1. Which is TRUE about neural tube defects?

a. The most common form of neural tube defect is anencephaly.

b. They include genetic disorders of the liver and kidney.

c. Higher intakes of folate in early pregnancy have resulted in decreased incidence of spina bifida in populations at risk.

d. Spina bifida is caused by an incomplete closure of the spinal cord in the vertebrae at weeks 12-16 of pregnancy.

2. Which of the following is a feature of calcium nutrition in pregnancy?

a. The AI increases by over 100%

b. Intestinal absorption increases substantially

c. Supplements are required for most women due to the increased needs

d. Transfer of calcium from maternal stores to the fetus increases rapidly at the beginning of the second trimester and falls during the last trimester