Chp 26 penny questions

16. Achondroplasia is associated with all of the following except: a. Frontal bossing b. Flattened nasal bridge c. Trident hand d. Absent mineralization of the skull

Absent mineralization of the skull

2. The artifact seen posterior td solid structures such as fetal bone is referred to as:

Acoustic shadowing

3. The disorder associated with fetal amputations is:

Amniotic band syndrome

13. The group of fetal head and brain abnormalities that often coexists with spina bifida is referred to as:

Arnold-Chiari II malformation

4. The form of inheritance in which at least one parent has to be a carrier of an abnormal gene for it to be passed to the fetus is:

Autosomal dominant

8. In VACTERL association, the letter "C" stands for

Cardiac

19. An absent sacrum and coccyx is referred to as:

Caudal regression syndrome

1. Talipes equinovarus is associated with:

Clubfoot

22. A bell-shaped chest and multiple fetal fractures are indicative of:

Osteogenesis imperfecta

10. The abnormal lateral curvature of the spine is referred to as:

Scoliosis

18. Rhizomelia denotes:

Shortening of the proximal segment of a limb

30. What condition is associated with bilateral renal agenesis, oligohydramnios, and fusion of the lower extremities?

Sirenomelia

12. A disorder that results in abnormal bone growth and dwarfism is:

Achondroplasia

15. The most common nonlethal skeletal dysplasia is:

Achondroplasia

5. The condition associated with the absence of the sacrum and coccyx:

Caudal regression syndrome

11. All of the following are clinical or sonographic findings consistent with limb-body wall complex except a. Ventral wall defects b. Decreased MSAFP c. Marked scoliosis d. Shortened umbilical cord

Decreased MSAFP

6. All of the following are characteristics of spina bifida occulta except: a. Closed defect b. Elevated MSAFP c. Sacral dimple d. Hemangioma

Elevated MSAFP

9. All of the following are associated with spina bifida except: a. Splaying of the laminae b. Enlarged posterior fossa c. Lemon sign d. Hydrocephalus

Enlarged posterior fossa

29. A protein produced by the yolk sac and fetal liver that is found in excess in the maternal circulation in the presence of a neural tube defect is:

Estriol

14, In VACTERL association, the letter "L" stands for:

Limb

17. The thalamic tissue located within the third ventricle of the brain that can become enlarged with Arnold-Chiari lI malformation is:

Massa intermedia

Sirenomelia is commonly referred to as:

Mermaid syndrome

20. All of the following are characteristic sonographic findings of achondrogenesis except: a. Micromelia b. Absent mineralization of the pelvis c. Multiple dislocated joints d. Polyhydramnios

Multiple dislocated joints

7. All of the following are characteristics of spina bifida cystica except: a. Banana sign b. Lemon sign c. Enlarged mass intermedia d. Normal MSAFP

Normal MSAFP

21. Upon sonographic interrogation of a 28-week is applied pregnancy, you note that when pressure to the fetal skull, the skull can be easily distorted. This is sonographic evidence of:

Osteogenesis imperfecta

27. Sonographically, you visualize a mass extending from the distal spine of a fetus. This mass could be all of the following except: a. Sacrococcygeal teratoma b. Meningocele c. Meningomyelocele d. Phocomeningocele

Phocomeningocele

26. Absence of the radlius is referred to as:

Radial ray defect

23. All of the following are signs of Arnold-Chiari lI syndrome except: a. S-shaped spine b. Banana sign c. Lemon sign d. Colpocephaly

S-shaped spine

24. All of the following are associated with amniotic band syndrome except: a. Amputation of fetal parts b. Anencephaly c. Facial clefting d. Synechiae

Synechiae

28. A cloverleaf skull and hydrocephalus is seen with

Thanatophoric dysplasia