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

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  • September 21, 2024
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  • 2024/2025
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DPR Exam 2
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) stubby

, d) 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 closing

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