Anatomy

Question 1

Where does the right coronary artery branch from?

Answer 1

anterior aortic sinus (from ascending aorta)

Question 2

What are the right and left auricles?

Answer 2

also known as right/left atrial appendages

Question 3

What is the importance of the right auricle?

Answer 3

site of SA and AV nodes

Question 4

Where does venous blood drain to in the heart?

Answer 4

coronary sinus in right atrium

Question 5

Where does the posterior interventricular/anterior descending artery stem from?

Answer 5

RCA

Question 6

Which artery supplies the posterior aspect of the left ventricle

Answer 6

circumflex artery

Right Coronary Artery (RCA) supplies
Right atrium
Right ventricle
Inferior aspect of left ventricle
Posterior septal area

Circumflex Artery supplies
Left atrium
Posterior aspect of left ventricle

Left Anterior Descending (LAD) supplies
Anterior aspect of left ventricle
Anterior aspect of septum

Question 7

What point on the chest is the best overall position for listening for the third and fourth heart sounds?

Answer 7

3rd I.C.S. left sternal boarder, also known as Erb’s point, is the best position for generally listening for the 3rd and 4th heart sounds.

Question 8

When is coronary flow at it highest?

Answer 8

during diastole

Question 9

How many leaflets do the mitral, tricuspid, aortic, and pulmonary valves have?

Answer 9

tricuspid, aortic, pulmonary=3

mitral= 2