Chapter 25

Question 1

1. The isolated enlargement of the fetal thyroid is referred to as:
   a. Fetal goiter
   b. Cystic hygroma
   c. Lymphangioma
   d. Cervical teratoma

Answer 1

Fetal goiter

Question 2

7. The fetal lip typically closes by:
   a. 18 weeks
   b. 8 weeks
   c. 13 weeks
   d. 6 weeks

Answer 2

8 weeks

Question 3

12. Which of the following would be most difficult to detect sonographically?
    a. Cleft lip and cleft palate
    b. Isolated cleft lip
    c. Isolated cleft palate
    d. Isolated median cleft

Answer 3

Isolated cleft palate

Question 4

17. Which of the following may also be referred to as Turner syndrome?
    a. Down syndrome
    b. Trisomy 15
    c. Trisomy 13
    d. Monosomy X

Answer 4

Monosomy X

Question 5

28. The growth disorder syndrome synonymous with organ, skull, and tongue enlargement is:
    a. Klinefelter syndrome
    b. Apert syndrome
    c. Meckel-Gruber syndrome
    d. Beckwith-Wiedemann syndrome

Answer 5

Beckwith-wiedemann syndrome

Question 6

30. Close-set eyes and a nose with a single nostril is termed:
    a. Cebocephaly
    b. Cyclopia
    c. Ethmocephaly
    d. Epignathus

Answer 6

Cebocephaly

Question 7

33. At what level is the nuchal fold measurement obtained?
    a. Cavum septum pellucidum
    b. Occipital horns of the lateral ventricle
    c. Brain stem
    d. Foramen magna

Answer 7

CSP

Question 8

34. Fusion of the orbits is termed:
    a. Microglossia
    b. Cebocephaly
    c. Cyclopia
    d. Ethmocephaly

Answer 8

Cyclopia