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FATS AND FATTY ACID METABOLISM- Part 15
See all quizzes of FATS AND FATTY ACID METABOLISM- Part 15 here:
1 Which of the following condition is
characterized by ketonuria but without
glycosuria?
(A) Diabetes mellitus
(B) Diabetes insipidus
(C) Prolonged starvation
(D) Addison’s disease
2. Ketone bodies are formed in
(A) Kidney (B) Liver
(C) Heart (D) Intestines
3. Changes in serum high density lipoproteins
(HDL) are more truly reflected by those of
(A) HDL-1 (B) HDL-2
(C) HDL-3 (D) HDLC
4. Mitochondrial lipogenesis requires
(A) bicarbonate
(B) biotin
(C) acetyl CoA carboxylase
(D) NADPH
5. Fatty acids having chain length of 10
carbon atoms enter the
(A) Portal ciruclation (B) Lacteals
(C) Systemic circulation (D) Colon
6. A soluble system for synthesis of fatty
acids have been isolated from avian liver,
required for the formation of long chain
fatty acids by this system is
(A) ATP (B) Acetyl CoA
(C) NADPH (D) All of these
7. Most animal tissues contain appreciable
amounts of lipid, when in the form of
depot fat it consists largely of
(A) Cholesterol ester (B) Phosphatides
(C) Chylomicrons (D) Triacylglycerol
8. A fatty acid not synthesized in man is
(A) Oleic (B) Palmitic
(C) Linoleic (D) Stearic
9. The ‘free fatty acids’ (FFA) of plasma:
(A) metabolically inert
(B) mainly bound to β-lipoproteins
(C) stored in the fat
(D) mainly bound to serum albumin
10. Adipose tissue which is a store house for
triacyl glycerol synthesis the same using
(A) The glycerol released by hydrolysis of triacyl
glycerol
(B) The glycerol-3-phosphate obtained in the
metabolism of glucose
(C) 2-phosphoglycerate
(D) 3-phosphoglycerate
11. Increase in blood of this class of lipoproteins
is beneficial to ward off coronary
heart disease:
(A) HDL (B) LDL
(C) VLDL (D) IDL
12. In the extra mitochondrial synthesis of
fatty acids, CO2 is utilized
(A) To keep the system anaerobic and prevent
regeneration of acetyl CoA
(B) In the conversion of malonyl to CoA
hydroxybutyryl CoA
(C) In the conversion of acetyl CoA to malonyl
CoA
(D) In the formation of acetyl CoA from 1 carbon
intermediates
13. Current concepts concerning the intestinal
absorption of triacylglycerols are that
(A) They must be completely hydrolysed before
the constituent fatty acids can be absorbed
(B) They are hydrolysed partially and the material
absorbed consists of free fatty acids, mono
and diacyl glycerols and unchanged triacyl
glycerols
(C) Fatty acids with less than 10 carbon atoms
are absorbed about equally via lymph and
via portal blood
(D) In the absence of bile the hydrolysis of triacyl
glycerols is absorbed
14. Main metabolic end product of cholesterol:
(A) Coprosterol (B) 5-pregnenolone
(C) Bile acid (D) Glycine
15. In the type II (a) hyper lipoproteinemia
there is increase in
(A) Chylomicron bond (B) β
(C) Pre beta (D) α
16. Normal fat content of liver is about _______
gms %.
(A) 5 (B) 8
(C) 10 (D) 15
17. Obesity is accumulation of _______ in the
body.
(A) Water (B) NaCl
(C) Fat (D) Proteins
18. The first lipoprotein to be secreted by the
liver is
(A) VLDL (B) nascent VLDL
(C) LDL (D) IDL
19. This lipoprotein removes cholesterol from
the body
(A) HDL (B) VLDL
(C) IDL (D) Chylomicrons
20. When the stired triacylglycerol is lipolysed
in the adipose tissue blood levels of _____
increased.
(A) FFA only
(B) Glycerol only
(C) Free fatty acids (FFA) and Glycerol
(D) Triacyl glycero
21. All long chain fatty acids with even
number of carbon atoms are oxidized to
a pool of _________ by β-oxidation.
(A) CO2 (B) Propionic acid
(C) Acetic acid (D) Acetyl CoA
22. The level of free fatty acids in plasma is
increased by
(A) Insulin (B) Caffeine
(C) Glucose (D) Niacin
23. Cholesterol is excreted as such into
________.
(A) Urine (B) Faeces
(C) Bile (D) Tears
24. LCAT is
(A) Lactose choline alamine transferse
(B) Lecithin cholesterol acyl transferase
(C) Lecithin carnitine acyl transferase
(D) Lanoleate carbamoyl acyl transferase
25. Cholesterol molecule has _______ carbon
atoms.
(A) 27 (B) 21
(C) 15 (D) 12
26. A hydrocarbon formed in cholesterol
synthesis is
(A) Mevalonate (B) HMG CoA
(C) Squalene (D) Zymosterol
27. While citrate is converted to isocitrate in
the mitochondria, it is converted to _______
in the cytosol.
(A) Acetyl CoA + oxaloacetate
(B) Acetyl CoA + malonyl CoA
(C) Acetyl CoA + Pyruvate
(D) Acetyl CoA + acetoacetyl CoA
28. Avidin is antigonistic to
(A) Niacin (B) PABA
(C) Biotin (D) Pantothenic acid
29. CTP is required for the synthesis of
(A) Fatty acids (B) Proteins
(C) Phospholipids (D) Cholesterol
30. Lysolecithin is formed from lecithin by the
action of
(A) Phospholipase A1 (B) Phospholipase A2
(C) Phospholipase C (D) Phospholipase D
