Ch. 26 Obstetric Sonography Review Flashcards

1
Q
Talipes equinovarus is associated w/:
Clubfoot
Syndactyly
Rhizomelia
Rockerbottom feet
A

Clubfoot

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2
Q
The artifact seen posterior to solid structures such as fetal bone is referred to as:
Acoustic shadowing
Posterior enhancement
Reverberation artifact
Edge artifact
A

Acoustic shadowing

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3
Q
The disorder associated w/ fetal amputations is:
Achondroplasia
Osteogenesis imperfecta
Thanatophoric dysplasia
Amniotic band syndrome
A

Amniotic band syndrome

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4
Q
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 recessive
Autosomal dominant
Inherited dominant
Inherited recessive
A

Autosomal dominant

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5
Q

The condition associated w/ the absence of the sacrum and coccyx:

  • Limb-body wall complex
  • Caudal regression syndrome
  • Thanatophoric dwarfism
  • Heterozygous achondroplasia
A

Caudal regression syndrome

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6
Q
All of the following are characteristics of spina bifida occulta except:
Closed defect
Elevated MSAFP
Sacral dimple
Hemangioma
A

Elevated MSAFP

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7
Q
All of the following are characteristics of spina bifida cystica except:
Banana sign
Lemon sign
Enlarged mass intermedia
Normal MSAFP
A

Normal MSAFP

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8
Q
In VACTERL association, the letter "C" stands for:
Cerebellar
C-spine
Cranial
Cardiac
A

Cardiac

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9
Q

All of the following are associated w/ spina bifida except:

  • Splaying of the laminae
  • Enlarged posterior fossa
  • Lemon sign
  • Hydrocephalus
A

Enlarged posterior fossa

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10
Q
The abnormal lateral curvature of the spine is referred to as:
Kyphosis
Scoliosis
Splaying
Achondroplasia
A

Scoliosis

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11
Q

All of the following are clinical or sonographic findings consistent w/ limb-body wall complex except:

  • Ventral wall defects
  • Decreased MSAFP
  • Marked scoliosis
  • Shortened umbilical cord
A

Decreased MSAFP

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12
Q

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

  • Osteogenesis imperfecta
  • Achondroplasia
  • Radial ray defect
  • Caudal regression syndrome
A

Achondroplasia

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13
Q
The group of fetal head and brain abnormalities that often coexists w/ spina bifida is referred to as:
Dandy-Walker malformation
Budd-Chiari syndrome
Arnold-Chiari II malformation
Amniotic band syndrome
A

Arnold-Chiari II malformation

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14
Q
In VACTERL association, the letter "L" stands for:
Limb
Lung
Liver
Larynx
A

Limb

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15
Q
The most common nonlethal skeletal dysplasia is:
Achondrogenesis
Achondroplasia
Thanatophoric dysplasia
Osteogenesis imperfecta
A

Achondroplasia

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16
Q
Achondroplasia is associated w/ all of the following except:
Frontal bossing
Flattened nasal bridge
Trident hand
Absent mineralization of the skull
A

Absent mineralization of the skull

17
Q
The thalamic tissue located w/in the 3rd ventricle of the brain that can become enlarged w/ Arnold-Chiari II malformation is:
Corpus callosum
Cerebellar vermis
Cavum septum pellucidum
Massa intermedia
A

Massa intermedia

18
Q

Rhizomelia denotes:

  • Long upper extremeties
  • Shortening of an entire limb
  • Shortening of the proximal segment of a limb
  • Shortening of the distal segment of a limb
A

Shortening of the proximal segment of a limb

19
Q
An absent sacrum and coccyx is referred to as:
Sirenomelia
Caudal regression syndrome
Achondroplasia
Radial ray defect
A

Caudal regression syndrome

20
Q

All of the following are characteristic sonographic findings of achondrogenesis except:

  • Micromelia
  • Absent mineralization of the pelvis
  • Multiple dislocated joints
  • Polyhydramnios
A

Multiple dislocated joints

21
Q
Upon sonographic interrogation of a 28-wk pregnancy, you note that when pressure is applied to the fetal skull, the skull can be easily distorted. This is sonographic evidence of:
Arnold-Chiari II malformation
Achondroplasia
Thanatophoric dysplasia
Osteogenesis imperfecta
A

Osteogenesis imperfecta

22
Q
A bell-shaped chest and multiple fetal fractures are indicative of:
Thanatophoric dysplasia
Cuadal regression syndrome
Achondrogenesis
Osteogenesis imperfecta
A

Osteogenesis imperfecta

23
Q
All of the following are signs of Arnold-Chiari II syndrome except:
S-shaped spine
Banana sign
Lemon sign
Colpocephaly
A

S-shaped spine

24
Q
All of the following are associated w/ amniotic band syndrome except:
Amputation of fetal parts
Anencephaly
Facial clefting
Synechiae
A

Synechiae

25
Q
Sirenomelia is commonly referred to as:
Radial ray defect
Rhizomelia
Mermaid syndrome
Rockerbottom feet
A

Mermaid syndrome

26
Q
Absence of the radius is referred to as:
Talipes equinovarus
Clubfoot
Radial ray defect
Phocomelia
A

Radial ray defect

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

Phocomeningocele

28
Q
A cloverleaf skull and hydrocephalus is seen w/:
Achondrogenesis
Osteogenesis imperfecta
Sirenomelia
Thanatophoric dysplasia
A

Thanatophoric dysplasia

29
Q
A protein produced by the yolk sac and fetal liver that's found in excess in the maternal circulation in the presence of a neural tube defect is:
PAAP-A
hCG
Estriol
AFP
A

AFP

30
Q
What condition is associated w/ bilateral renal agenesis, oligohydramnios, and fusion of the lower extremities?
Sacrococcygeal teratoma
Caudal displacement syndrome
Sirenomelia
Osteogenesis imperfecta
A

Sirenomelia