, ..
The spinal cord is of ~ ongm c
A. neuralcrest
B. neurofibrillary
C. neuraltube
D. neuroganglionic
E. neuroendodenna
1987 Cells that producemyelin are: c
A. derivedfrom neuroepitheliumof the neuraltube
B. derivedfrom the neuralcrest
C. both A and B
D. neitherA nor B
Motor innervationof skeletalmuscleis: A
A. derivedfrom neuroepitheliumof the neuraltube
B. derivedfrom the neuralcrest
C. both A andB
D. neitherA nor B
D
Sensoryinnervationof skeletalmuscleis:
A. derivedfrom the alarplate
B. derivedfrom thebasalplate
C. both A andB
D. neitherA nor B
A
The hypothalamusis:
A. derivedfrom the alarplate
B. derivedfrom the basalplate
C. both A andB
D. neitherA nor B
A
1991 The cerebellarcortexis:
A. derivedfrom the alarplate
B. derivedfrom the basalplate
C. both A andB
D. neitherA nor B
B
1992. Hypoglossalnucleusneuronsare:
A. derivedfrom the alarplate
B. derivedfrom thebasalplate
C. both A andB
D. neitherA nor B
A
1993. Prosencephalic
derivativesare:
A. derivedfrom the alarplate
B. derivedfrom thebasalplate
C. both A andB
D. neitherA nor B
,B1GTEST, INC EMBRYOLOGY:
NEUROLOGY
1970. Source(s)of neuraltissueinclude: A
A. ectoderm
B. endoderm
C. mesoderm
D. ectodermandendoderm
E. ectoderm,mesoderm,andendoderm
1971 Which structureis a direct outgrowthof neuroepitheliumof the neuraltube: c
A. sclera
B. choroid
C. retina
D. both A and B
E. all of the above(A-C)
The posteriorpituitary is of which origin: c
A. endodenn
B. mesodenn
C. ectodenn
D. endodennandmesodenn
E. endodennandectodenn
Which of the following is/arederivedfrom the primitive leptomenix: D
A. pia mater
B. arachnoid
C. duramater
D. both A and B
E. all of the above(A-C)
The embryonicproencephalon
givesrise to the adult: E
A. cerebralcortex
B. thalamus
C. basalganglia
D. hypothalamus
E. all of the above(A-D)
1975. What is the origin of the connectivetissueof the cornea: c
A. neuralectodenn
B. surfaceectodenn
C. mesodenn
D. endodenn
E. noneof the above(A-D)
D
1976. Which of the following developsfrom cells found in the marginalzone:
A. alar plate of developingthe spinalcord
B. basalplate of developingthe spinalcord
C. both A and B
D. neitherA nor B
Preganglionicsympatheticneuronsarisefrom the: A
lQ77
A. neuraltube(neuroepithelium)
B. neuralcrest
C. both A and B
D. neitherA nor B
,BIU",IE ST,*l~\!i:,
TXT/?i1 -
EMBRYOLOGY:
i;
MUSOULOS~LETAL
1959. Identify the ~ association: E
A. adrenalcortex- ectoderm
-
B. blood vesselsof the stomach endoderm
C. lung epithelium- mesoderm
D. olfactory epithelium- brain
E. liver parenchyma(functionalcells)- endoderm
1960. Identify the ~ association: c
A. liver parenchyma(functionalcells)- mesoderm
B. muscleandconnectivetissueof the intestine- endoderm
C. blood vesselsin the skin - mesoderm
D. lining cells of the kidney tubules- endoderm
E. adrenalcortex- ectoderm
.
~
, Regardingthe lining of body cavities: E
A. peritoneumis a seroussacconsistingof mesotheliumanda thin layer of irregularconnective
tissuethat lines the abdominalcavity andcoversmostof the visceracontainedtherein
B. mesotheliumis derivedfrom both splanchnicandsomaticmesoderm
C. the coelomis the cavity betweensplanchnicandsomaticmesoderm
D. splanchnopleure is the embryoniclayer formedby the associationof the (splanchnic)visceral
layer of the lateralmesodermwith the endoderm
E. all of the above(A-D)
Which of the following is fonned from portionsof onesclerotome: B
A. vertebralcentrum
B. intervertebraldisc (anulusfibrosus)
C. both A and B
D. neitherA nor B
1928. Spondylolysisinvolves a defect: A
A. betweenthe superiorandinferior articularprocesses
B. betweenthe pedicleandthe body
C. at the neurocentralsynchondrosis
D. betweenthe halvesof the neuralarch
E. noneof the above(A-D)
The clavicle is: D
A. the first boneto begin ossification
B. the first boneto completeossification
C. intramembranous in origin
D. both A and C
E. all of the above(A-C)
Limb musculature: E
A. relies on spinalnervesto aid the differentationprocess
B. beginsasmesencymalcondensations
C. is derivedfrom somaticmesoderm
D. splits into flexor and extensorcompartments
E. all of the above(A-D)
1931 The apicalectodemtalridge: A
A. is non-instructive,it elicits a predetemtinedprogramofmesodemtaloutgrowthand
morphogenesis
B. is instructiveon mesodemt
C. if removed,nomtal outgrowthwill occur
D. is not presentin mammalianembryos
1932 The zoneof polarizing activity (ZPA): D
A. is a region of anteriorlimb mesoderm
B. is maintainedby the apicalectodermalridge
C. both A and B
D. neitherA nor B
Skeletalmusclesin the region of the foreheadandnosearederivedfrom the: c
A. frontonasaleminence
B. maxillary eminenceof first branchialarch
C. secondbranchialarch
D. both A and B
E. all of the above(A-C)
The spinal cord is of ~ ongm c
A. neuralcrest
B. neurofibrillary
C. neuraltube
D. neuroganglionic
E. neuroendodenna
1987 Cells that producemyelin are: c
A. derivedfrom neuroepitheliumof the neuraltube
B. derivedfrom the neuralcrest
C. both A and B
D. neitherA nor B
Motor innervationof skeletalmuscleis: A
A. derivedfrom neuroepitheliumof the neuraltube
B. derivedfrom the neuralcrest
C. both A andB
D. neitherA nor B
D
Sensoryinnervationof skeletalmuscleis:
A. derivedfrom the alarplate
B. derivedfrom thebasalplate
C. both A andB
D. neitherA nor B
A
The hypothalamusis:
A. derivedfrom the alarplate
B. derivedfrom the basalplate
C. both A andB
D. neitherA nor B
A
1991 The cerebellarcortexis:
A. derivedfrom the alarplate
B. derivedfrom the basalplate
C. both A andB
D. neitherA nor B
B
1992. Hypoglossalnucleusneuronsare:
A. derivedfrom the alarplate
B. derivedfrom thebasalplate
C. both A andB
D. neitherA nor B
A
1993. Prosencephalic
derivativesare:
A. derivedfrom the alarplate
B. derivedfrom thebasalplate
C. both A andB
D. neitherA nor B
,B1GTEST, INC EMBRYOLOGY:
NEUROLOGY
1970. Source(s)of neuraltissueinclude: A
A. ectoderm
B. endoderm
C. mesoderm
D. ectodermandendoderm
E. ectoderm,mesoderm,andendoderm
1971 Which structureis a direct outgrowthof neuroepitheliumof the neuraltube: c
A. sclera
B. choroid
C. retina
D. both A and B
E. all of the above(A-C)
The posteriorpituitary is of which origin: c
A. endodenn
B. mesodenn
C. ectodenn
D. endodennandmesodenn
E. endodennandectodenn
Which of the following is/arederivedfrom the primitive leptomenix: D
A. pia mater
B. arachnoid
C. duramater
D. both A and B
E. all of the above(A-C)
The embryonicproencephalon
givesrise to the adult: E
A. cerebralcortex
B. thalamus
C. basalganglia
D. hypothalamus
E. all of the above(A-D)
1975. What is the origin of the connectivetissueof the cornea: c
A. neuralectodenn
B. surfaceectodenn
C. mesodenn
D. endodenn
E. noneof the above(A-D)
D
1976. Which of the following developsfrom cells found in the marginalzone:
A. alar plate of developingthe spinalcord
B. basalplate of developingthe spinalcord
C. both A and B
D. neitherA nor B
Preganglionicsympatheticneuronsarisefrom the: A
lQ77
A. neuraltube(neuroepithelium)
B. neuralcrest
C. both A and B
D. neitherA nor B
,BIU",IE ST,*l~\!i:,
TXT/?i1 -
EMBRYOLOGY:
i;
MUSOULOS~LETAL
1959. Identify the ~ association: E
A. adrenalcortex- ectoderm
-
B. blood vesselsof the stomach endoderm
C. lung epithelium- mesoderm
D. olfactory epithelium- brain
E. liver parenchyma(functionalcells)- endoderm
1960. Identify the ~ association: c
A. liver parenchyma(functionalcells)- mesoderm
B. muscleandconnectivetissueof the intestine- endoderm
C. blood vesselsin the skin - mesoderm
D. lining cells of the kidney tubules- endoderm
E. adrenalcortex- ectoderm
.
~
, Regardingthe lining of body cavities: E
A. peritoneumis a seroussacconsistingof mesotheliumanda thin layer of irregularconnective
tissuethat lines the abdominalcavity andcoversmostof the visceracontainedtherein
B. mesotheliumis derivedfrom both splanchnicandsomaticmesoderm
C. the coelomis the cavity betweensplanchnicandsomaticmesoderm
D. splanchnopleure is the embryoniclayer formedby the associationof the (splanchnic)visceral
layer of the lateralmesodermwith the endoderm
E. all of the above(A-D)
Which of the following is fonned from portionsof onesclerotome: B
A. vertebralcentrum
B. intervertebraldisc (anulusfibrosus)
C. both A and B
D. neitherA nor B
1928. Spondylolysisinvolves a defect: A
A. betweenthe superiorandinferior articularprocesses
B. betweenthe pedicleandthe body
C. at the neurocentralsynchondrosis
D. betweenthe halvesof the neuralarch
E. noneof the above(A-D)
The clavicle is: D
A. the first boneto begin ossification
B. the first boneto completeossification
C. intramembranous in origin
D. both A and C
E. all of the above(A-C)
Limb musculature: E
A. relies on spinalnervesto aid the differentationprocess
B. beginsasmesencymalcondensations
C. is derivedfrom somaticmesoderm
D. splits into flexor and extensorcompartments
E. all of the above(A-D)
1931 The apicalectodemtalridge: A
A. is non-instructive,it elicits a predetemtinedprogramofmesodemtaloutgrowthand
morphogenesis
B. is instructiveon mesodemt
C. if removed,nomtal outgrowthwill occur
D. is not presentin mammalianembryos
1932 The zoneof polarizing activity (ZPA): D
A. is a region of anteriorlimb mesoderm
B. is maintainedby the apicalectodermalridge
C. both A and B
D. neitherA nor B
Skeletalmusclesin the region of the foreheadandnosearederivedfrom the: c
A. frontonasaleminence
B. maxillary eminenceof first branchialarch
C. secondbranchialarch
D. both A and B
E. all of the above(A-C)
