06 Dec QUESTION 1 G-protein coupled receptors are targets for several psychiatric
QUESTION 1
- G-protein coupled receptors are targets for several psychiatric medications. Given what we know about these receptors, what is the ultimate result we will see when one of them is activated in a way that would potentiate an action?
A.
Intracellular activation of second messengers
B.
Protein phosphorylation
C.
Modification of gene expression
3.75 points
QUESTION 2
- A patient arrives in the ED via EMS having a grand mal seizure. The ED physician instructs the RN to give 10 milligrams of Diazepam IV X1 dose STAT. The patient’s seizure breaks within 2 minutes of the Diazepam being administered. The mechanism by which this medication causes rapid resolution of seizure activity is via which receptor type (effector pathway/receptor subtype)?
A.
Slow effector pathways/G-protein coupled receptor
B.
Slow effector pathway/ion channel
C.
Rapid effector pathways/G-protein coupled receptor
D.
Rapid effector pathway/ion channel
3.75 points
QUESTION 3
- The synaptic cleft is best characterized by which of the following statements?
A.
The synaptic cleft is the space between a single neuron’s dendrites and axon terminals in which intracellular communication occurs through the release of neurotransmitters allowing for signal conduction throughout the central nervous system.
B.
The synaptic cleft is the space between the cell body and axon terminals that allows for release of neurotransmitters from the presynaptic neuron for intercellular communication with an adjacent neuron (post synaptic neuron).
C.
The synaptic cleft is an area where dendrites and axon terminals are within close proximity, allowing for the release of a neurotransmitter from a presynaptic neuron that can interact with receptors on dendritic cells of a post synaptic neuron, which is the main basis for intercellular communication of neurons.
3.75 points
QUESTION 4
- Which neurotransmitter is considered the major excitatory neurotransmitter?
A.
Glycine
B.
GABA
C.
Glutamate
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