Duffy Lecture 1

Question 1

CO at rest

Answer 1

5L/min

Question 2

Amt of blood in systemic venous system

Answer 2

64%

Question 3

Amt of blood in the systemic capillaries

Answer 3

7%

Question 4

Amt of blood in the heart

Answer 4

7%

Question 5

Amt of blood in the pulmonary circuit

Answer 5

9%

Question 6

Amt of blood in the systemic arterial system

Answer 6

13%

Question 7

Which valves are open and closed during diastole

Answer 7

tricuspid and mitral are open; aortic and pulmonary semilunar are closed

Question 8

Left ventricular ejection fraction

Answer 8

Blood vol in LV @ late systole (50ml) divided by blood vol in LV @late diastole (100ml) => 50-70% HR should not change EF - Only changes no. of times heart beats NOT the vol ejected

Question 9

What is a MI associated with

Answer 9

Coronary arteries

Question 10

What is a valve stenosis associated with

Answer 10

Aortic valve

Question 11

what is a valve regurgitation associated with

Answer 11

Mitral valve

Question 12

Pressure across CV system

Answer 12

Question 13

Walls of the heart

Answer 13

There’s a C is triCuspid (in the right side of the heart) but not in mitral => RV is C shaped

Question 14

LV diastole

Answer 14

Question 15

LV systole

Answer 15

Question 16

Heart borders

Answer 16

Question 17

Diagrams of the heart

Answer 17