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Goose7701 Goose7701
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6 years ago
Adequate intake of __________ by a mother-to-be
  before and during early pregnancy may reduce the
  risk of spina bifida and other serious neural tube
  defects.
  a. carbohydrates
  b. folic acid
  c. calcium
  d. vitamin C
  e. sodium

Question 2

The central nervous system is most sensitive to
  teratogens during weeks __________ of
  development.
  a. 316
  b. 46
  c. 48
  d. 68
  e. 718
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MtnimpMtnimp
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6 years ago
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Goose7701 Author
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#2
6 years ago
What an excellent community, thanks for answering
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