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Endothelium: Quiz

Question 1: Endothelial tissue is a specialized type of epithelium tissue (one of the four types of ________ in animals).
Organ (anatomy)Nervous systemImmune systemTissue (biology)
 

Question 2: ________ and vasodilation, and hence the control of blood pressure
VasoconstrictionCardiac action potentialAngiotensinTubuloglomerular feedback
 

Question 3: The endothelium normally provides a non-thrombogenic surface because it contains heparan sulphate which acts as a cofactor for activating ________, a protease that cleaves several factors in the coagulation cascade.
PlasminAlpha 2-antiplasminAlpha 1-antitrypsinAntithrombin
 

Question 4: Barrier function - the endothelium acts as a selective barrier between the vessel lumen and surrounding tissue, controlling the passage of materials and the transit of ________ into and out of the bloodstream.
Eosinophil granulocyteNeutrophil granulocyteWhite blood cellPhagocyte
 

Question 5: Impaired endothelial function is often seen in patients with ________, diabetes mellitus, hypertension, hypercholesterolemia, as well as in smokers.
Ischaemic heart diseaseMyocardial infarctionCardiovascular diseaseCoronary artery disease
 

Question 6: These cells reduce ________ of the flow of blood allowing the fluid to be pumped farther.
Reynolds numberFluid dynamicsTurbulenceDrag (physics)
 

Question 7: Endothelial dysfunction, or the loss of proper endothelial function, is a hallmark for vascular diseases, and is often regarded as a key early event in the development of ________.
Cardiovascular diseaseAtheromaHypertensionAtherosclerosis
 

Question 8: The endothelium is the thin layer of cells that line the interior surface of blood vessels,[1] forming an interface between circulating ________ in the lumen and the rest of the vessel wall.
Blood plasmaBloodRed blood cellPlatelet
 

Question 9: Formation of new blood vessels (________)
Vascular endothelial growth factorAngiogenesisWound healingIntegrin
 

Question 10: Endothelial cells line the entire circulatory system, from the heart to the smallest ________.
CapillaryVeinHuman lungArtery
 










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