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Cholesterol: Quiz


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Question 1: ________ Type C
Krabbe diseaseNiemann-Pick disease, type CGaucher's diseaseNiemann–Pick disease

Question 2:
What is the chemical name of Cholesterol (IUPAC)
1,4,5,6,7,7-hexachlorobicyclo2.2.1-hept-5-ene-2,3-dicarboxylic acid
3u03B2-hydroxy-11-oxoolean-12-en-30-oic acid

Question 3: abdomen (May-Thurner syndrome, Portal vein thrombosis, ________, Renal vein thrombosis)
Budd-Chiari syndromeEsophageal varicesHepatic veno-occlusive diseasePortal hypertension

Question 4: Cholesterol is an important precursor molecule for the synthesis of Vitamin D and the steroid hormones, including the ________ hormones cortisol and aldosterone as well as the sex hormones progesterone, estrogens, and testosterone, and their derivatives.
Endocrine systemThyroidTesticleAdrenal gland

Question 5: Under certain circumstances, when more concentrated, as in the gallbladder, cholesterol crystallises and is the major constituent of most gallstones, although lecithin and ________ gallstones also occur less frequently.
Reference ranges for blood testsHaptoglobinBilirubinHemoglobin

Question 6: These LDL molecules are oxidized and taken up by ________, which become engorged and form foam cells.
MacrophagePhagocyteMonocyteWhite blood cell

Question 7: Cholesterol is the principal sterol synthesized by animals, but small quantities are synthesized in other ________, such as plants and fungi.

Question 8: It is almost completely absent among ________, which include bacteria.
ProkaryoteCyanobacteriaGram-positive bacteriaGram-negative bacteria

Question 9: In addition, cholesterol is an important component for the manufacture of ________, steroid hormones, and several fat-soluble vitamins.
Bile acidChenodeoxycholic acidMetabolismCholic acid

Question 10: The hydroxyl group on cholesterol interacts with the polar head groups of the membrane phospholipids and sphingolipids, while the bulky steroid and the ________ chain are embedded in the membrane, alongside the nonpolar fatty acid chain of the other lipids.


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