SECOND WEEK TheCytotrophoblast:a. Cellshaveindistinctcellboundaries.b. Cellshavemitoticfigures.c. Consistsofmultilayerdcells.d. Derivedfrom embryoblaste. NucleilieinapoolofcytoplasmAns:B TheSyncytiotrophoblasthavefollowingcharacteristics:a. Cellshaveindistinctcellboundaries.b. Cellshavemitoticfigures.c. Consistsofmultilayerdcells.d. Derivedfrom embryoblaste. NucleilieinapoolofcytoplasmAns:A Thegerm layerspresentattheendof2ndweekofdevelopmentare;a. Ectoderm andendoderm.b. Ectoderm,mesoderm andendoderm.c. Epiblastandhypoblast.d. Epiblast,mesoderm andhypoblast.e. Epiblastandectoderm.Ans:C SecondaryChorionicvilluscontains:a. Bloodvesselsb. Chorionc. Cytotrophoblastd. Mesodermalcoree. SyncytiotrophoblastAns:D Thefollowingstructureisformedduringthesecondweekofdevelopmenta….
Read moreCoilingandcondensationofchromosomesoccurinmitosisduring:a. Anaphaseb. Metaphasec. Prophased. Prometaphasee .TelophaseAns:C Afterthecompletionofspermiogenesisthegerm celliscalled;a. Primaryspermatocyteb. secondaryspermatocytec. spermatidd. spermatozoae. spermatogoniaAns:D Zonareactionthatmakeitimpermeabletoothersperm,isaoflysosomalenzymesreleasedfromcorticalresultgranulesofa.coronaradiateb.follicularcellsc.granulosacellsd.matureoocytee.primaryoocyteAns:D Oogoniareachtheirmaximum numberat:a. Birthb. Fifthmonthsofintrauterinelife.c. Pubertyd. Seventhmonthsofintrauterinelifee. ThirdmonthsofintrauterinelifeAns:B AsaresultofmeiosisIthereisproductionof:a. Asecondaryandamatureoocyteb. Asecondaryoocyteandtwopolarbodiesc. Amatureoocyteandapolarbodyd. Asecondaryoocyteandapolarbodye. AmatureoocyteandtwopolarbodiesAns:D AsresultofmeiosisIIthereisproductionof:a. Amatureoocyteandapolarbodyb. Amatureoocyteandthreepolarbodiesc. Asecondaryandamatureoocyted. Asecondaryoocyteandtwopolarbodiese. AsecondaryoocyteandapolarbodyAns:B…
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