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Bio 253 Exam Questions And Answers. Verified and Updated.

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Bio 253 Exam Questions And Answers. Verified and Updated. Which division of the nervous system controls skeletal muscles? - answerSomatic What cell produce the myelin sheath in the peripheral nervous system? - answerSchwann Cells Which of the following cells are responsible for the blood-brain...

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  • August 1, 2024
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EXAM STUDY MATERIALS July 24, 2024 1:33:58 PM Bio 253 Exam Questions And Answers. Verified and Updated. Which division of the nervous system controls skeletal muscles? - answer✔✔Somatic What cell produce the myelin sheath in the peripheral nervous system? - answ er✔✔Schwann Cells Which of the following cells are responsible for the blood -brain barrier? - answer✔✔Astrocytes Synaptic knobs, or axon terminals, release ________ to communicate with other neurons and effectors. - answer✔✔Neurotransmitters Which structur al type of neuron is the most common? - answer✔✔Multipolar Cell bodies and dendrites make up most of which type of Central Nervous Matter? - answer✔✔Gray Matter Which of these is a major function of the peripheral nervous system? - answer✔✔Communicating be tween the Central Nervous System and the rest of the body What is the function of descending tracts in the spinal cord? - answer✔✔To carry motor impulses to the spinal nerves Which of the following are examples of neuroglia? Select all that apply - answer✔✔Microglia, Ependymal Cells, Oligodendrocytes Motor fibers leave the spinal cord through which structures? - answer✔✔Anterior or Ventral roots Where is the cerebrospinal fluid located? - answer✔✔Subarachnoid Space For a neuron at resting potential, what is the expected distribution of electrolytes? - answer✔✔A high sodium outside the cell fluid and high potassium inside the cell What is the membrane potential at which an action potential starts? - answer✔✔Threshold What is the first part of a reflex arc? - answer✔✔Receptor "Saltatory" conduction occurs in what structures? - answer✔✔Myelinated axons

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