Lecture 29- Microcirculation

Question 1

What is bulk flow?

Answer 1

Movement of fluid as a result of pressure differences

Question 2

What is microcircualtion?

Answer 2

Capillary beds

Question 3

How are large proteins exchanged in microcirculation?

Answer 3

Transcytosis

Question 4

What is a colloid?

Answer 4

insoluble proteins

Question 5

What is oncotic pressure?

Answer 5

Osmotic pressure created by colloids

Question 6

What does Frick’s law determine?

Answer 6

Diffusion of sollutes

Question 7

Is CO2 or O2 more lipid soluble?

Answer 7

CO2

Question 8

What do Starling’s forces describe?

Answer 8

Hydrostatic and colloid oncotic pressure in the capillary and interstitium

Question 9

Causes of edema?

Answer 9

Increased hydrostatic pressure
Decreased colloid oncotic pressure
Lymphatic obstruction
Increased vascular permeability

Question 10

What can result in increased hydrostatic pressure?

Answer 10

Cardiac dysfunction

Question 11

What results in decreased colloid oncotic pressure?

Answer 11

renal loss resulting in hypoalbuminea

Question 12

What can cause pulmonary edema?

Answer 12

Left valve incomplete closure