Knowledge Check

Which of the following is true:

a

Folate is an A vitamin

b

Folate is a B vitamin

c

Folate is a C vitamin

d

Folate is a D vitamin

Which of the following is/are true:

a

Folic acid is the natural form of folate found in food

b

Folic acid is the synthetic form of folate

c

Folic acid is polyglutamated

d

Folic acid is a reduced form of folate

e

Folic acid is better absorbed than natural folate

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What happened in the late 1990s that reduced the incidence of folate deficiency?

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Many countries mandated food fortification with folic acid

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Name the 3 main modifications of folate

Click for Answer

Mono vs. polyglutamate
Oxidized vs. reduces
Covalently bonded one-carbon units

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What did Choosing Wisely advise regarding diagnosis of folate deficiency?

Click for Answer

Do not order red blood cell folate levels at all. In adults, consider folate supplementation instead of serum folate testing in patients with macrocytic anemia.

Match the parameter with the vitamin deficiency

Neural tube defects

Elevated serum LDH

Elevated serum homocysteine

Decreased serum haptoglobin

Intrinsic factor antibodies

Unsteady gait

Increased methylmalonic acid

Pancytopenia

Megaloblastic anemia

Hypersegmented neutrophils

Parietal cell antibodies

Folate deficiency alone

Vitamin B12 deficiency alone

Both folate and vitamin B12 deficiency

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