KAHSSO KINE 4020 MOCK MIDTERM 2
Disclaimer: This test is purely for study purposes; it is not meant to be representative of the
format of difficulty of the actual exam. Do not use this as your only source of studying. Mock
Test made by KAHSSO Peer Tutors.
1. What is untrue about monounsaturated fatty acids?
a) They have 2 double bonds
b) They lack hydrogen atoms at a carbon molecule
c) They do not stack well together because they are bent
d) They are liquid at room temperature
2. Trans fatty acids...
a) have their hydrogens on the same side of the double bond
b) have their hydrogens on opposite sides of the double bond
c) have their hydrogen molecules bent into a “u” shape
d) B and C
3. What is true about Bile during fat digestion...
a) it is secreted into the small intestine
b) bile turns large fat globules into smaller fat goblets
c) bile has an affinity for water, but not fat
d) A and B
4. Short and medium- chained fatty acids have to be arranged into chylomicrons
before being absorbed into the bloodstream.
T/F
5. High-density lipoproteins...
a) are formed in the liver
b) removes cholesterol from cells and brings them to the liver for recycling
c) are derived from VLDL
d) All of the above
e) A and B
6. Omega-3 fatty acids are ...
a) important for maintaining the health of your heart, eyes and brain
b) can be found in fish oils
c) are long chain polyunsaturated fatty acids
d) All of the above
7. Chylomicrons are...
a) lipoproteins formed in the stomach
b) used for transporting and absorbing large fatty acids
c) not soluble in water
d) A and B
8. Very low density lipids are...
a) from dietary sources
b) made in the liver
c) used to deliver lipids to cells of the body
d) All of the above
e) B and C
9. What of the followings are not lipids found in foods?
a) Triglycerides
b) Adipose
c) Phospholipids
d) Sterols
e) None of the above
10. In this fatty acid chain the hydrogens are on the same side
a) Cis
b) Trans
11. Condensation is also known as?
a) Hydroxylation
b) Precipitation
c) Hydrogenation
d) None of the above
12. Polyunsaturated fats are more firm than saturated fats
a) True
b) False
13. Which of the following are false for the composition of phospholipids?
a)
b)
c)
d)
e)
Glycerol backbone
3 fatty acid
phosphate
all of the above
none of the above
14. Digestive enzymes are?
a) Hydrophobic
b) hydrophilic
15. Another name for omega-3 fatty acid is?
a) Linolenic acid
b) Docosahexaenoic acid
c) Eicosapentaenoic acid
d) Linoleic acid
e) None of the above
16. From biggest to smallest, which of the following is correct?
a) HDL, LDL, VLDL, Chylomicron
b) Chylomicron, VLDL, LDL, HDL
c) Chylomicron, LDL, VLDL, HDL
d) None of the above
17. Adipose tissue actively secretes several hormones.
a. True
b. False
18. What does it mean when a fatty acid is essential?
a. Created by the body
b. Supplied only by the diet
c. Converted in the body
d. A type of hormone
19. The body can store an unlimited amount of fat.
a. True
b. False
20. Where is lecithin made?
a. Gallbladder
b. Spleen
c. Liver
d. Small intestine
21. Which of the following is not true about chylomicrons?
a. The largest lipoprotein
b. The least dense lipoprotein
c. Removes cholesterol from the cells and carries it back to the liver
d. Protein receptors on liver cells remove remnants from the blood
22. Cholesterol can be found in:
a. Meat
b. Eggs
c. Fish
d. Plants
e. a and b
f. a, b and c
g. All of the above
23. When fat enters the small intestine, it triggers the release of what hormone?
a. Lingual Lipase
b. Cholecystokinin
c. Adipokines
d. Micelles
24. What is not true about omega-3 fatty acids?
a. prevents blood clots
b. Lowers blood pressure
c. Increases inflammation
d. Supports a healthy immune system
25. . Triglycerides are composed of
a)
b)
c)
d)
e)
f)
2 saturated fatty acids and 2 glycerol molecules
3 saturated fatty acids and 1 glycerol molecule
2 saturated fatty acids and 2 glycerol molecules
1 unsaturated fatty acid and 3 glycerol molecules
3 unsaturated fatty acids and 1 glycerol molecule
more than one of the above
26. . Hydrogenation
a) adds H to an unsaturated fatty acids
b) adds H to a saturated fatty acid
c) coverts a liquid fat into a more solid form
d) coverts a solid fat into a more liquid form
e) a and c
f) b and d
27. . Phospholipids are
a)
b)
c)
d)
e)
f)
insoluble in water
soluble in water due to the glycerol backbone
soluble in water due to the phosphate
found on the surface of lipoproteins
components of the cell membrane
all of the above except one
28. . Which of the following is not true about a phospholipid
a)
b)
c)
d)
e)
f)
it is composed of a glycerol backbone
it consists of 1 fatty acid
it has a phosphate
they are soluble in water
they are made by our body
none of the above
29. Which of the following is not true about bile
a)
b)
c)
d)
e)
f)
is released by the gall bladder
is made using cholesterol
is produced by the liver
is released in response to increased Cholecystokinin
acts as an emulsifier
is stored in the duodenum
30. Sterols and steroids
a)
b)
c)
d)
e)
f)
have a ring structure
can be found in the cell membrane where they provide fluidity
an example would be cholesterol
are precursors fro the bile
are precursors for Vitamin D
all of the above
31. A good source of eicosapentaenoic acid is
a)
b)
c)
d)
e)
f)
canola oil
eggs
vegetable oils
human milk
nuts and seeds
all of the above
32. Long chains of fatty acids are not
a)
b)
c)
d)
e)
f)
broken down by acetyl CoA
broken down two carbons at at time and attached to coenzyme A
a more efficient source of energy compared to carbohydrates and proteins
assembled into chylomicrons
going to go through the lymphatic system unlike shorter chain fatty acids
going to initially bypass the liver