A Recommendation to Prevent Neural Tube Defects Is the Supplementation

question 6

Multiple Choice

A recommendation to prevent neural tube defects is the supplementation of which of the following?

• A)Vitamin A throughout pregnancy
• B)Multivitamin preparations as soon as pregnancy is suspected
• C)Folic acid for all women of childbearing age
• D)Folic acid during the first and second trimesters of pregnancy

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Definitions:

Known Variance

In statistics, refers to a situation where the variance of a population is a known quantity, facilitating certain types of inference.

P(T<=t) Two-Tail

The probability that the test statistic T will fall in either tail of its distribution, assuming the null hypothesis is true, used in two-tailed tests.

Significance Level

A statistical measure that determines the threshold at which the null hypothesis is rejected, commonly represented by the alpha (α) symbol and set before the experiment.

Treatment Group

In experimental research, the group of participants that receives the treatment or intervention being tested, as opposed to the control group.