Lymphatic And Venous System Function Flashcards

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1
Q

How does the cellular membrane structure differ in lymphatic capillaries?

A
  • Tight junctions not present btwn endothelial cells

- Fine filaments anchor vessels to surrounding CT

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2
Q

Which tissues lack lymphatics?

A
  • Cartilage and bone
  • Epithelial
  • CNS
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3
Q

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

A

8 mmHg

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4
Q

What is a healthy filtration coefficiency for the whole body?

A

0.006 mL/min/100 g tissue/ mmHg

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5
Q

Explain formation of edema in pregnancy and associated conditions.

A
  • 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
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6
Q

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

A
  • decreased oncotic pressire

Or

  • decreased vascular oncotic pressure
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7
Q

How does Venous pressure differ between standing and exercise?

A
  • Standing gradually increases pressure in veins

- Exercise decreases venous pressure

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8
Q

How does Venous distention relate to CHF?

A

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

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9
Q

What is the

Muller maneuver?

A

Strong inspiration effort against a closed glottis

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10
Q

What is the valsalva maneuver?

A

Straining against a closed glottis

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11
Q

What are the four main blood reservoirs?

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