GA 3

Question 1

Which side of the heart works harder?

Answer 1

the left because it has to pump blood to the whole body

Question 2

What is the job of the fibrous skeleton of the heart?

Answer 2

1. Produce attachment for the myocardium
2. Produce attachment for the vales of the cuspid valves
3. Support/strengthen AV and SL orifices
4. Provides electrically insulated barrier between A and V (so A can contract first)

Question 3

What is the role of the membranous part of the inter ventricular septum?

Answer 3

it is where important neural bundle is sent through the fibrous skeleton

Question 4

A pt. presents with the sudden inability to speak. What might have happened?

Answer 4

The ligaments arteriosum is a weak spot in the heart wall. If an aneurysm occurs, it may press up against the left recurrent laryngeal N. of the Vagus N.

Question 5

What do atrial septal defects typically result from?

Answer 5

incomplete closure of the foramen ovale

Question 6

How many pieces of pericardium does everyone get?

Answer 6

one

Question 7

What can happen if pericarditis is left untreated?

Answer 7

it can calcify

Question 8

Cardiac tamponade is __ ___.

Answer 8

heart compression

Question 9

What can relieve cardiac tamponade?

Answer 9

pericardiocentesis