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Dextran: Quiz


Question 1: (For information on the numbering of carbon ________ in glucose, see the glucose article.) Dextran is synthesized from sucrose by certain lactic-acid bacteria, the best-known being Leuconostoc mesenteroides and Streptococcus mutans.

Question 2: These include ________, volume overload, pulmonary edema, cerebral edema, or platelet dysfunction.
Serum sicknessGraft-versus-host diseaseAnaphylaxisAllergy

Question 3: It is occasionally used to replace lost ________ in emergency situations, when replacement blood is not available, but must be used with caution as it does not provide necessary electrolytes and can cause hyponatremia or other electrolyte disturbances.
Blood plasmaBloodPlateletRed blood cell

Question 4: Subsequently, they have prolonged antithrombotic and ________ effects.
Plasma (physics)LiquidSolidColloid

Question 5: Ketohexose (Psicose, ________, Sorbose, Tagatose)

Question 6: The antithrombotic effect of dextran is mediated through its binding of erythrocytes, platelets, and vascular endothelium, increasing their ________ and thus reducing erythrocyte aggregation and platelet adhesiveness.
HalogenNoble gasElectronegativityPeriodic table

Question 7: Aldohexose (Allose, Altrose, ________, Mannose, Gulose, Idose, Galactose, Talose)

Question 8: Dextran preferentially binds to early ________; fluorescently-labelled dextran can be used to visualize these endosomes under a fluorescent microscope.
Cell membraneVesicle (biology)EndosomeCell (biology)

Question 9: Dextrans also reduce factor VIII-Ag ________, thereby decreasing platelet function.
Von Willebrand factorAntithrombinPlasminFactor X

Question 10: Outside from these features, larger dextrans, which do not pass out of the vessels, are potent osmotic agents, and thus have been used urgently to treat ________.
HypovolemiaHypokalemiaAcid-base imbalanceDehydration

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