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Quiz in LIPIDS (CC1 - Lec)

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

Which of the following is not a main lipid in human plasma?

a)

cholesterol

b)

phospholipid

c)

triglyceride

d)

chylomicrons

2.

Which of the following is not a function of lipids in the body?

a)

source of energy

b)

precursor of hormones

c)

acts as buffer in the blood

d)

thermal insulators

3.

Which of the following structures is a lipid?

a)
b)
c)
4.

(1) Saturated fatty acids have double bonds.

(20 Unsaturated fatty acids have no double bonds.

a)

only statement 1 is correct

b)

only statement 2 is correct

c)

both statements are correct

d)

both statements are incorrect

5.

(1) Unsaturated fatty acids are liquid at room temperature.

(2) It becomes solid at refrigerator temperature.

a)

only statement 1 is correct

b)

only statement 2 is correct

c)

both statements are correct

d)

both statements are incorrect

6.

(1) Saturated fatty acids have only carbon-carbon single bonds.

(2) That is why it is considered as the "good fat".

a)

only statement 1 is correct

b)

only statement 2 is correct

c)

both statements are correct

d)

both statements are incorrect

7.

Saturated fatty acids end in ____________.

a)

-oic acid

b)

-anoic acid

c)

-enoic acid

d)

-cyclic acid

8.

Unsaturated fatty acids end in ________.

a)

-oic acid

b)

-anoic acid

c)

-enoic acid

d)

-cyclic acid

9.

(1) Trans fatty acids have H atoms located on the opposite side of the C=C double bond.

(2) It is solid at room temperature.

a)

only statement 1 is correct

b)

only statement 2 is correct

c)

both statements are correct

d)

both statements are incorrect

10.

The following are essential fatty acids, except:

a)

linoleic acid

b)

linolenic acid

c)

oleic acid

d)

arachidonic acid

11.

Which of the following lipids has 3 fatty acids attached to a glycerol by ester bonds?

a)

phospholipids

b)

triglycerides

c)

cholesterol

d)

NEFA

12.

Which of the following lipids has two fatty acids (1 saturated, 1 unsaturated) attached to a glycerol?

a)

cholesterol

b)

phospholipid

c)

triglyceride

d)

NEFA

13.

What organ is responsible for the lipid absorption?

a)

large intestine

b)

small intestine

c)

kidneys

d)

liver

14.

What lipoprotein is responsible for the transport of lipids from the food we eat to the different cells in the body?

a)

LDL

b)

HDL

c)

VLDL

d)

chylomicrons

15.

What lipoprotein transports endogenous cholesterol and triglycerides from the liver to the different cells in the body?

a)

HDL

b)

LDL

c)

VLDL

d)

chylomicrons

16.

Which of the following is considered as the "bad cholesterol"?

a)

HDL

b)

LDL

c)

VLDL

d)

chylomicrons

17.

Which of the following is regarded as the "good cholesterol"?

a)

HDL

b)

LDL

c)

VLDL

d)

chylomicrons

18.

What enzyme converts VLDL to LDL?

a)

LCAT

b)

LPL

c)

CETP

d)

all of these

19.

What lipoprotein transports the excess cholesterol from cells back to the liver?

a)

HDL

b)

LDL

c)

VLDL

d)

chylomicrons

20.

What is the major protein in HDL?

a)

apo A

b)

apoB

c)

apoC

d)

apoD

21.

Which of the following apolipoproteins is only found in chylomicrons and serve as its receptor to the liver?

a)

apoB-48

b)

apoB-100

c)

apoC-1

d)

apoE

22.

What is the most dense lipoprotein?

a)

HDL

b)

LDL

c)

VLDL

d)

chylomicron

23.

Which of the following hyperlipoproteinemias is not paired correctly?

a)

Type I - Familial lipoprotein lipase deficiency

b)

Type II - Familial dysbetalipoproteinemia

c)

Type IV - Familial hypertriglyceridemia

d)

Type V - Mixed lipemia

24.

What lipoprotein is mostly involved in the formation of atherosclerosis?

a)

HDL

b)

LDL

c)

VLDL

d)

chylomicrons

25.

Which of the following hypolipoproteinemias is caused by the deficiency of the hexosaminidase A which results to the accumulation of fatty substances in the brain?

a)

Tangier Disease

b)

Bassen-Kornzweig Syndrome

c)

Niemann-Pick Disease

d)

Tay-Sachs Disease