Presynaptic and somatodendritic opioid autoreceptors Group of answer choices Hyperpolarize presynaptic cell Activate Gproteins Alter cation (+ ion) conductance Reduce post-synaptic cell firing All of the above
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These receptors are involved in modulating neurotransmitter release and neuronal excitability. Show more…
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Which of the following will cause hyperpolarization in neurons that have opioid receptors? (Select all that apply) Group of answer choices a. an opioid b. adenylyl cyclase inhibitor c. okadaic acid d. a PKA activator e. a potassium channel blocker
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1. Presynaptic receptors: Select one: A. control the amount of neurotransmitter release B. inactivate neurotransmitters C. are involved in the re-uptake of neurotransmitters D. mediate the generation of inhibitory postsynaptic potential (IPSP) 2. Which of the following activities is not shown by G-proteins? Select one: a. interaction with the neurotransmitter b. hydrolysis of GTP c. activation of adenylate cyclase (AC) d. inhibition of adenylate cyclase (AC)
When activated, somatodendritic autoreceptors... A. increase neurotransmitter release B. reduce the rate of cell firing C. increase the rate of cell firing D. reduce neurotransmitter release E. All of the above
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