quiz week 3 nurs 6630 Exam Questions and Answers.

QUESTION 1 1. Which neurotransmitter is considered the major excitatory neurotransmitter? A . Glycine B . GABA C . Glutama te D . Serotoni n QUESTION 2 1. Glia cells play a supportive role to the neuron. A few of the functions of the glial cells include providing nutrition, maintaining homeostasis, stabilizing synapses, and myelinating axons. The glial cells are categorized as microglia and macroglia. Of these two cell types, which one plays an active and critical role in glutamatergic neurotransmission by providing a co-agonist required for glutamate receptor function? A . microgli al B . macrogli al QUESTION 3 1. Neurotransmitters are defined by four essential characteristics. These are: A . Neurotransmitters are synthesized within presynaptic neurons. B . Depolarization of a neuron results in the release of a neurotransmitter, which exerts a multitude of actions on the postsynaptic neuron. C . Their action on postsynaptic neurons can be replicated by administering a drug that mimics the activity of the endogenous neurotransmitter. D . Their action in the synaptic cleft is terminated by a specific action. E . A, C, and D only QUESTION 4 1. Neurotransmission is u