What do autoreceptors and retrograde transmitters have in common? They b)deactiv

Question

What do autoreceptors and retrograde transmitters have in common? They b)deactivate neurotransmitters using enzymes c)turn off the continued release of neurotransmitters affect the postsynaptic membrane e)both a and b 3. A)are ionotropic d)directly is involved in pair-bonding animals. A)oxytocin b)GABA onitric oxide d)acetylcholine e)none ot he above 5. A drug that blocks the manufacture of GABA would be a(n)ajagonist b c)transmitter clearance drug djantagonist 6. The " monoamines" include a)dopamine b)norepinepherine cjepinephrine d)serotonin e)all of the above Which neurotransmitters is manufactured as needed and is released to dilate the blood vessels and increase blood flow? A)dopamine b)nitric oxide c)glycerin d)GABA e)epinepherine 8. Subtype receptors within in a neurotrans d)ionotropic e)all of the above 9. What neurotransmitter is synthesized as needed (ie. not stored in vesicles) and immediately crosses cells membranes? ajacetylcholine b)enkephalins c)neurotransmitter gasses d)dopamine e)epinephrine 10. The neurotransmitter at somatic/skeletal neuromuscular junctions is a)acetylcholind b)dopamine c)norepinephrine d)nitric oxide ejendorphins 11. The hallucinogenic effect of psilocybin, mescaline, LSD and other psychedelic drugs likely depends on the stimulation of receptors. A)norepinepherine b)serotonin c)THC d)acetylcholine eCannabinoid 12. Antipsychotic drugs generally a) prevent neurotransmitter reuptake bjactivate acetylcholine receptors c)affect secondary messengers d)prevent sodium conductance e) block dopamine receptors 13. Alcohol increasessynaptic activity. A) norepinephrine b)serotonin cjadrenalin d)epinephrine e) GAB 14. Oxytocin and vasopressin are a)catecholamines b)idoleamines c)monoamines d)peptides/neuropeptides e)gases

Explanation / Answer

3.c.

autoreceptors are released from the presynaptic neuron and they regulate the flow of neurotransmitter in the synaptic cleft thereby controlling a continuous generation of action potential in the postsynaptic neuron. Retrograde transmitters perform the same function but they work backwards- they are released from the dendrites of The postsynaptic neuron and they bind with the terminal buttons of the presynaptic neuron sending a feedback message about reception of the neurotransmitter in the postsynaptic neuron.

4. A.

Oxytocin is considered as a ‘love hormone and a neurotransmitter’ which is involved in the development of a strong affinity between males and females of a Particular species.

5. D

GABA receptor antagonists such as benzodiazepine are the drug which inhibit the production of GABA in the body.

6. a.

Monoamine is used for all neurotransmitter molecules and neuromodulators which have a single amino group which is linked by two carbon molecules. It includes neurotransmitters such as histamin, epinephrine, norepinephrine, dopamine, serotonin

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