The Cardiovascular system - the left side of the heart

Question 1

How many veins enter the left atrium

Answer 1

4

Question 2

What is the left auricle

Answer 2

Small sac on left atrium

Question 3

What is the first valve on the left side and how many cusps does

Answer 3

bicuspid valve (2 cusps)

Question 4

What tendons attach to the valves and what muscles are anchoring the edges of the valve leaflets?

Answer 4

Chordae tendineae and papillary muscles

Question 5

What forms the apex of the heart?

Answer 5

The left ventricle

Question 6

What are the pulsations of the apex beat felt?

Answer 6

Fifth intercostal space, in the midclavicular line

Question 7

How do you find the apex beat?

Answer 7

Find the manubrio-sternal joint. From it, count down to the fifth intercostal space. Find the midpoint of the clavicle and drop a line downwards from it. The apex beat if found where this verticle line intersects the fifth intercostal space

Question 8

Where is the sound from the mitral valve heard

Answer 8

The fifth intercostal space, in the midclavicular line