1.
A cofactor for the transketolase reaction, making this vitamin vital for energy utilization
Correct Answer
B. Thiamine
2.
Reduced levels of NADPH may suggest deficiency in this vitamin
Correct Answer
B. Thiamine
Explanation
cofactor in the trasketolase reaction of PP pathway which generates NADPH
3.
Involved in the synthesis of acetylcholine and GABA
Correct Answer
B. Thiamine
4.
HIV/AIDs patients are at a greater risk for a deficiency in this vitamin
Correct Answer
B. Thiamine
5.
Refeeding syndrome places a patient at a greater risk for a deficiency in this vitamin
Correct Answer
B. Thiamine
6.
Cofactor in pyruvate dehydrogenase reaction
Correct Answer
B. Thiamine
7.
Build up of lactic acid may suggest a deficiency in this vitamin
Correct Answer
B. Thiamine
8.
Peripheral neuropathy and calf pain
Correct Answer
B. Thiamine
Explanation
dry beri beri
9.
Deficiency leads to Beri Beri
Correct Answer
B. Thiamine
10.
Patient X complains of confusion and difficulty walking; vital signs reveal tachycardia; physical exam is positive for 1+ pitting edema and he was later diagnosed with complete heart failure. Which vitamin is he lacking?
Correct Answer
B. Thiamine
Explanation
Beri bEri and WK
11.
Opthalmoplegia with lateral gaze palsy, ataxia, loss of spontaneity are all symptoms of deficiency in...
Correct Answer
B. Thiamine
Explanation
WK
12.
Wernicke's Encephalopathy
Correct Answer
B. Thiamine
13.
No UL
Correct Answer(s)
B. Thiamine
E. Vitamin B12
14.
Transketolase activity is the basis of a diagnostic test for a deficiency in this vitamin
Correct Answer
B. Thiamine
15.
A moderately healthy mother Y gives birth to baby Z; however baby Z soon develops edema, has an elevated heart rate, pale skin, ill temper and ultimately dies of heart failure. Baby Z and Mother Y were most likely deficient in....
Correct Answer
B. Thiamine
16.
Necessary for NAD and NADP synthesis
Correct Answer
D. Niacin
17.
This vitamin can be synthesized from tryptophan
Correct Answer
D. Niacin
18.
This vitamin may be bound to the carbohydrates in corn and need to be treated with alkali to make it bioavailable
Correct Answer
D. Niacin
19.
This vitamin is prescribed for the treatment of dyslipidemia
Correct Answer
D. Niacin
20.
Patients suffering from Hartnup's disease are at a risk for a deficiency in this vitamin
Correct Answer
D. Niacin
21.
Someone diagnosed with carcinoid tumor may need to worry about deficiency in this vitamin
Correct Answer
D. Niacin
22.
The patient complains of rashes in sun-exposed areas and Diarrhea for the past 2 days, her friend at bedside state that she has "just not been herself" and has been "acting very odd and somewhat Demented" If you don't act quick she may DIE.
Correct Answer
D. Niacin
Explanation
Pellagra
23.
The UL is 35 mg/day and is based on flushing. Other signs of toxicity include heartburn, nausea, vomiting, liver toxicity
Correct Answer
D. Niacin
24.
Excess in this vitamin may lead to hyperuricemia and gout
Correct Answer
D. Niacin
25.
Excess in this vitamin may lead to insulin insensitivity
Correct Answer
D. Niacin
26.
This vitamin is present in many foods that are rapidly growing
Correct Answer
C. Vitamin C
27.
High doses of this vitamin in the small intestine may cause bloating and diarrhea
Correct Answer
C. Vitamin C
28.
One of its metabolites is oxalic acid
Correct Answer
C. Vitamin C
29.
This vitamin functions as an antioxidant
Correct Answer
C. Vitamin C
30.
This vitamin facilitates absorption of non-heme iron
Correct Answer
C. Vitamin C
31.
This vitamin is involved in collagen synthesis
Correct Answer
C. Vitamin C
32.
This vitamin contributes to protein and nuerotransmitter metabolism
Correct Answer
C. Vitamin C
33.
The RDA for this vitamin is increased in smokers
Correct Answer
C. Vitamin C
Explanation
smoking imposes greater oxidative stress thus using up more of Vitamin C (antioxidant)
34.
The patient is bleeding from the gum, has poor wound healing, altered mental status and complains of recurrent infections, he may be deficient in this vitamin
Correct Answer
C. Vitamin C
Explanation
scurvy
35.
Excess of this vitamin may increase risk of oxalate kidney stones
Correct Answer
C. Vitamin C
36.
The primary biological functions of this vitamin are nucleotide synthesis and methylation of compounds
Correct Answer
A. Folate
37.
Intake of this vitamin early in pregnancy is associated with reduced incidence of neural tube defect spina bifida
Correct Answer
A. Folate
38.
Deficiency in this vitamin eventually leads to megalobastic anemia
Correct Answer(s)
A. Folate
E. Vitamin B12
39.
An excess of this vitamin may mask hematologic manifestation of Vitamin B12 deficiency
Correct Answer
A. Folate
40.
This vitamin has been fortified in cereals and grains in the U.S. since 1998; thus making a dietary deficiency rare
Correct Answer
A. Folate
41.
Which vitamins are involved in the conversion of methyl THF to THF, a reaction that also converts homocysteine to methionine
Correct Answer(s)
B. Folate
E. Vitamin B12
42.
A poor diet places you at a risk for developing a deficiency in which vitamins
Correct Answer(s)
A. Thiamine
B. Folate
C. Vitamin C
D. Niacin
E. Vitamin B12
43.
Alcoholics are at risk for developing deficiencies in which vitamins
Correct Answer(s)
A. Thiamine
B. Folate
C. Vitamin C
44.
Individuals with malabsorptive disorders are at a risk of developing deficiencies in which vitamin(s)?
Correct Answer(s)
A. Thiamine
B. Folate
C. Vitamin C
D. Niacin
E. Vitamin B12
45.
Deficiency results in macrocystosis
Correct Answer
B. Folate
46.
Vegans and/or vegetarians are at a greater risk for a deficiency in this vitamin
Correct Answer
E. Vitamin B12
47.
Cofactor in the conversion of methylmalonyl COA to succinyl CoA
Correct Answer
E. Vitamin B12
48.
Accumulation of methylmaloni acid (MMA) is an indicator of a deficiency in this vitamin
Correct Answer
E. Vitamin B12
49.
Total body stores of this vitamin is very high and deficiency due to intake generally develops over months to years in those with adequate stores
Correct Answer
E. Vitamin B12
50.
One of the clinical manifestation of a deficiency in this vitamin is neuronal death in the posterior and lateral columns of the spinal cord called subacute degeneration
Correct Answer
E. Vitamin B12