Lipids

Question 0

Primary source of fuel

Answer 0

Lipids

Question 1

Commonly referred to as fats

Answer 1

Lipids

Question 2

Conjugated lipids

Answer 2

Phospholipids

Question 3

Most abundant lipids are derived from where?

Answer 3

Phosphatidic acid

Question 4

Formed by the conjugation of two fatty acids and a phosphorylated glycerol

Answer 4

Phospholipids

Question 5

Only phospholipid not derived from glycerol

Answer 5

Sphingomyelin

Question 6

Sphingomyelin is derived from an amino alcohol called __________

Answer 6

Sphingosine

Question 7

Sphingomyelin accumulates in the liver and spleen of patients suffering from what?

Answer 7

Niemann-Pick disease

Question 8

Unsaturated steroid alcohol containing four rings and has a single C-H side chain tail similar to fatty acids

Answer 8

Cholesterol

Question 9

True or False: Cholesterol serves as a source of fuel

Answer 9

False

Question 10

Transport and excretion of cholesterol is promoted by what hormone?

Answer 10

Estrogen

Question 11

Precursor of five major classes of steroids

Answer 11

Cholesterol

Question 12

Cholesterol bound to fatty acid (hydrophobic form)

Answer 12

Cholesterol ester

Question 13

Catalyzes the eterification of cholesterol by promoting the transfer of fatty acids from lecithin to cholesterol

Answer 13

Lecithin-Cholesterol Acyl Transferase (LCAT)

Question 14

Activator of LCAT

Answer 14

Apo A-1

Question 15

Polar nonesterified form of alcohol

Answer 15

Free cholesterol

Question 16

Linear chains of carbon-hydrogen bonds that terminate with a carboxyl group

Answer 16

Fatty acids

Question 17

Provide substance for conversion to glucose (gluconeogenesis)

Answer 17

Fatty acids

Question 18

Enzyme that hydrolyzes TAG in lipoproteins and release of fatty acid and glycerol

Answer 18

Lipoprotein lipase

Question 19

Enzyme that hydrolyzes TAG and phospholipids from HDL

Answer 19

Hepatic lipase

Question 20

Enzyme that hydrolyzes lipids on VLDL and IDL

Answer 20

Hepatic lipase

Question 21

Catalyzes the esterification of cholesterol from HDL

Answer 21

LCAT

Question 22

Enables HDL to accumulate cholesterol as cholesterol ester

Answer 22

LCAT

Question 23

Hydrolyzes phospholipids and TAG in HDL

Answer 23

Endothelial lipase

Question 24

Its main purpose is to transport TAG and cholesterol to sites of energy storage and utilization

Answer 24

Lipoproteins

Question 25

Largest and least dense of the lipoprotein particles

Answer 25

Chylomicrons

Question 26

Where are chylomicrons produced?

Answer 26

Intestine

Question 27

Transports exogenous/dietary TAG to liver, muscles and fat depot

Answer 27

Chylomicrons

Question 28

Which organ secretes VLDL?

Answer 28

Liver

Question 29

Transports expgenous TAG from liver to muscle, fat depots and peripheral tissues

Answer 29

VLDL

Question 30

Smallest lipoprotein and least dense

Answer 30

HDL

Question 31

Alpha lipoprotein

Answer 31

HDL

Question 32

Pre-beta lipoprotein

Answer 32

VLDL

Question 33

Beta lipoprotein

Answer 33

LDL

Question 34

Major end product resulting from the catabolism of VLDL

Answer 34

LDL

Question 35

Most cholesterol-rich lipoprotein

Answer 35

LDL

Question 36

Product of VLDL catabolism

Answer 36

Intermediate density lipoprotein (IDL)

Question 37

Electrophoretic pattern of lipoproteins

Answer 37

HDL, VLDL, LDL, Chylomicrons

Question 38

Subclass of LDL

Answer 38

IDL

Question 39

“Sinking pre-B lipoprotein”

Answer 39

Lipoprotein a

Question 40

Abnormal lpp found in obstructive jaundice and LCAT deficiency

Answer 40

Lipoprotein X

Question 41

“Abnormally migrating B-VLDL”

Answer 41

B-VLDL/floating B-lpp

Question 42

Reference mtd for the quantitation of lpp

Answer 42

Ultracentrifugation