Lecture 2

Question 1

Question 2

Question 3

Question 4

Question 5

Blood viscosity

Answer 5

3x more than water

Question 6

Hematocrit

Answer 6

– proportion of RBCs in blood, e.g. value of 40 = 40% of blood volume is cells & rest = plasma
Large number of RBCs – frictional drag

Question 7

Question 8

Question 9

What is blood flow like in the capillaries during diastole?

Answer 9

[Diastole Relaxation and filling -No blood pumped out of heart]
During diastole, blood flow is constant in organs and capillaries as they are far enough from the heart not to be affected

Question 10

Arteries are

Answer 10

Pressure reservoirs

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

What does a stethoscope pick up

Answer 16

Korotkoff sounds are the sounds of blood flow through the artery as you are listening to blood pressure. Korotkoff sounds are not the same thing as the heart beat or the pulse. They disappear as the cuff is inflated and reappear as the cuff is deflated.

Question 17

Question 18

https://youtu.be/ VJrLHePNDQ4

Question 19