2.2.1 Lipids and Lipoproteins (Components of Lipoproteins, Significant Apolipoproteins))

Question 1

Which of the following are surface protein?

a. Apolipoprotein
b. Phospholipid
c. Cholesterol (non-esterified)
d. All of the above

Answer 1

d

Question 2

Surface lipoprotein are hydrophobic group

T or F

Answer 2

F

Hydrophilic

Question 3

Phospholipid and Non-esterified cholesterol are both amphipathic

T or F

Answer 3

T

Amphipathic = Both polar and nonpolar groups

Question 4

In phospholipid, the head is polar (Hydrophilic) while the tale is nonpolar (Hydrophobic)

T or F

Answer 4

T

Question 5

In Non-esterified cholesterol, the hydroxyl group is nonpolar

T or F

Answer 5

F

Polar

Question 6

All of the following are core Lipoprotein except?

a. Triglyceride
b. Cholesteryl esters
c. Free fatty acids
d. None of the above

Answer 6

d

Question 7

Core components are nonpolar groups which means they are neutral

T or F

Answer 7

T

Question 8

Plasma concentration:

100-200

a. A-I
b. A-II
c. A-III
d. A-IV

Answer 8

a

Question 9

Plasma concentration:

10-20

a. A-I
b. A-II
c. A-III
d. A-IV

Answer 9

d

Question 10

Plasma concentration:

20 - 50

a. A-I
b. A-II
c. A-III
d. A-IV

Answer 10

b

Question 11

All Apo are mainly distributed in HDL except:

a. All with “A”
b. All with “B”
c. All with “C”
d. E

Answer 11

b

Question 12

Main distribution:

CM, VLDL, HDL

a. A-I
b. A-II
c. A-III
d. A-IV

Answer 12

d

Question 13

A-IV is distributed in CM, VLDL, HDL similarly to all “C”

T or F

Answer 13

T

Question 14

Main distribution:

HDL

a. A-I
b. A-II
c. A-III
d. A-IV

Answer 14

a and b

Question 15

Function:

LCAT

a. A-I
b. B-100
c. C-II
d. C-III

Answer 15

a

Question 16

All Apo are functionally structural except for?

Answer 16

E

Question 17

Plasma concentration:

70-125

a. B-100
b. B-48

Answer 17

a

Question 18

Plasma concentration:

< 5

a. B-100
b. B-48

Answer 18

b

Question 19

Main distribution:

VLDL, IDL, LDL

a. B-100
b. B-48

Answer 19

a

Question 20

Main distribution:

CM

a. B-100
b. B-48

Answer 20

b

Question 21

Function:

Remnant receptor ligand

a. B-100
b. B-48

Answer 21

b

Question 22

Function:

LDL-R ligand

a. A-I
b. B-100
c. C-II
d. C-III

Answer 22

b

Question 23

Plasma concentration:

5-8 mg/dl

a. C-I
b. C-II
c. C-III

Answer 23

a

Question 24

Plasma concentration:

3-7 mg/dl

a. C-I
b. C-II
c. C-III

Answer 24

b

Question 25

Plasma concentration:

10-12 mg/dl

a. C-I
b. C-II
c. C-III

Answer 25

c

Question 26

Function:

LPL cofactor

a. A-I
b. B-100
c. C-II
d. C-III

Answer 26

c

Question 27

Function:

LPL inhibitor

a. A-I
b. B-100
c. C-II
d. C-III

Answer 27

d

Question 28

Plasma concentration

3-15 mg/dl

Answer 28

E

Question 29

Apo “E” is distributed in CM, VLDL, IDL, remnants and HDL

T or F

Answer 29

T

Question 30

Recognition factor that targets chylomicron and VLDL remnants to hepatic receptor

Answer 30

E

Question 31

All Apo that function for structural maintains that structure on the surface

T or F

Answer 31

T