FNDH 620 EXAM 2 NUTRIENT METABOLISM POP QUIZ
What are the most prevalent saturated fatty acids in average US diet?
a. palmitic and stearic acid
b. oleic and linoleic
c. linoleic and linolenic
d. acetic and butyric - Answers :a. palmitic and stearic acid
What are the most prevalent unsaturated fatty acids in average US diet?
a. palmitic and stearic acid
b. oleic and linoleic
c. linoleic and linolenic
d. acetic and butyric - Answers :b. oleic and linoleic acid
What is formed when fatty acids are oxidized in the mitochondria?
a. glycerol
b. pyruvate
c. triacylglyceride
d. acetyl coA - Answers :d. acetyl coA
What is the normal product of the fatty acid synthase?
a. triacylglyceride
b. palmitate
c. n-3 fatty acid
d. n-6 fatty acid - Answers :b. palmitate (16:0)
Which fatty acid is considered essential and must be supplied by the diet?
a. a-linolenic acid
b. linoleic acid
c. y-linolenic acid
d. arachidonic acid
e. a and b - Answers :e. a and b
Humans build about ______ mg of cholesterol each day.
a. 100
b. 300
c. 700
d. 2000 - Answers :c. 700 mg/day
Cholesterol is the precursor of all the following except:
a. estrogens and androgens
b. glucocorticoids
c. bile acids
d. vitamin D
, e. phospholipids - Answers :e. phospholipids
What is the most active site of lipid digestion?
a. stomach
b. duodenum
c. upper jejunum
d. ileum - Answers :c. upper jejunum
The main function of lipoproteins is
a. to facilitiate lipid digestion
b. to protect against CVD
c. to act as the carrier of lipids
d. to provide energy
e. all of the above - Answers :c. to act as the carrier of lipids
The main component of a HDL molecule is protein.
a. true
b. false - Answers :a. true
The main component of an LDL molecule is cholesterol
a. true
b. false - Answers :a. true
Chylomicrons leave the intestine via what? - Answers :lymphatic system and enter the
vein
LDL-cholesterol is often termed "bad cholesterol" because it has been linked to
atherogenic fatty plaque formation.
a. true
b. false - Answers :a. true
Trans unsaturated fatty acids are now considered more atherogenic than saturated fatty
acids because they
a. are unnatural and only formed during fat processing
b. cause excess blood clotting
c. elevate serum LDL while decreasing HDL
d. are saturated completely. - Answers :c. elevate serum LDL while decreasing HDL
The mechanism action of Orlistat is
a. to inhibit pancreatic lipase activity
b. to destroy bile acids in the small intestine
c. to decrease appetite
d. none of the above
e. all of the above - Answers :a. to inhibit pancreatic lipase activity
What hormone is considered to be an antagonist of lipolysis?
What are the most prevalent saturated fatty acids in average US diet?
a. palmitic and stearic acid
b. oleic and linoleic
c. linoleic and linolenic
d. acetic and butyric - Answers :a. palmitic and stearic acid
What are the most prevalent unsaturated fatty acids in average US diet?
a. palmitic and stearic acid
b. oleic and linoleic
c. linoleic and linolenic
d. acetic and butyric - Answers :b. oleic and linoleic acid
What is formed when fatty acids are oxidized in the mitochondria?
a. glycerol
b. pyruvate
c. triacylglyceride
d. acetyl coA - Answers :d. acetyl coA
What is the normal product of the fatty acid synthase?
a. triacylglyceride
b. palmitate
c. n-3 fatty acid
d. n-6 fatty acid - Answers :b. palmitate (16:0)
Which fatty acid is considered essential and must be supplied by the diet?
a. a-linolenic acid
b. linoleic acid
c. y-linolenic acid
d. arachidonic acid
e. a and b - Answers :e. a and b
Humans build about ______ mg of cholesterol each day.
a. 100
b. 300
c. 700
d. 2000 - Answers :c. 700 mg/day
Cholesterol is the precursor of all the following except:
a. estrogens and androgens
b. glucocorticoids
c. bile acids
d. vitamin D
, e. phospholipids - Answers :e. phospholipids
What is the most active site of lipid digestion?
a. stomach
b. duodenum
c. upper jejunum
d. ileum - Answers :c. upper jejunum
The main function of lipoproteins is
a. to facilitiate lipid digestion
b. to protect against CVD
c. to act as the carrier of lipids
d. to provide energy
e. all of the above - Answers :c. to act as the carrier of lipids
The main component of a HDL molecule is protein.
a. true
b. false - Answers :a. true
The main component of an LDL molecule is cholesterol
a. true
b. false - Answers :a. true
Chylomicrons leave the intestine via what? - Answers :lymphatic system and enter the
vein
LDL-cholesterol is often termed "bad cholesterol" because it has been linked to
atherogenic fatty plaque formation.
a. true
b. false - Answers :a. true
Trans unsaturated fatty acids are now considered more atherogenic than saturated fatty
acids because they
a. are unnatural and only formed during fat processing
b. cause excess blood clotting
c. elevate serum LDL while decreasing HDL
d. are saturated completely. - Answers :c. elevate serum LDL while decreasing HDL
The mechanism action of Orlistat is
a. to inhibit pancreatic lipase activity
b. to destroy bile acids in the small intestine
c. to decrease appetite
d. none of the above
e. all of the above - Answers :a. to inhibit pancreatic lipase activity
What hormone is considered to be an antagonist of lipolysis?
