EXAM 2 nervous system with 100% correct answers 2024

The brain and spinal cord are organs of the - answer-CNS Which type of glia provides structural support to the neuron and provides nourishment to the neuron ? - answer-Astrocyte Which of the following parts of a neuron is correctly matched ? - answer-axon-conducts nerve impulses What is the function of a myelin sheath ? - answer-Regeneration of cut axons, insulation of long axons, increasing rate of impulse conduction along axon The arrival of an action potential at an axon terminal will cause calcium levels inside the axon terminal to - answer-Increase Which of the following is associated with the PNS but not the CNS - answer-Schwann cells Information transfer within a neuron is ________; information transfer between neurons is ___________. - answer-Chemical Which one of the following is entirely located within the central nervous system ? - answer-interneuron The spinal cord belongs to the - answer-central nervous system What lobe of the cerebrum is most responsible for the sense of vision ? - answer-Occipital Which structure contains the thalamus and hypothalamus ? - answer-Diencephalon Which part of the brain includes the hippocampus and amygdala and is involved in emotions and memory ? - answer-Limbic system There are how many layers of meninges surrounding the brain and spinal cord - answer-Three The spinal cord belongs to the A. peripheral nervous system. B. central nervous system. C. axial nervous system. D. appendicular nervous system. E. none of these. - answer-B. central nervous system Which of the following is not a part of the brain - answer-central canal Which part of the brain has noticeable gyri and sulci that increase surface area for cortical gray matter ? - answer-Left and right hemispheres Steps for reflex arc - answer-1. Nerve signals travel along motor fibers to an effector 2. Sensory neurons pass signals to interneurons 3. Sensory receptors generate nerve signals neurons synapse with motor neurons 5. There is a response to the stimulus The four major parts of the brain are - answer-cerebrum, diencephalon, brainstem, cerebellum What is the largest part of the brain? - answer-cerebrum The main difference between oligodendrocytes and Schwann cells is - answer-Their location Which of the following is not a lobe of the cerebral hemisphere - answer-reticular Which of the following is associated with PNS but not the CNS - answer-Nerves Which structure allows communication between the left and right cerebral hemispheres - answer-Corpus callosum Sympathetic division - answer-Stimulation of sweat glands to reduce excessive body heat bumps of the cerebrum are called - answer-gyri grooves are called - answer-sulci fight or flight response - answer-Sympathetic nervous system