DPR Exam 2 Questions and Answers New (2024/2025) Solved 100% Correct

Which neuroplastic developmental processes occur into adulthood? a) Myelin Accumulation b) Tangential migration c) GABA neurogenesis d) All of the above - ️️All of the above The canonical ( classic) wnt pathway involves a) None of the above b) A transcription factor binding its promotor and targeting transcription c) excreting growth factors d) RNAi blocking protein synthesis - ️️A transcription factor binding its promotor and targeting transcription Dendritic spines are the putative site of a) inhibitory synapse b) NT release C) Excitatory synapse d) Vesicle recruitment - ️️Excitatory synapse The space b/t cells at a synapse is referred to as the a) synaptic rift b)the crack c_)synaptic cleft d) synaptic space - ️️synaptic cleft Dendritic spines are a)structures that maintain some level of plasticity into adulthood b) static structures that never change c) Always transient structure that never stabilize d)structures that are plastic in development but totally static in adulthood - ️️Structures that maintain some level of plasticity into adulthood Initiation of post-synaptic assembly is largely initiated by the recruitment of a)Stargazin b) NMDA receptors c) PSD-95 d) ampa receptors - ️️PSD- 95 Which of the following is not a common morphology of dendritic spines ? a) triangular b) mushroom c) stubbyd) Filopodial - ️️Triangular In the middle of synaptogenesis covered in the paper on WNTs, what type of synaptogenesis was most covered? a) En passant b) axo-dendritic c) DEndro-dendritic d) Axo-axonal - ️️Axo-dendritic Wnts A) Are a class of signaling molecules b) appear to have functions in both development as well into adulthood c) have many diverse function in development d) All of the above - ️️All of the above NT release in response to an action potential depends on .. a)Potassium efflux from the terminal bouton b) Sodium channels closing c) Sodium influx in the terminal bouton d)Calcium influx in the terminal bouton - ️️Calcium influx in the terminal bouton What behavior was used by Kandel to study habituation? a) Inking Reflex b) Gill withdrawal reflex c) Tail withdrawal reflex d) siphon withdrawal reflex - ️️Gill withdrawal reflex In habituatiion, repeated stimuli leads to a) Decreased responding b) increased responding c) No change in responding - ️️Decreased responding There two basic zones in the terminal bouton with regard to the populate of vesicles as define by Bailey and Chen (1988) , what are they? a)The docked ans releasable zone b) The stage pool and inactive zone c) the storage pool an the readily release pool d)The fused and total population - ️️the storage pool an the readily release pool calcium influx in repsonse to action potential results from a) NT release b) Voltage independent calcium channel closingc)Voltage gated calcium channel opening d) Vesicle fusion - ️️Voltage gated calcium channel opening The open book experiment demonstrates a) A change from attraction to the floor plate to not attracted to the floor plate b) The axon's attraction to slits c) the axon;s attraction to the floor plate d) The axon's attraction to netrin - ️️A change from attraction tooth floor plate to not attracted to the floor plate