Physicians are currently able to correct spina bifida at around ...

[madam-professor]

Physicians are currently able to correct spina bifida at around the seventh or eighth month of pregnancy using
 
  a. genetic engineering.
 b. fetal surgery.
 c. chorionic villus sampling.
  d. ultrasound.

Question 2

One way to reduce the incidence of obesity in adolescence is to have teens engage in regular activity.. Which of the following defines such activity?
 
  a. Exercise must last for at least 60 minutes, two times per week.
  b. Exercise must occur at least five times a week.
 c. Exercise must burn at least 250 calories.
 d. Exercise must last for 30 minutes, three times per week.

[akemokai]

Answer to Question 1

b

Answer to Question 2

d