CBF | Lecture 30and 31
CBF | Lecture 30and 31
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Quiz Questions (15 questions)
1. Infant respiratory distress syndrome is supported by clinical laboratory and imaging (X-ray) results.
2. Infant respiratory distress syndrome is a consequence of too few type II pneumocytes.
3. In infant respiratory distress syndrome, the concentration of dipalmitoyl phosphatidylcholine would be expected to be lower than that of a full-term baby.
4. Waxes are made of Cholesterol.
5. Waxes are made of Long chain Alcohol.
6. Sphingomyelin is not a Glycerophospholipid.
7. Phosphatidyl Inositol acts as a precursor for second messenger.
8. Cholesterol is transported from extra hepatic tissues to liver by HDL.
9. Linolenic is not a non-essential fatty acid.
10. Palmitoleic acid is a fatty acid with 16 carbon atoms and one double bond.
11. Ganglioside is a type of lipid that acts as a receptor for cholera toxin in the intestine.
12. Linoleic acid is a fatty acid which is not synthesized in the human body and has to be supplied in the diet.
13. Arachidonic acid is a fatty acid with 20 carbon atoms and four double bonds.
14. Chylomicrons contain mainly dietary triacylglycerols in their core.
15. Triacylglycerols are packaged into chylomicrons in intestinal epithelial cells.
Previous Exam Questions (32 questions)
1. In type 1 hyperlipidemia, a rare genetic deficiency of lipoprotein lipase causes abnormally elevated chylomicrons in the serum, and triacylglycerols are packaged into chylomicrons in intestinal epithelial cells.
2. Endogenously synthesized triacylglycerols are transported from the liver to extrahepatic tissues by VLDL (very-low-density lipoprotein).
3. Dipalmitoyllecithin (DPL), a lung surfactant, is a phospholipid, and its deficiency causes Respiratory Distress Syndrome.
4. When a fatty acid is esterified with an alcohol of high molecular weight instead of glycerol, the resulting compound is a wax.
5. Phosphatidyl Inositol acts as a precursor for second messengers.
6. Ganglioside is a type of lipid that acts as a receptor for cholera toxin in the intestine.
7. Dietary triacylglycerols are transported from the intestine to extrahepatic tissues by chylomicrons.
8. HDL (high-density lipoprotein) is a lipoprotein, not a derived lipid like arachidonic acid, diacylglycerol, or Vitamin D.
9. Linoleic acid is a fatty acid that is not synthesized in the human body and must be supplied in the diet.
10. Compound or conjugated lipids include phospholipids, glycolipids, lipoproteins, and sulfolipids.
11. Glycerol is used in pharmaceutical and cosmetic preparations due to its hygroscopic properties, nitroglycerin (glyceryl trinitrate) is used as a vasodilator for coronary arteries in the treatment of angina pectoris, and glycerol is used in the treatment of glaucoma due to its ability to dehydrate tissue.
12. Lipoproteins keep water-insoluble lipids in solution in aqueous plasma and provide a mechanism for transporting their lipid components to and from tissues.
13. Chylomicrons carry triglycerides, cholesterol esters, and phospholipids from the intestine to peripheral tissues.
14. In individuals with type 1 hyperlipidemia, triacylglycerols are packaged into chylomicrons within intestinal epithelial cells.
15. Endogenously synthesized triacylglycerols are transported from the liver to extrahepatic tissues by VLDL (very-low-density lipoproteins).
16. The deficiency of lung surfactant, dipalmitoyllecithin (DPL), causes respiratory distress syndrome because DPL is a phospholipid.
17. If a fatty acid is esterified with an alcohol of high molecular weight instead of glycerol, the resulting compound is a wax.
18. Phosphatidylinositol acts as a precursor for second messengers.
19. Ganglioside is a type of lipid that acts as a receptor for cholera toxin in the intestine.
20. Dietary triacylglycerols are transported from the intestine to the peripheral tissues by chylomicrons.
21. HDL (high-density lipoprotein) is not a derived lipid.
22. Linoleic acid is a fatty acid that is not synthesized in the human body and must be supplied in the diet.
23. Phospholipids are compound or conjugated lipids.
24. Glycolipids are compound or conjugated lipids.
25. Lipoproteins are compound or conjugated lipids.
26. Sulfolipids are compound or conjugated lipids.
27. Glycerol enters into pharmaceutical and cosmetic preparations due to its hygroscopic properties.
28. Nitroglycerin (glyceryl trinitrate) is used as a vasodilator, especially for the coronary arteries, and is used in the treatment of angina pectoris.
29. Glycerol is used in the treatment of glaucoma (increased intraocular pressure) due to its ability to dehydrate the tissue from its water content.
30. Lipoproteins keep water-insoluble lipids in solution in aqueous plasma.
31. Lipoproteins provide a mechanism for transporting their lipid components to and from the tissues.
32. Chylomicrons carry triglycerides, cholesterol esters, and phospholipids from the intestine to the peripheral tissues.
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CBFLecture30and31
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