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Lipid metabolism (Dr. Wael Ibrahim)

Create an informative and visually engaging illustration depicting various aspects of lipid metabolism, including fatty acids, lipoproteins, and enzymatic processes in a colorful and educational style.

Lipid Metabolism Mastery Quiz

Test your knowledge and understanding of lipid metabolism with this comprehensive quiz designed for students and healthcare professionals alike. Whether you're looking to solidify your learning or assess your grasp of key concepts, this quiz covers a wide range of topics related to lipids.

25 challenging multiple-choice questions
Covers both basic and advanced lipid metabolism concepts
Ideal for exam preparation and review

25 Questions6 MinutesCreated by LearningLipid21

The most important lipases for infants and patients with pancreatic insufficiency

Acid lipases

Pancreatic lipases

Phospholipases

Intestinal lipase

The end products of TAG digestion is

1-monoacylglycerols

2-monoacylglycerols

Glycerol

Fatty acid

Phospholipases act on phospholipids hydrolyzing them into fatty acids and glycerol

True

False

Chylomicrons are synthesized in

Blood

Liver

Small intestine

Adipose tissues

Dietary triacylglycerol are circulated in blood within

Chylomicron

LDL

VLDL

HDL

Which of the following lipoproteins transport of endogenous TAG from liver to peripheral tissues?

Chylomicron

VLDL

LDL

HDL

Increasing its level in blood is associated with atherosclerosis.

Chylomicron

VLDL

LDL

HDL

Lower blood level of HDL is associated with heart diseases

True

False

All the following stimulate lipogenesis except

Insulin

Glucagon

DHAP

Glycerol-3-phosphate

The key regulatory enzyme of lipolysis

Acyl transferase

Hormone sensitive TAG lipase

Diacyglycerol lipase

Monoacyglycerol lipase

Caffeine inhibits lipolysis by inhibiting phosphodiesterase enzyme

True

False

Excessive lipolysis occurs in conditions where the need for energy is increased

True

False

Before β-oxidation, fatty acid should be activated in the mitochondrial matrix into acyl CoA

True

False

Acyl CoA is transported to mitochondrial matrix by the help of

Creatine

Creatinine

Carnitine

Carotene

Carnitine is γ-hydroxy-β-trimethyl-ammonium butyrate

True

False

During starvation, which of the following is the major source of energy for the body?

Carbohydrates

Proteins

Fatty acids

Glycerol

β- oxidation of fatty acids take place in

Cytosol

Outer mitochondrial membrane

Inner mitochondrial membrane

Mitochondrial Matrix

Which of the following is NAD dependent enzyme

Acyl-CoA dehydrogenase

Enoyl-CoA hydratase

3-hydroxyacyl-CoA dehydrogenase

Thiolase

For each cycle of β-oxidation, the number of carbon atoms is decreased by

The numbers of acetyl CoA produced by complete β-oxidation of Palmitic acid (16 C) is

Succinyl CoA acts as intermediate of all of the following except

Glycolysis

Kreb’s cycle

Ketolysis

Haem synthysis

Which ketone body is formed first?

Aceto acetic acid

β-hydroxy butyric acid

Acetone

The first enzyme in the ketone body synthesis pathway is

Thiolase

HMG-CoA synthetase

HMG-CoA lyase

Ketone bodies formed in

Blood

Brain

Small intestine

Liver

Deficiency in insulin is a major cause of ketosis

True

False

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