Anatomy

Question 1

What are the layers of the pericardium?

Answer 1

Fibrous pericardium - tough outer layer
Serous pericardium, divided into
1. Visceral serous pericardium - touches the heart
2. Parietal serous pericardium - touches the fibrous pericardium
A pericardial cavity lies between these two.
Epicardium = serous pericardium

Question 2

What is the transverse pericardial sinus?

Answer 2

A space within the pericardial cavity - lies posterior to the aorta and pulmonary trunk. Finger will poke out anterior to the SVC

Question 3

What is the coronary sinus?

Answer 3

A venous conduit which receives deoxygenated blood from most of the cardiac veins and drains directly into the right atrium

Question 4

In the atria, what divides the smooth from rough part?

Answer 4

Crista terminalis

Question 5

What is the closed hole between the right and left atria?

Answer 5

Foramen ovale (oval fossa)

Question 6

Which valves are leaflet and which are semi-lunar?

Answer 6

Leaflet - tricuspid and mitral

Semilunar - pulmonary and aortic

Question 7

How many cusps do the heart valves have?

Answer 7

All but the mitral (two) have three

Question 8

What nerves give the tongue sensation?

Answer 8

Anterior 2/3rds
- General - CN V3
- Special - CN VII
Posterior 1/3
- General and sensory reply - CN IX