Neurotransmitters And Receptors
If you do poorly, it's probably my questions. :) Good luck!
- 1.A receptor that has a direct, mechanical response to a neurotransmitter binding to it is..
- A.
Ionotropic
- B.
Metabotropic
- 2.When a neurotransmitter is bound to a metabotropic receptor..
- A.
The receptor's channel opens, allowing ions to flow through
- B.
A protein is transferred to a nearby ionotropic receptor, causing that receptor's channel to open
- C.
Ions residing inside the cell are activated, creating new neurotransmitters
- D.
A G protein inside the cell is activated, opening this receptor's channel
- 3.Tryptophan is a precursor for..?
- A.
Dopamine
- B.
Serotonin
- C.
Glutamate
- 4.What causes vesicles to fuse with the presynaptic membrane, releasing neurotransmitters from the cell?
- A.
Action Potential
- B.
Na
- C.
Ca2+
- D.
G Proteins
- 5.Drugs can affect the functionality of neurons in many ways, but not..
- A.
+ Blocking reuptake
- B.
- Blocking postsynaptic receptors
- C.
- Stimulating autoreceptors, inhibiting the release of neurotransmitters
- D.
+ Stimulating the release of neurotransmitters
- E.
- Blocking postsynaptic receptors
- F.
- Inhibiting Ca2+ induction
- 6.One of the main mediators of neurotransmission, the ________ receptor is an ionotropic receptor and composed of five subunits
- A.
Muscarinic acetylcholine
- B.
Serotonin
- C.
Aspartate
- D.
Nicotinic acetylcholine
- 7.Black widow venom and botulinum are examples of..
- A.
Presynaptic inhibitors
- B.
Receptor antagonists
- C.
Postsynaptic inhibitors
- 8.Dopamine receptors are ionotropic receptors
- A.
True
- B.
False
- 9.Of the 7 types of 5-HT receptors, only 5-HT 1 is linked to stimulatory G-proteins
- A.
True
- B.
False
- 10.Why is 5-HT3 unique among the 5-HT receptors?
- A.
It's a serotonin receptor
- B.
It's the only ligand-gated ion channel
- C.
They have a stimulatory effect on neurotransmission
- 11.The NMDA receptor
- A.
Is a ligand-gated ion channel, activated by dopamine
- B.
Is activated by glutamate and glycine and belongs to the g-protein coupled family
- C.
Is a ligand-gated ion channel, activated by glutamate and glycine
- D.
Is activated by dopamine and belongs to the g-protein coupled family
- 12.Irregular activity in the noradrenergenic system is related to
- A.
Depression and mania
- B.
Parkinson's disease and schizophrenia
- C.
OCD and depression
- 13.The Serotonergic system is active in maintaining normal motor behavior
- A.
True
- B.
False
- 14.A common target for neuroleptic drugs to antagonize are is
- A.
NMDA
- B.
NAChR
- C.
Dopamine (D2)
- 15.Glutamate is transported into vesicles by EAAT1-EAAT5
- A.
True
- B.
False
- 16._____ is the major inhibitory neurotransmitter in the central nervous system
- A.
GABA
- B.
Acetylcholine
- C.
Cytokines
- D.
5HT-3
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