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Microcirculation & Capillary Exchange — Cardiovascular Physiology

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Microcirculation & Capillary Exchange

Cardiovascular Physiology · Microcirculation & Capillary Exchange · medium

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Microcirculation & Capillary Exchange MCQs: practice questions

Sample Microcirculation & Capillary Exchange multiple-choice questions from Cardiovascular Physiology.

The major force favoring filtration from capillary to interstitium is:
- A. Venous pressure only
- B. Plasma oncotic pressure
- C. Interstitial oncotic pressure only
- D. Capillary hydrostatic pressure
- E. Lymphatic pressure
An increase in plasma oncotic pressure tends to:
- A. Increase interstitial volume
- B. Increase filtration
- C. Increase edema
- D. Increase capillary hydrostatic pressure
- E. Decrease filtration
If net filtration pressure is 9 mm Hg and Kf is 0.5 mL/min/mm Hg, water flow is:
- A. 0.18 mL/min
- B. 0.45 mL/min
- C. 9.0 mL/min
- D. 18 mL/min
- E. 4.5 mL/min
Increased capillary permeability to proteins tends to:
- A. Increase plasma protein concentration
- B. Decrease interstitial oncotic pressure
- C. Increase interstitial oncotic pressure
- D. Decrease filtration
- E. Prevent edema
Lipid-soluble substances cross capillary endothelium mainly by:
- A. Gap junctions
- B. Active transport
- C. Pinocytosis only
- D. Simple diffusion through endothelial cell membranes
- E. Carrier-mediated secretion
Capillaries in the liver and intestine with wide openings are called:
Glucose crosses most systemic capillaries mainly through:
The largest fraction of total vascular cross-sectional area is found in:
True capillaries are composed primarily of:
Lymphatic vessels return to the circulation:
An increase in venous pressure tends to:
Increased venous pressure in the legs during standing can promote:
Precapillary sphincters regulate:
Dehydration tends to increase plasma oncotic pressure because of:
Increasing lymphatic obstruction tends to:
Edema occurs when:
Oxygen crosses capillary walls primarily by:
Arteriolar dilation tends to:
Protein molecules generally cannot pass freely through ordinary capillary clefts because they are:
Muscular activity reduces dependent edema partly by:
The blood-brain barrier is associated with capillary clefts that are:
The capillary bed is the major site for:
An increase in capillary hydrostatic pressure tends to:
Large water-soluble substances can cross capillary walls by:
The major force opposing capillary filtration is:
If capillary hydrostatic pressure is 30 mm Hg, interstitial hydrostatic pressure −2, plasma oncotic pressure 25, and interstitial oncotic pressure 2, net filtration pressure is:
A decrease in plasma protein concentration tends to:
Small water-soluble substances cross capillaries mainly through:
Lymph flow is especially important because capillaries normally filter:
Arteriolar constriction tends to:

Microcirculation & Capillary Exchange — Cardiovascular Physiology

Microcirculation & Capillary Exchange MCQs: practice questions

The major force favoring filtration from capillary to interstitium is:

An increase in plasma oncotic pressure tends to:

If net filtration pressure is 9 mm Hg and Kf is 0.5 mL/min/mm Hg, water flow is:

Increased capillary permeability to proteins tends to:

Lipid-soluble substances cross capillary endothelium mainly by:

Capillaries in the liver and intestine with wide openings are called:

Glucose crosses most systemic capillaries mainly through:

The largest fraction of total vascular cross-sectional area is found in:

True capillaries are composed primarily of:

Lymphatic vessels return to the circulation:

An increase in venous pressure tends to:

Increased venous pressure in the legs during standing can promote:

Precapillary sphincters regulate:

Dehydration tends to increase plasma oncotic pressure because of:

Increasing lymphatic obstruction tends to:

Edema occurs when:

Oxygen crosses capillary walls primarily by:

Arteriolar dilation tends to:

Protein molecules generally cannot pass freely through ordinary capillary clefts because they are:

Muscular activity reduces dependent edema partly by:

The blood-brain barrier is associated with capillary clefts that are:

The capillary bed is the major site for:

An increase in capillary hydrostatic pressure tends to:

Large water-soluble substances can cross capillary walls by:

The major force opposing capillary filtration is:

If capillary hydrostatic pressure is 30 mm Hg, interstitial hydrostatic pressure −2, plasma oncotic pressure 25, and interstitial oncotic pressure 2, net filtration pressure is:

A decrease in plasma protein concentration tends to:

Small water-soluble substances cross capillaries mainly through:

Lymph flow is especially important because capillaries normally filter:

Arteriolar constriction tends to: