Research Has Shown That the Risk for Neural Tube Defects

question 77

Multiple Choice

Research has shown that the risk for neural tube defects is lowered by taking supplements of

• A)niacin.
• B)folate.
• C)vitamin C.
• D)vitamin B₁₂.
• E)thiamin.

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Definitions:

Embryo

An early stage of development in multicellular organisms after fertilization and before the fetus stage in humans.

Conception

The union of a sperm cell and an ovum that occurs when the chromosomes of each of these cells combine to form 23 new pairs.

Infants

Young children from birth to one year of age, who are in the earliest stages of childhood development.

Speech Sounds

The distinct units of sound in a language that distinguish one word from another.