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7th Edition Medical Terminology for Health Professions Ann Ehrlich/Carol L.Schroeder © 2013 Delmar, Cengage Learning. All Rights Reserved The Nervous System.

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Presentation on theme: "7th Edition Medical Terminology for Health Professions Ann Ehrlich/Carol L.Schroeder © 2013 Delmar, Cengage Learning. All Rights Reserved The Nervous System."— Presentation transcript:

1 7th Edition Medical Terminology for Health Professions Ann Ehrlich/Carol L.Schroeder © 2013 Delmar, Cengage Learning. All Rights Reserved The Nervous System Chapter 10

2 © 2013 Delmar, Cengage Learning. All Rights Reserved Overview of Structures, Combining Forms, and Functions of the Nervous System

3 © 2013 Delmar, Cengage Learning. All Rights Reserved Divisions of Nervous System Central nervous system – includes brain and spinal cord Peripheral nervous system – includes 12 pairs of cranial nerves and 31 pairs of peripheral spinal nerves (continues)

4 © 2013 Delmar, Cengage Learning. All Rights Reserved Divisions of Nervous System

5 © 2013 Delmar, Cengage Learning. All Rights Reserved The Neurons Basic cells of nervous system Carry nerve impulses throughout body Afferent neurons Connecting neurons Efferent neurons (continues)

6 © 2013 Delmar, Cengage Learning. All Rights Reserved The Neurons

7 © 2013 Delmar, Cengage Learning. All Rights Reserved Brain Primary Function –Coordinates all activities of the body by receiving and transmitting messages throughout the body Related Word Parts (Combining Forms) –encephal/o

8 © 2013 Delmar, Cengage Learning. All Rights Reserved Major Parts of the Brain Cerebrum Thalamus Hypothalamus Cerebellum Brainstem (continues)

9 © 2013 Delmar, Cengage Learning. All Rights Reserved Major Parts of the Brain

10 © 2013 Delmar, Cengage Learning. All Rights Reserved Cerebrum Cerebrum – largest and uppermost portion of brain –divided into right and left hemispheres –hemispheres subdivided to create pairs of cerebral lobes

11 © 2013 Delmar, Cengage Learning. All Rights Reserved Cerebral Hemispheres

12 © 2013 Delmar, Cengage Learning. All Rights Reserved Cerebral lobes –frontal lobe: controls skilled motor functions, memory, behavior –pariental lobe: receives and interprets nerve impulses from sensory receptors in tongue, skin, muscles –occipital lobe: controls eyesight –temporal lobe: controls hearing and smell, and ability to create, store, and access new information Cerebral Lobes

13 © 2013 Delmar, Cengage Learning. All Rights Reserved Cerebral Lobes

14 © 2013 Delmar, Cengage Learning. All Rights Reserved Spinal Cord Primary Function –Transmits nerve impulses between the brain, limbs, and lower part of the body Related Word Parts (Combining Forms) –myel/o Note: Myel/o also means bone marrow.

15 © 2013 Delmar, Cengage Learning. All Rights Reserved Nerves Primary Function –Receive and transmit messages to and from all parts of the body Related Word Parts (Combining Forms) –neur/i, neur/o

16 © 2013 Delmar, Cengage Learning. All Rights Reserved Cranial Nerves

17 © 2013 Delmar, Cengage Learning. All Rights Reserved Peripheral Spinal Nerves

18 © 2013 Delmar, Cengage Learning. All Rights Reserved Autonomic Nerves System

19 © 2013 Delmar, Cengage Learning. All Rights Reserved Sensory Organs and Receptors Primary Functions –Receive external stimulation and transmit these stimuli to the sensory neurons  Eyes (sight)  Ears (hearing)  Nose (smell)  Skin (touch)  Tongue (taste)

20 © 2013 Delmar, Cengage Learning. All Rights Reserved Key Word Parts and Definitions caus/o –burning, burn cerebr/o –cerebrum, brain concuss/o –shaken together, violently agitated contus/o –bruise (continues)

21 © 2013 Delmar, Cengage Learning. All Rights Reserved Key Word Parts and Definitions encephal/o –brain -esthesia –sensation, feeling esthet/o –feeling, nervous sensation, sense of perception -graphy –the process of producing a picture or record (continues)

22 © 2013 Delmar, Cengage Learning. All Rights Reserved Key Word Parts and Definitions mening/o –membranes, meninges myel/o –spinal cord, bone marrow neur/i, neur/o –nerve, nerve tissue phobia –abnormal fear (continues)

23 © 2013 Delmar, Cengage Learning. All Rights Reserved Key Word Parts and Definitions psych/o –mind radicul/o –root or nerve root tropic –having an affinity for

24 © 2013 Delmar, Cengage Learning. All Rights Reserved Parkinson’s Disease Click Here to play Parkinson’s Disease animation

25 © 2013 Delmar, Cengage Learning. All Rights Reserved Questions

26 © 2013 Delmar, Cengage Learning. All Rights Reserved Question The most sensitive cluster of nerves is at the front of the brain. True or False?

27 © 2013 Delmar, Cengage Learning. All Rights Reserved Answer False. The most sensitive cluster of nerves is at the base of the spine.

28 © 2013 Delmar, Cengage Learning. All Rights Reserved Question The human brain is 80%–85% water. True or False?

29 © 2013 Delmar, Cengage Learning. All Rights Reserved Answer True

30 © 2013 Delmar, Cengage Learning. All Rights Reserved Question How much of the oxygen used by the human body is utilized by the brain? a.over 10% b.over 25% c.over 50%

31 © 2013 Delmar, Cengage Learning. All Rights Reserved Answer b. Over 25%

32 © 2013 Delmar, Cengage Learning. All Rights Reserved Question The human body transmits nerve impulses at about 300 feet a second. True or False?

33 © 2013 Delmar, Cengage Learning. All Rights Reserved Answer True

34 © 2013 Delmar, Cengage Learning. All Rights Reserved Answers to Learning Exercises

35 © 2013 Delmar, Cengage Learning. All Rights Reserved Matching Word Parts esthet/o encephal/o contus/o psych/o concuss/o Matching Word Parts mening/o graphy esthesia myel/o radicul/o Chapter 10 Answers

36 © 2013 Delmar, Cengage Learning. All Rights Reserved Matching Word Parts phobia caus/o cerebr/o neur/o tropic Definitions synapse myelin sheath dendrites pia mater hypothalamus sympathetic plexus peripheral thalamus efferent Chapter 10 Answers

37 © 2013 Delmar, Cengage Learning. All Rights Reserved Matching Structures brainstem hypothalamus cerebellum medulla oblongata cerebrum Which Word? anesthesiologist coma anxiolytic hallucination acrophobia Chapter 10 Answers

38 © 2013 Delmar, Cengage Learning. All Rights Reserved Spelling Counts migraine Alzheimer’s anesthetic epilepsy sciatica Abbreviation Identification cerebral palsy cerebrospinal fluid obsessive-compulsive disorder post-traumatic stress disorder transient ischemic attack Chapter 10 Answers

39 © 2013 Delmar, Cengage Learning. All Rights Reserved Term Selection delirium myelitis claustrophobia trigeminal neuralgia dyslexia Sentence Completion cerebral contusion anxiety disorders dysthymia factitious antipsychotic Chapter 10 Answers

40 © 2013 Delmar, Cengage Learning. All Rights Reserved Word Surgery an-, esthet, -ic somn, ambul, -ism electr/o, encephal/o, -graphy par-, -esthesia poli/o, myel, -itis True/False True True False False True Chapter 10 Answers

41 © 2013 Delmar, Cengage Learning. All Rights Reserved Clinical Conditions bipolar concussion transient ischemic thalamotomy multiple sclerosis insomnia aphasia syncope hydrocephalus hematoma Which Is the Correct Medical Term? causalgia hypnotic conversion epidural amyotrophic lateral sclerosis Chapter 10 Answers

42 © 2013 Delmar, Cengage Learning. All Rights Reserved Challenge Word Building neuromyelitis meningomalacia neuroma encephalopathy polyneuralgia neuromalacia meningoencephalitis myelopathy encephalomalacia meningoencephalomyelitis Labeling Exercises cerebral frontal temporal parietal occipital thalamus hypothalamus medulla oblongata spinal cerebellum Chapter 10 Answers


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