Question
Question 1
Down syndrome is the clinical manifestation of trisomy ___.
Question options:
1) 13
2) 15
3) 18
4) 21
Question 2
In Edwards syndrome, which of the following statements is true?
Question options:
1) Edwards syndrome is more common than Down syndrome
2) Most affected infants with Edwards syndrome die during the first year of life
3) Edwards syndrome is unlikely to cause developmental disability
4) Edwards syndrome is associated with elevated AFP
Question 3
Examples of neural tube defects include all of the following except:
Question options:
1) anencephaly
2) spina bifida
3) encephalocele
4) omphalocele.