Exam 16: The Microcirculation and Lymphatic System: Capillary Fluid Exchange, Interstitial Fluid, and Lymph Flow

Listed below are the hydrostatic and oncotic pressures across a muscle capillary wall. Venous hydrostatic pressure $= 5 \mathrm {~mm} \mathrm { Hg }$ Arterial pressure $= 100 \mathrm {~mm} \mathrm { Hg }$ Capillary hydrostatic pressure $= 35 \mathrm {~mm} \mathrm { Hg }$ Plasma colloid osmotic pressure $= 25 \mathrm {~mm} \mathrm { Hg }$ Interstitial colloid osmotic pressure $= 10 \mathrm {~mm} \mathrm { Hg }$ Interstitial hydrostatic pressure $= - 5 \mathrm {~mm} \mathrm { Hg }$ What is the net filtration pressure (in $\mathrm { mm } \mathrm { Hg }$ ) for fluid movement across the capillary wall? A. 0 B. 5 C. 10 D. 15 E. 25

A decrease in which of the following tends to increase capillary hydrostatic pressure?

A 65-year-old man has a 20-year history of alcoholism and liver disease. He visits his physician complaining of swelling of his extremities. A decrease in which of the following is one of the most likely cause of the ascites?

Which one of the following substances in plasma does not contribute to plasma colloid osmotic pressure?

Which of the following is true regarding plasma colloid osmotic pressure?

A decrease in which of the following tends to decrease filtration rate across a capillary wall?

Use the data below to calculate the filtration coefficient for the capillary bed (in mL/min/mmHg). Plasma colloid osmotic pressure $= 30 \mathrm {~mm} \mathrm { Hg }$ Capillary hydrostatic pressure $= 40 \mathrm {~mm} \mathrm { Hg }$ Interstitial hydrostatic pressure $= 5 \mathrm {~mm} \mathrm { Hg }$ Interstitial colloid osmotic pressure $= 5 \mathrm {~mm} \mathrm { Hg }$ Filtration rate $= 150 \mathrm {~mL} / \mathrm { min }$ Venous hydrostatic pressure $= 10 \mathrm {~mm} \mathrm { Hg }$ A. 10 B. 15 C. 20 D. 25 E. 30

Use the data below to calculate the rate of net fluid movement (in $\mathrm { mL } / \mathrm { min }$ ) across the capillary wall. Plasma colloid osmotic pressure $= 40 \mathrm {~mm} \mathrm { Hg }$ Cap illary hydrostatic pressure $= 10 \mathrm {~mm} \mathrm { Hg }$ Venous hydrostatic pressure $= 5 \mathrm {~mm} \mathrm { Hg }$ Arterial pressure $= 80 \mathrm {~mm} \mathrm { Hg }$ Interstitial hydrostatic pressure $= 5 \mathrm {~mm} \mathrm { Hg }$ Interstitial colloid osmotic pressure $= 5 \mathrm {~mm} \mathrm { Hg }$ Filtration coefficient $= 10 \mathrm {~mL} / \mathrm { min } / \mathrm { mm } \mathrm { Hg }$ A. 100 (filtration) B. 200 (reabsorption) C. 200 (filtration) D. 300 (filtration) E. 300 (reabsorption)

A decrease in which of the following would be expected in the skeletal microcirculation in a patient with nephrosis?

An decrease in which of the following tends to increase lymph flow?

An increase in which of the following would tend to decrease lymph flow?

A healthy 20 -year-old medical student has an exercise stress test. Which set of changes would be expected to occur in the student's skeletal muscles during exercise?

Which of the following set of changes would be expected to increase the net movement of sodium across a muscle capillary wall?

A decrease in arteriole diameter would most likely result in which set of changes in a microcirculatory bed?

A decrease in which of the following tends to increase filtration rate across a capillary wall?