FNDH 620 Exam 2 (2022) COMPLETE
SOLUTIONS
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 - ✔
...
FNDH 620 Exam 2 (2022) COMPLETE
SOLUTIONS
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 - ✔✔Palmitic and stearic acid
What is formed when fatty acids are oxidized in the mitochondria?
A. glycerol;
B. pyruvate;
C. triacylglyceride;
D. acetyl CoA; - ✔✔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; - ✔✔Palmitate
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. - ✔✔A and BHumans build about ____mg of cholesterol each day.
A. 100
B. 300
C. 700
D. 2000 - ✔✔700
Cholesterol is the precursor of the following except:
A. Estrogens and androgens;
B. Glucocorticoids;
C. Bile acids;
D. Vitamin D;
E. Phospholipids. - ✔✔Phospholipids
What is the most active site of lipid digestion?
A. stomach
B. duodenum
C. upper jejunum
D. ileum - ✔✔Upper jejunum
The main function of lipoproteins is A. To facilitate lipid digestion;
B. To protect against CVD;
C. To act as the carrier of lipids;
D. To provide energy;
E. All of the above. - ✔✔To act as the carrier of lipids
The main component of a HDL molecule is protein.
A. TrueB. False - ✔✔True
LDL-cholesterol is often termed "bad cholesterol" because it has been linked to atherogenic fatty plaque
formation
A. True
B. False - ✔✔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. - ✔✔Elevate serum LDL while decreasing HDL
The mechanism of 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. - ✔✔To inhibit pancreatic lipase activity
Which hormone is considered to be an antagonist of lipolysis?
A. insulin
B. epinephrine
C. glucagon
D. Adrenocorticotropic hormone
E. None of the above. - ✔✔InsulinExcessive ketone bodies may be accumulated due to reduced supply of cellular glucose and a
concomitant _____ in fatty acid oxidation.
A. increase;
B. decrease;
C. no change. - ✔✔Increase
What is the legally intoxicated amount of alcohol in bloodstream? A. Less than 10 mg%;
B. 11-24 mg%;
C. 25-45 mg%;
D. 50-100 mg%;
E. None of the above. - ✔✔50-100 mg%
About ______ of the dry weight of a typical human cell is protein.
A. one-tenth
B. one-fifth
C. one-third
D. one-half - ✔✔One-half
Enzymes:
A. decrease the free energy change of a reaction;
B. increase the activation energy of a reaction;
C. decrease transition energy;
D. increase the equilibrium constant of a reaction;
E. None of the above. - ✔✔Decrease transition energy
Which of the following statements concerning collagen is not true?
A. Collagen is a major connective tissue protein;
B. Collagen is made up of tropocollagen;
C. Tropocollagen consists of three peptide chains that are cross-linked triple helix;D. Collagen has a large amount of glycine and proline;
E. Collagen contains unique hydroxyglycine and hydroxyproline. - ✔✔Collagen contains unique
hydroxyglycine and hydroxyproline
For each function listed in Questions 1-4, select the most closely related plasma proteins:
A. Albumin;
B. a1-globulins;
C. a2-globulins;
D. b-globulins;
E. y-globulins.
1. Nonspecific transport protein for fatty acids.
2. Inhibitor of elastase to protect against smoke induced obstructive lung disease.
3. Antibodies.
4. Major transport protein for copper - ✔✔1 - A
2- B
3- E
4- C
A deficiency in which of the following amino acids will result in Kwashiorkor, even through the diet may
contain a large amount of protein.
A. Serine;
B. Glutamate;
C. Tryptophan;
D. Alanine;
E. Asparagine. - ✔✔Tryptophan
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