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An is a presynaptic receptor that is activated by

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50. A(n) _______________ is a presynaptic receptor that is activated by neurotransmittersdifferent from those released from the axon terminal.a. heteroceptorb. autoreceptorc. postsynaptic receptord. axon terminal receptorAns: AAnswer Location: Neurotransmission: Neurotransmitter Binding to ReceptorsLearning Objective: Neurotransmission: Neurotransmitter Binding to ReceptorsCognitive Domain: KnowledgeDifficulty Level: Easy51. A metabotropic receptor:a. is physically separated parts of the neurons.b. responds to neurotransmitter metabolites.c. contains an ion channel.d. is activated by a G protein.Ans: AAnswer Location: Neurotransmission: Neurotransmitter Binding to ReceptorsLearning Objective: Neurotransmission: Neurotransmitter Binding to ReceptorsCognitive Domain: KnowledgeDifficulty Level: Easy52. All of the following are examples of functions of an ionotropic receptor except:Instructor ResourcePrus, Drugs and the Neuroscience of Behavior: An Introduction to PsychopharmacologySAGE Publishing, 2017a. an ion channel opens when a binds to the receptor.b. contains an ion channel allowing ions to enter a neuron.
c. relies on effector enzymes to cause changes to the neuron.d. has subunits that form a ring, which makes the channel.Ans: CAnswer Location: Neurotransmission: Neurotransmitter Binding to ReceptorsLearning Objective: Neurotransmission: Neurotransmitter Binding to ReceptorsCognitive Domain: AnalysisDifficulty Level: Medium53. All of the following are examples of functions of a metabotropic receptor except:a. gene expression and protein synthesis may occur after a neurotransmitter binds to the receptor.b. a G-protein acts on ions channels or effector enzymes after a neurotransmitter bind to thereceptor.c. a G-protein may act on an effector enzyme that may then activate a second messenger.d. an ion channel attached to the receptor will open when a neurotransmitter binds to thereceptor.Ans: DAnswer Location: Neurotransmission: Neurotransmitter Binding to ReceptorsLearning Objective: Neurotransmission: Neurotransmitter Binding to ReceptorsCognitive Domain: AnalysisDifficulty Level: Medium54. If a pharmacologist designed a drug that prevented the activation of G-proteins, which of thefollowing would occur if a neurotransmitter binded to a metabotropic receptor?a. Effector enzymes attached to the receptor would still be activated.b. No effects would occur.c. A second messenger would attach to the receptor.d. Gene expression would increase.Ans: BAnswer Location: Neurotransmission: Neurotransmitter Binding to ReceptorsInstructor ResourcePrus, Drugs and the Neuroscience of Behavior: An Introduction to PsychopharmacologySAGE Publishing, 2017Learning Objective: Neurotransmission: Neurotransmitter Binding to ReceptorsCognitive Domain: ApplicationDifficulty Level: Easy

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Term
Spring
Professor
DrHannah
Tags
Pharmacology, Receptor antagonist, SAGE Publishing, Neuroscience of Behavior

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