If a newly-developed drug is found to bind to dopamine receptors but does not activate them, how should we classify the drug? Antagonist Endogenous ligand Prototype Agonist
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- one potential treatment for addiction is to inhibit the expression of the gene that codes for the dopamine 1 receptor. which type of drug would accomplish this goal? 1. HDAC inhibitor 2.HAT activator 3. HAT inhibitor 4.DNMT inhibitorWhich of the following is an effect of cocaine and amphetamine? Group of answer choices Blocking dopamine reuptake Activating acetylcholine receptors on VTA neurons Directly activating dopamine receptors Inhibiting GABA release from interneurons All of the aboveWhich of the followings receptors is a G-protein coupled receptor Nicotinic type of acetylcholine receptor AMPA type of glutamate receptor GABAA type of GABA receptor serotonin 5-HT3 receptor dopamine type 1 receptor
- Cocaine addiction occurs whena. cocaine binds to dopamine transporter proteins on the presynaptic membrane.b. the numbers of postsynaptic dopamine receptors are reduced in limbic system nerve cells. c. neurotransmitter levels rise in lymbic system synapses.d. dopamine transporters become disabled.Imagine that a new type of psychoactive drug has been developed in a laboratory. It works by slowing the reuptake of dopamine in some brain circuits, increasing the amount of dopamine in the synapse. It also blocks serotonin binding in other brain circuits. Based on only this information, you can conclude that this new psychoactive drug is a: dopamine and serotonin antagonist. dopamine antagonist and serotonin agonist. dopamine and serotonin agonist. dopamine agonist and serotonin antagonist.A nurse uses a whirlpool to relax a patient following intensephysical therapy to restore movement in her legs. What isa potent pain-blocking neuromodulator, released throughrelaxation techniques?a. Prostaglandinsb. Substance Pc. Endorphinsd. Serotonin
- Which serotonin agents is NOT acting via interaction with membrane serotonin receptors? a) Ondansetron b) Trazodone c) Sumatriptan d) Citalopram e) Ketanserin Please answer asapThe discovery that the brain contains specific receptors for manufactured opiate drugs such as morphine implies that the body must make an _______ substance to interact with the same receptors. inhibitory excitatory endogenous exogenousThe drug Rohypnol ("roofies") acts as a sedative. What is the mechanism by which roofies act in the brain? A. Roofies act at the GABA receptor complex which opens a sodium channel B. Roofies act at the acetylcholine receptor C. Roofies act as a dopamine receptor agonist D. Roofies block the dopamine transporter E. Roofies act at the GABA receptor complex which opens a chloride channel
- Epinephrine binds to a set of adrenergic receptors found on a variety of cell types. Which of the following would NOT be an expected outcome of this binding?Which of the following neurotransmitters would activate an adrenergic receptor? Acetylcholine Glutamate Norepinephrine Dopaminewhat will be the immediate effect of this inhibition On the concentration of dopamine? a) Dopamine concentration will increase. b) Dopamine concentration will decrease. c) Dopamine concentration will stay the same. After some time, a large increase in the concentration(s) of _______ will directly overcome the inhibitor molecule. a) Dopamine b) Phenylalanine c) L-DOPA and Phosphate d) Dopamine and oxygen
