NUR968: Central Nervous System Exam Practice Questions and Answers
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Course
NUR 2024/2025
Institution
NUR 2024/2025
NUR968: Central Nervous System Exam
Practice Questions and Answers
True or false: Like the autonomic nervous system, there are several different neurotransmitters that
communicate between neurons in the central nervous system. These neurotransmitters can be classified
in a variety of ways - Ans...
Is the NMDA channel selective or non-selective? What does this allow for? - Ans:✔✔-Non-selective &
will allow cation movement (calcium, sodium & potassium)
True or false: Studies show that intracellular calcium has both positive & negative effects - Ans:✔✔-True
What is the positive effect of intracellular calcium? - Ans:✔✔-Intracellular pathways (intracellular second
messenger systems) that are initiated by calcium are responsible for SYNAPTIC PLASTICITY
-A fancy term that means forming memory & learning
What is the negative effect of intracellular calcium? - Ans:✔✔-When there is excessive amounts of
glutamate, the massive increase in intracellular calcium promotes LYSOSOME ACTIVITY & can trigger
both necrotic & apoptotic cell death
So which electrolyte is a player in extension of ischemic cell death? - Ans:✔✔-Calcium
True or false: NMDA dysfunction has been implicated in many diseases - Ans:✔✔-True
Glutamate is released with noxious surgical pain & neuropathic pain. Thus, blocking glutamate is
implicated in pain management. Which medication does this? - Ans:✔✔-Ketamine
-Blocks glutamate attachment
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