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Sono Summer 2011 2
Question | Answer |
---|---|
The process of folding of the neural plate into the neural tube | Neurulation |
Neural tissue and meninges protrude from the spinal canal | Myelomeningocele |
Closed vertebral canal defect that usually occur along the dorsal midline at the lumbosacral area | Spina Bifida Occulta |
The following are true for spina bifida EXCEPT: A. Declined due to folic acid suppliments B. Failure of neural tube closure C. The incidence is 0.5-2:1000 births in NA D. Usually occur at the cervicothoracic | D |
The following are risk factors for spina bifida and NTD’s except: A. Sibling with NTD B. Mother with spinal defect C. Valproic acid D. Maternal hypertension | D |
NOT associated cranial abnormalities of spina bifida: A. Can't see cistern magna B. Deformation of the cerebellar shape C. Concave frontal bones D. Dilation of the lateral cerebral ventricles E. BPD greater than expected | E |
NOT associated noncranial abnormalities of spina bifida: A. Renal abnormalities B. Choroid plexus cysts C. Omphalocele D. IUGR E. Sunburst sign | Sunburst sign |
Chiari II malformation is associated with open spina bifida in what percentage of cases | > 97% |
Uncommon form of spinal dysraphism; “cyst within a cyst” appearance | Myelocystocele |
The following are true for kyphosis & scoliosis except: A. Kyphosis is exaggerated curvature of the spine in the sag plane B. Scoliosis is lat curvature of the spine C. Assoc with LBWC D. Assoc with VACTERL E. Assoc with TORCH | E |
Sacrococcygeal teratoma EXCEPT: A. Contain all 3 germ layers B. Most common tumor of neonates C. At birth, 75% of sacrococcygeal teratomas are benign D. Mass in the rump or buttocks area adjacent to the spine D. Males 4 times more likely than males | D |
NOT stage of human lung development: A. Embryonic B. Pseudoglandular C. Canalicular D. Saccular E. Alveolar F. Diaphragmatic | F |