Week 8 - Special Circulations Flashcards
1
Q
What is the mean systemic arterial pressure?
A
120/80 mmHg –> 95 mmHg mean
2
Q
During which phase of the cardiac cycle does greatest coronary blood flow occur? Why?
A
Diastole
During systole, tension in the walls of the ventricles compresses coronary vessels, greatly reducing blood flow. Therefore, coronary blood flow is almost exclusively diastolic, especially in the left ventricle
3
Q
What is the main function of the cutaneous circulation?
A
To maintain a constant body temperature
