Lymphatic And Venous System Function

Question 1

How does the cellular membrane structure differ in lymphatic capillaries?

Answer 1

• Tight junctions not present btwn endothelial cells

- Fine filaments anchor vessels to surrounding CT

Question 2

Which tissues lack lymphatics?

Answer 2

• Cartilage and bone
• Epithelial
• CNS

Question 3

What is the mean capillary hydrostatic pressure of a healthy lung?

Answer 3

8 mmHg

Question 4

What is a healthy filtration coefficiency for the whole body?

Answer 4

0.006 mL/min/100 g tissue/ mmHg

Question 5

Explain formation of edema in pregnancy and associated conditions.

Answer 5

• Concentrations of plasma proteins may increase colloid osmotic pressure and movement of fluids across capillary membrane
• Increased capillary hydrostatic pressure leads to Congestive heart failure

Question 6

What happens to fluid balance in nephrotic syndrome, liver sirrhosis, and protein malnutrition?

Answer 6

• decreased oncotic pressire

Or

• decreased vascular oncotic pressure

Question 7

How does Venous pressure differ between standing and exercise?

Answer 7

• Standing gradually increases pressure in veins

- Exercise decreases venous pressure

Question 8

How does Venous distention relate to CHF?

Answer 8

central venous pressure is
abnormally elevated, the superficial neck veins are distended, + do not
collapse even when the person sits or stands.

Question 9

What is the

Muller maneuver?

Answer 9

Strong inspiration effort against a closed glottis

Question 10

What is the valsalva maneuver?

Answer 10

Straining against a closed glottis

Question 11

What are the four main blood reservoirs?

Answer 11

1. Spleen
2. Liver
3. Large abdominal veins
4. Skin