4:Embryo Urogenital

5 Written Questions

1. 12-20w gestation
2. valproic acid can cause birth defects, notably:
   spina bifida
   trigonocephaly
   epicanthic folds
3. neural tube defects and omphalocele
4. growth retardation, fetal death
5. anti-mullerian hormone; produced by testes, inhibits mullerian duct development
   absence results in development of female reproductive organs

5 Matching Questions

1. Medullary cords = m/f
   Secondary cortical cords = m/f
2. What is cryptochidism?
3. Valproate is a:
4. Neuronal organization time:
5. Together, the oogonia and follicular cells constitute a:

1. a primary follicle
2. b male; female
3. c folate antagonist, which can cause neural tube defects
4. d 24w through lifetime
   includes dendritic arborization and axonal projection
5. e failure of one or both testes to descend

5 Multiple Choice Questions

1. incomplete fusion of the urethral folds, causing an abnormal opening for the urethra
   1. What are the Wolffian Ducts?
   2. What is epispadias?
   3. How does micropenis occur?
   4. How does hypospadias occur?
2. limb defects, heart malformations
   1. Malformations associated with:
      alcohol
   2. Malformations associated with:
      ACE inhibitors
   3. Malformations associated with:
      valproic acid
   4. Malformations associated with:
      thalidomide
3. congenital adrenal hyperplasia
   1. Female pseudohermaphroditism usually results from:
   2. Balance myelination occurs from:
   3. Duplication of the uterus results from:
   4. XY female gonadal dysgenesis results from:
4. 16w gestation to 1yr postnatal
   1. The Mullerian ducts form the:
   2. Balance myelination occurs from:
   3. DPR myelination occurs from:
   4. VPR myelination occurs from:
5. 8w gestation to postnatal
   1. Glial proliferation time:
   2. Neuronal proliferation time:
   3. Neuronal migration time:
   4. Neural Induction time:

5 True/False Questions

1. SRY acts in conjunction with what other gene? → 4w of gestation

   True        False

2. Neuronal proliferation time: → 8-16w gestation

   True        False

3. During which trimester does brown fat form? → lack of fusion of the Mullerian ducts in a local area or throughout their normal line of fusion

   True        False

4. Neural Induction time: → 12-20w gestation

   True        False

5. How does micropenis occur? → incomplete fusion of the urethral folds, causing an abnormal opening for the urethra

   True        False