Cardiovascular - Wet Room 1

Question 1

From outer to inner name the layers of the heart.

Answer 1

Fibrous pericardium

Parietal layer of serous pericardium

Pericardial cavity

Epicardium (Visceral layer of the serous pericardium)

Myocardium

Endocardium

Question 2

Of these layers - what compose the heart wall?

Answer 2

Endocardium
Myocardium
Epicardium (visceral layer of serous pericardium)

Question 3

What epithelium is the endocardium made of?

Answer 3

Simple squamous

Question 4

What is the myocardium made of?

Answer 4

Cardiac muscle

Question 5

What is the epicardium composed of?

Answer 5

Simple squamous epithelium

Question 6

Is the fibrous and parietal layers attached?

Answer 6

Yes

Question 7

What does the fibrous pericardium do?

Answer 7

Gives the heart a rigid protection and anchors it - prevents it filling with blood

Question 8

Whats is the epicardium and the heart wall innervated by?

Answer 8

T1-T4 nerves and the vagus via the cardiac plexus

Question 9

What are the parietal and fibrous layers innervated by?

Answer 9

Phrenic nerve

Question 10

What layers of the pericardium are innervated by pain fibres?

Answer 10

Fibrous and parietal