Lecture 3 B6

Question 1

What is the 1st heart sound?

Answer 1

mitral valve closure (lub)

Question 2

2nd heart sound?

Answer 2

Aortic valve closure (dub)

Question 3

3rd heart sound?

Answer 3

Blood rushing into ventricle (sometimes pathologic) (normal in small children, and athletes)

Question 4

4th heart sound?

Answer 4

Filling a stiff ventricle

Always pathologic

Question 5

Blood flow is ____________

Answer 5

unidirectional

Question 6

Mitral valve prevents backflow into ____.

Answer 6

Left atrium

Question 7

AOrtic valve prevents backflow into _____.

Answer 7

Left ventricle

Question 8

What is the difference between volume at end Diastole and end systole called? How do you find total amount of blood ejected?

Answer 8

Stroke volume
EDV-ESV= SV
e.g. 145mls - 50mls= 95 mls

Question 9

Sounds that arise from valvular issues

Answer 9

Murmurs

Question 10

THis heart murmur allows backwards flow.

Answer 10

Incompetent

Question 11

THis heart murmor doesn’t fully open.

Answer 11

Stenotic

Question 12

What murmurs are heard during systole

Answer 12

Systolic murmurs

Question 13

Does an incompetent or stenotic valve mess up during systole?

Answer 13

Incompetent (soft sound)

Question 14

Which valve issue at aortic valve, (incompetent or stenotic) would be the problem in systole?

Answer 14

Stenotic aortic (loud sound)

Question 15

What heart murmurs are heard during diastole?

Answer 15

Diastolic murmurs

Question 16

If you have an anatomic defect, what murmur will happen?

Answer 16

Continuous