Cardiovascular [Blood Circuits]

Question 1

How is % of blood volume split among the different systems / circuits?

Answer 1

9 pulmonary, 7 pump, 84 systemic

Question 2

What is the total blood volume generally and the total output for 1 pump?

Answer 2

5L

5L/min

Question 3

What is the resistance and pressure of the pulmonary circuit compared to the systemic circuit?

Answer 3

Pulmonary: medium
Systemic: high

Question 4

What are the peak pressures of the right Rightatrium and ventricle deoxygenated blood?

Answer 4

5mmHg

27mmHg

Question 5

What are the peak pressures of the left atrium and ventricle oxygenated blood?

Answer 5

8mmHg

120mmHg

Question 6

What are atria not super efficient at pumping blood?

Answer 6

They do not have valves like ventricles do. Some goes back out through SVC. Not good at forcing blood through. Thin

Question 7

Why are the inlet valves between the atria and ventricles bigger than the aortic and pulmonary outlets?

Answer 7

The inlets must be of large diameter in order to admit blood at a low pressure

Question 8

Ratio of wall thickness left:right ventricles

Answer 8

3:1

Question 9

Ratio of peak pressure left:right ventricles

Answer 9

5:1

Question 10

How many papillary muscles in the left and right ventricles?

Answer 10

2 and 3