Uncc Brain And Behavior Final Exam Questions And Answers 2023

prolonged exposure to the hormones called glucocorticoids {Ans: kills cells in the hippocampus}The membrane of the ______ does not contain voltage-sensitive ion channels, but if summed inputs excite the ______ to a threshold level, action potentials are triggered and then propagated as they travel along the cell's ________ as a nerve impulse. {Ans: cell body, initial segment, axon}Sensitivity to different somatosensory stimuli is a function of the kinds of receptors. {Ans: true}The four main activating systems in the CNS are: {Ans: cholinergic, dopaminergic, noradrenergic, serotonergic}REM (rapid eye movement) sleep occurs during: {Ans: none of these are correct: stage 1 sleep, stage 3 & 4 sleep, stage 2 sleep}omatosensory receptors tell us which two things about a sensory event? {Ans: if it is still occurring and when it occurs}the brainstem includes three functional regions. the ______ is an extension of the spinal cord; the ___________ is the first brain region to receive sensory inputs; and the ____________ integrates sensory and motor information on its way to the cerebral cortex {Ans: hindbrain; midbrain; diencephalon}broadly speaking, _____ hormones regulate metabolic balance; _______ hormones regulate reproduction, and _______ regulate stress {Ans: homeostatic, gonadal, glucocorticoids}Muscles can contraction