Which type of receptor is also an ion channel? a. alpha-adrenergic receptor b. b
ID: 3474862 • Letter: W
Question
Which type of receptor is also an ion channel? a. alpha-adrenergic receptor b. beta-adrenergic receptor c. muscarinic cholinergic receptor d. nicotinic cholinergic receptor What is the most common inhibitory neurotransmitter in the brain? a. Acetylcholine b. Gamma-aminobutyric acid (GABA) c. Serotonin d. Glutamate e. Glycine Isoproterenol is used to speed up the heart and can also be administered in inhaled form to relax airways during an asthma attack. It is a. An agonist for epinephrine at beta adrenergic receptors b. An antagonist for epinephrine at beta adrenergic receptors c. An agonist for epinephrine at alpha adrenergic receptors d. An antagonist for epinephrine at alpha adrenergic receptors During long term potentiation at a glutamatergic synapse, which channel needs initial depolarization before it generates its own synaptic potential? a. The AMPA receptor (Na channel) b. The NMDA receptor (Ca channel) Most of the actual information processing of sensory information and generation of outgoing motor signals happens a. In the corpus callosum b. In the white matter of the cortex c. In the gray matter of the cortex d. In the basal nuclei e. In the thalamus The lobe of the cortex where personality, decision, initiative and morals are generated is a. Frontal b. Parietal c. Temporal. d. OccipitalExplanation / Answer
46. The correct option is ‘d’. Nicotinic cholinergic receptor has ability to alter their pore size for ions movement, for example nicotinic acetylcholine receptors.
47. The correct option is ‘d’ Glutamate. It is the highest found neurotransmitter for inhibition. It accounts for inhibition of 90% synapses.
48. The correct option is ‘a’ Beta-adrenergic agonist. These agonists make relax the airways. Isoproterenol or Isoprenaline are examples of such agonists.
49. The correct option is ‘b’ NMDA. N-methyl-D-aspartate receptor or NMDA are Calcium dependent receptors, they need primarily depolarization to activate.
50. The correct option is ‘e’ the thalamus. It presents in cerebral cortex and processes sensory information by prioritizing them.
51. The correct option is ‘a’ Frontal. It is responsible for initiation and coordination in motor movements and cognitive skills that include personality, decision-making, and morals.
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