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- All of the following are neurotransmitters except a. glutamate b. glycine c. H2S d. GSHWhich of the following is associated with pain relief? a. acetylcholine c. serotonin b. glutamate d. endorphinsSelect All statements that are TRUE regarding the effects of administering a molecule that is a precursor for the synthesis of a neurotransmitter A. Temporarily compensate for neuron cell death by increased release of the neurotransmitter (ex. L-dopa used as treatment for Parkinson’s disease) B. Increase the rate of synthesis of that neurotransmitter C. Block the reuptake of the neurotransmitter back into the axon terminal D. Immediately alter then number of postsynaptic receptors E. Act as an indirect antagonist by activating autoreceptors
- Give the effects of acetylcholine on the following : A. gastrointestinal motility & secretory activity. B. smooth muscles in the uterus, ureters, bladder , bronchioles . C. constrictor muscles of the iris. D. salivary, sweat & lacrimal glands. E. HeartGlutamate is Select one: a. All of these b. often synthesized from glial-synthesized glutamine c. an amino acid d. neurotoxic at high concentrations. e. the most commonly used neurotransmitter in the brainIn the autonomic nervous system, AChEls will increase activity of the: a. parasympathetic activity b. sympathetic activity C. both sympathetic and parasympathetic activity
- Muscarinic cholinergic receptors always produce a stimulatory or excitatory response. A. True B. FalseWhich of the following neurotransmitters is associatedwith inhibition exclusively?a. GABAb. acetylcholinec. glutamated. norepinephrineThe blockade of which of the following receptors most likely mediated by nitrous oxide? a. 5-HT3 serotonergic b. Alpha-1 adrenergic c. NMDA glutamatergic d. GABAergic e. Nm cholinergic
- which of the following is the best comparison of GABA and glutamate Select one: a. all of these are valid comparisons of glutamate and GABA b. too much GABA can cause excitotoxicity; too much glutamate can cause seizures c. post synaptic sites for glutamate are most likely on the dendrite ; post synaptic sites for GABA are most likely on the cell body d. glutamate acts on ionotropic receptors; GABA acts on metabotropic receptors e. they are both excitatory amino acid precursors ; GABA is a precursor to making glutamateTo measure the zone of inhibition you should measure the circumference of the each circle. a.True b.FalseWhat accounts for increased cravings during cocaine abstinence?A. Increased activity of certain enzymes in the liver.B. Increased responsiveness of dopamine synapses to all types of reward.C. Increased sensitivity of glutamate synapses to cues for cocaine.D. Rapid fluctuations of heart beat.