One vitamin has been identified as helping to prevent neural tube ...

[casperchen82]

One vitamin has been identified as helping to prevent neural tube defects when consumed in adequate amounts before conception through the early weeks of pregnancy. Which vitamin is it?
 
  A) Vitamin B6 B) Riboflavin C) Niacin D) Folic acid

Question 2

Nutritional requirements generally go up during pregnancy. Which nutritional requirement proportionally increases the most during pregnancy?
 
  A) Calories B) Protein C) Iron D) Vitamin A

[heyhey123]

Answer to Question 1

D
Feedback:
Folic acid is a necessary nutrient in the development phase of the neural tubes. If the mother is deficient, the developing fetus may suffer a birth defect of the neural tubes.

Answer to Question 2

A
Feedback:
According to the DRIs, pregnant women do not need additional calories until the second trimester. An extra 340 cal/day is recommended during the second trimester. An extra 452 cal/day is recommended during the third trimester.