Blockade of the following receptor produces effects ranging from hallucinations to protection from excitotoxicity and head injury:
A)NMDA.
B)kainate.
C)AMPA.
D)quisqualate.

Question

Quizplus · Accepted Answer

Blockade of NMDA receptor can lead to hallucinations, but it can also provide protection from excitotoxicity and head injury. This is because NMDA receptors play a central role in synaptic plasticity and excitotoxicity, and their activation can lead to an influx of calcium ions into neurons, which can be damaging in certain conditions such as head injury or stroke. Blocking NMDA receptors can prevent this influx of calcium ions and provide neuroprotective effects.

Blockade of the Following Receptor Produces Effects Ranging from Hallucinations