (stuck to fibrous) and visceral (epicardium).

There is fluid between the 2 serous layers.

Question 10

Normal amount of pericardial fluid

Answer 10

20-50mL

Question 11

4 features that differentiate the RV from the LV

Answer 11

1) Moderator band and trabeculated walls
2) 3 papillary muscles instead of 2
3) Tri-leaflet valve instead of bi-leaflet (The TV is always connected to the RV)
4) Apical displacement of the tricuspid valve compared to mitral valve

Question 12

AV leaflets

Answer 12

RCC, LCC, NCC

Question 13

MV leaflets

Answer 13

Anterior
Posterior

Question 14

How are MV leafets numbered?

Answer 14

Lateral to medial

Question 15

TV leaflets

Answer 15

Anterior
Posterior
Septal

Question 16

PV leaflets

Answer 16

Anterior
Left
Right