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Neurotransmitters and Synaptic Changes Quiz

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Neurotransmitters and Synaptic Changes Quiz

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Questions and Answers

What are the 3 classes of neurotransmitters mentioned in the text?

Amino acids, amines, and peptides

Name 3 major neurotransmitters included in the text.

G-aminobutyric acid (GABA), Acetylcholine (ACh), and Glutamate (Glu)

What are the two methods used for studying the localisation of neurotransmitters?

In situ hybridization and Immunocytochemistry

What are the 3 criteria for a substance to be considered a neurotransmitter?

<ol> <li>Synthesized and packed in presynaptic neurons, 2. Released by axon terminals, 3. Produces a post-synaptic response</li> </ol> Signup and view all the answers

What is the main neurotransmitter involved in attention, memory, and learning in the CNS?

Acetylcholine (ACh) Signup and view all the answers

Name the three subtypes of glutamatergic receptors.

AMPA, Kainate, NMDA Signup and view all the answers

What is the role of G-proteins in linking neurotransmitters to enzymatic cascades?

G-proteins link the neurotransmitter with the activation of an enzymatic cascade downstream. Signup and view all the answers

What are the functions of Gs and Gi types of G-proteins?

Gs stimulates the activity of adenylyl cyclase, while Gi inhibits the activity of adenylyl cyclase. Signup and view all the answers

How does a G-protein cascade demonstrate divergence in signal transduction?

A single neurotransmitter can activate many effectors in a cell, showing divergence in signal transduction. Signup and view all the answers

What is the significance of the signaling pathways in neurons, as mentioned in the text?

The signaling pathways are essential for transmitting information between neurons and effector cells. Signup and view all the answers