400 Micrograms a Day of Folic Acid Are Recommended for All

question 37

Multiple Choice

400 micrograms a day of folic acid are recommended for all women of child-bearing age.Folic acid helps prevent neural tube defects in the first weeks of pregnancy, before most women even realize they are pregnant (and almost half of pregnancies in the U.S.are unintended) .Knowing that folic acid promotes proper neural tube closure, which disease can be prevented by this supplement?

• A)Spina bifida -- the vertebrae are unfused and may allow the spinal cord to protrude outside the body
• B)Horseshoe kidney -- the two kidneys are fused together across the midline
• C)Esophageal atresia -- the esophagous ends in a pouch, unconnected to the stomach
• D)Chronic otitis media -- frequent ear infections that can result from blocked eustachian tubes

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Definitions:

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A non-probability sampling technique where existing study subjects recruit future subjects from among their acquaintances, leading to exponential growth in sample size.

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