Multiple Choice Questions Abbreviations in the multiple choice questions CHP cap

Question

Multiple Choice Questions Abbreviations in the multiple choice questions CHP capillary hydrostatic pressure COP capillary oncotic pressure Capillary hydrostatic pressure (CHP) is due to a. Plasma proteins b. Albumin c. Lymph d. Blood pressure e. Protein that accumulates in the interstitium Capillary oncotic pressure (COP) is due primarily to a. Blood pressure b. Plasma proteins, especially albumin c. Lymph d. Electrolytes such as sodium and chloride e. Glucose If CHP exceeds COP a. Lymph flow slows b. Fluid moves from the interstitium into the capillary c. No net flux of water occurs d. Blood volume expansion occurs e. Fluid is filtered into the interstitium If COP exceeds CHP a. Lymph flow increases b. Fluid is filtered from the capillary into the interstitium c. Fluid moves osmotically into the capillary from the interstitium d. Plasma proteins diffuse from the capillary into the interstitium e. Blood volume decreases At point X (figure A) a. CHP exceeds COP; fluid moves from the capillary into the interstitium b. COP exceeds CHP; fluid moves from the capillary into the interstitium c. CHP equals COP; there is no net fluid flux d. CHP exceeds COP; fluid moves from the interstitium into the capillary e. COP is less than CHP; fluid moves from the interstitium into the capillary At point Y (figure A) a. CHP exceeds COP; fluid moves from the capillary into the interstitium b. COP exceeds CHP; fluid moves from the interstitium into the capillary c. CHP equals COP; there is no net fluid flux d. CHP exceeds COP; fluid moves from the interstitium into the capillary

Explanation / Answer

Please find the answers below:

Part 1: Choice C (The fluid part of the blood/liquid passing through the vessel exerts a pressure on the walls of the capillary which pushes the liquid to be moved out of the capillaries. This gives rise to hydrostatic pressure in capillaries)

Part 2: Choice B (The large plasma proteins, especially albumin which is most abundant in the plasma increase the concentration of the protein and give rise to an inward acting pressure which prevents the movement of fluid out of the capillaries. This pressure is called oncotic pressure)

Part 3: Choice E (Since hydrostatic pressure prevents movement of fluid outside the capillary, increase in CHP as compared to COP will lead to leakage of this fluid and its consequent accumulation in the interstitium)

Part 4: Choice C (As the COP will be higher than CHP, the inward fluid pressure will be low and it will drive the movement of fluid from the interstitium into the capillary by osmosis since the membrane is semi-permeable in nature)

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