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Post-Test
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1
Thiamin is a cofactor for the reaction that converts
A)Homocysteine to methionine
B)Pyruvate to acetyl-CoA
C)Succinate to fumarate
D)Pyruvic acid to alpha-ketoglutarate
2
A major source of riboflavin in the diet of North Americans is
A)Lentils and legumes
B)Poultry and beef
C)Dairy products
D)Citrus fruits
3
Which of the following is a toxicity symptom of niacin?
A)Liver damage
B)Flushing of the skin
C)GI tract upset
D)All of these choices are correct
4
Which are characteristics of a niacin deficiency?
A)Diarrhea
B)Dementia
C)Dermatitis
D)All of these choices are correct.
5
The niacin deficiency disease is called _____.
A)Rickets
B)Pellagra
C)Osteoporosis
D)Goiter
6
Which of the following is a pharmacological use of vitamin B6?
A)Headaches
B)Carpal tunnel syndrome, PMS, and morning sickness
C)Gastrointestinal absorption problems
D)None of these choices are correct.
7
Which of the following is NOT a main function of folate?
A)DNA synthesis
B)Amino acid metabolism
C)Bone health
D)Formation of neurotransmitters in the brain
8
Which vitamin requires R-protein and instrinsic factor to enhance absorption?
A)B12
B)Thiamin
C)Riboflavin
D)B6
9
Which of the following is TRUE regarding folate in a pregnant woman's diet?
A)It is teratogenic in excess
B)A deficiency may cause neural tube defects such as spina bifida
C)It is a B vitamin only obtained from animal foods
D)The body makes all that it needs of folate
10
Which of the following is an excellent source of folate?
A)Nuts and oils
B)Lentils
C)Leafy greens
D)Both lentils and leafy greens
11
Which of the following is a vegan source of vitamin B12?
A)Oil
B)Fortified soy milk and cereals
C)Leafy greens
D)Grains
12
Which of the following can hinder B12 absorption?
A)Tapeworm infestation
B)The use of some medications
C)The absence of part or all of the ileum or stomach
D)All of these choices are correct.
13
Which of the following is TRUE about choline?
A)It is now considered essential and associated with learning, memory, and muscle control.
B)Peanut butter has choline.
C)It is an important source of methyl groups for many reactions in the body.
D)All of these choices are correct.
14
Which of the following is a deficiency disease of Iodine?
A)Osteoporosis
B)Osteomalacla
C)Golter
D)Beriberi
15
Which is TRUE about carnitine and taurine?
A)They may be considered conditionally essential nutrients.
B)They are true vitamins.
C)They are essential.
D)They have been added to the "B" vitamins list.





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