The reason that lack of vitamin B12 causes megaloblastic changes is that vitamin B12:
a. Is needed for the formation of nucleotide bases
b. Is needed for the conversion of methionine to SAM
c. Initiates mitosis
d. Is needed for synthesis of intrinsic factor
Correct Answer: A
Health Professions
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How much Dextrose 5% must be mixed with Dextrose 70% to prepare 1,000 mL of Dextrose 20%?
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Which laser unit has articulated joints with mirrors at the bend points and requires that care must be taken not to disrupt the alignment of those mirrors during transport, because that could result in an unpredictable beam trajectory?
a. argon b. CO2 c. krypton d. Nd:YAG
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