SC EXSC 224 - Exam 1 Study Guide (4 pages)

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Exam 1 Study Guide



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Exam 1 Study Guide

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This study guide covers everything you need to know for the first exam from chapters 11, 12, and 13. I have also included everything Dr. Fayad said during lecture that is not included in his lecture slides on Blackboard.


Pages:
4
Type:
Study Guide
School:
University Of South Carolina-Columbia
Course:
Exsc 224 - Anatomy/physiology Ii
Anatomy/physiology Ii Documents

Unformatted text preview:

EXSC 224 9th Edition Exam 1 Study Guide Chapters 11 12 13 To start with make sure you know all the information on the slides Dr Fayad went over in class His powerpoints are available on Blackboard so I won t recopy them here This study guide is an outline of what you should know for the exam with the addition of the material Dr Fayad gave orally in lecture which is not on the slides Chapter 11 The Nervous System About 30 of the glucose we consume is used by our brain at rest Functions Sensory input integration and motor output o Example See a car understand what you are seeing stop for the car The different components functions and divisions of the CNS and PNS o Figure 11 2 The two cell types of the nervous system neurons and supporting cells neuroglia o Supporting cells are the most abundant type The different types of neuroglia in the CNS and PNS and their physical characteristics and functions o CNS Astrocytes Microglia Ependymal cells Oligodendrocytes o Additional functions of astrocytes mentioned in class Help communication Help reuptake of neurotransmitters Help conductivity of neural pulses Most abundant neuroglia in brain o Function of microglia protect brain from infectious agents Blood brain barrier immune cells from the blood cannot enter brain so microglia consume harmful substances They work as macrophages and consume dead cells o PNS Satellite cells Schwann cells o Multiple Sclerosis is a disease that is caused by the loss of myelin Schwann cells on nerve fibers in the PNS Definition of neurons composition and characteristics o They are amitotic don t divide because they have no centrioles o Functions of plasma membrane Properties and functions of nerve cell body dendrites and axons o Possible dysfunction A stroke occurs if tracts in the CNS are cut off Make up and function of myelin sheath Formation of myelin sheath o Schwann cell and neurilemma The difference between myelinated and unmyelinated axons and where each is found o Both types are found in



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