CH 26 Flashcards
The fetal spine & musculoskeletal system
Talipes equinovarus is associated w/: Clubfoot Syndactyly Rhizomelia Rockerbottom feet
Clubfoot
The artifact seen posterior to solid structures such as fetal bone is referred to as: Acoustic shadowing Posterior enhancement Reverberation artifact Edge artifact
Acoustic shadowing
The disorder associated w/ fetal amputations is: Achondroplasia Osteogenesis imperfecta Thanatophoric dysplasia Amniotic band syndrome
Amniotic band syndrome
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
Autosomal dominant
The condition associated w/ the absence of the sacrum and coccyx:
- Limb-body wall complex
- Caudal regression syndrome
- Thanatophoric dwarfism
- Heterozygous achondroplasia
Caudal regression syndrome
All of the following are characteristics of spina bifida occulta except: Closed defect Elevated MSAFP Sacral dimple Hemangioma
Elevated MSAFP
All of the following are characteristics of spina bifida cystica except: Banana sign Lemon sign Enlarged mass intermedia Normal MSAFP
Normal MSAFP
In VACTERL association, the letter "C" stands for: Cerebellar C-spine Cranial Cardiac
Cranial
All of the following are associated w/ spina bifida except:
- Splaying of the laminae
- Enlarged posterior fossa
- Lemon sign
- Hydrocephalus
Enlarged posterior fossa
The abnormal lateral curvature of the spine is referred to as: Kyphosis Scoliosis Splaying Achondroplasia
Scoliosis
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
Decreased MSAFP
A disorder that results in abnormal bone growth and dwarfism is:
- Osteogenesis imperfecta
- Achondroplasia
- Radial ray defect
- Caudal regression syndrome
Achondroplasia
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
Arnold-Chiari 2 malformation
In VACTERL association, the letter "L" stands for: Limb Lung Liver Larynx
Limb
The most common nonlethal skeletal dysplasia is: Achondrogenesis Achondroplasia Thanatophoric dysplasia Osteogenesis imperfecta
Achondroplasia
Achondroplasia is associated w/ all of the following except: Frontal bossing Flattened nasal bridge Trident hand Absent mineralization of the skull
Absent mineralization of the skull
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
Massa intermedia
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
Shortening of the proximal segment of a limb
An absent sacrum and coccyx is referred to as: Sirenomelia Caudal regression syndrome Achondroplasia Radial ray defect
Caudal regression syndrome
All of the following are characteristic sonographic findings of achondrogenesis except:
- Micromelia
- Absent mineralization of the pelvis
- Multiple dislocated joints
- Polyhydramnios
Multiple dislocated joints
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
Osteogenesis imperfecta
A bell-shaped chest and multiple fetal fractures are indicative of: Thanatophoric dysplasia Cuadal regression syndrome Achondrogenesis Osteogenesis imperfecta
Osteogenesis imperfecta
All of the following are signs of Arnold-Chiari II syndrome except: S-shaped spine Banana sign Lemon sign Colpocephaly
S-shaped spine
All of the following are associated w/ amniotic band syndrome except: Amputation of fetal parts Anencephaly Facial clefting Synechiae
Synechiae
Sirenomelia is commonly referred to as: Radial ray defect Rhizomelia Mermaid syndrome Rockerbottom feet
Mermaid syndrome
Absence of the radius is referred to as: Talipes equinovarus Clubfoot Radial ray defect Phocomelia
Radial ray defect
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
Phocomeningocele
A cloverleaf skull and hydrocephalus is seen w/: Achondrogenesis Osteogenesis imperfecta Sirenomelia Thanatophoric dysplasia
Thanatophoric dysplasia
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
AFP
What condition is associated w/ bilateral renal agenesis, oligohydramnios, and fusion of the lower extremities? Sacrococcygeal teratoma Caudal displacement syndrome Sirenomelia Osteogenesis imperfecta
Sirenomelia