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nervous system.odt

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THE NERVOUS SYSTEM The nervous system is the master coordinating system of the body. Every thought, action and sensation reflects its activity. Because of its complexity, the structures of the nervous system are described in terms of two principal divisions: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS, consisting of the brain and spinal cord, interprets incoming sensory information and issues instructions based on past experience. The PNS, consisting of cran
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  THE NERVOUS SYSTEM The nervous system is the master coordinating system of the body. Every thought, action and sensation reflects itsactivity. Because of its complexity, the structures of the nervous system are described in terms of two principal divisions: the central nervous system (C! and the peripheral nervous system (#! . The C!, consisting of thebrain and spinal cord, interprets incoming sensory information and issues instructions based on past experience.The #!, consisting of cranial and spinal nerves and ganglia, provides the communication lines between the C! and the body$s muscles, glands, and sensory receptors. The nervous system is also divided functionally in terms of motor activities into the somatic and autonomic divisions. %t is important, however, to recogni&e that theseclassifications are made for the sa'e of convenience and that the nervous system acts in an integrated manner both structurally and functionally. A . LIST THE 3 MAJOR FUNCTIONS OF THE NERVOUS SYSTEM1.2.3. B . CHOOSE THE KEY RESPONSES THAT BEST CORRESPOND TO THE DESCRIPTIONSPROVIDED IN THE FOLLOWING STATEMENTS I.  utonomic nervous system II. Central nervous system III.  #eripheral nervous system IV. !omatic nervous system  ______ Ner! # #$#%e& # '())#)!* %+,% )# -!&!#e( !/ %+e 'r,)* ,*( #)*,0 -!r( ______ S '())#)!* !/ %+e PNS %+,% -!*%r!0# !0 *%,r$ ,-%))%)e# # -+ ,# %+e ,-%),%)!* !/ #e0e%,0& #-0e# ______ Ner! # #$#%e& # '())#)!* %+,% )# -!&!#e( !/ %+e -r,*),0 ,*( #)*,0 *ere# ,*( ,*0), ______ S '())#)!* !/ %+e PNS %+,% re 0,%e# %+e ,-%))%$ !/ %+e +e,r% ,*( #&!!%+ & #-0e ,*( !/ 0,*(#4)% )# ,0#! -,00e( %+e involuntary nervous system )))))) A &,5!r # '())#)!* !/ %+e *er! # #$#%e& %+,% )*%erre%# )*-!&)* )*/!r&,%)!* ,*( )## e#!r(er# ______ A &,5!r # '())#)!* !/ %+e *er! # #$#%e& %+,% #ere# ,# -!&& *)-,%)!* 0)*e# 0)*)* ,00 ,r%#!/ %+e '!($ %! %+e CNS C . COMPLETE THE FOLLOWING STATEMENTS WITH WORDS FROM THE BO6 HEMISPHERSCEREBRALFLUIDVENTRICLESCEREBELLUMSTEMCEREBROSPINALBRAIN T+e 0,re#% ,r% !/ %+e + &,* 'r,)* )# %+e ,)re( ____________ ____________. T+e !%+er &,5!r # '())#)!*# !/ %+e 'r,)* ,re %+e ____________ ____________ ,*( %+e ____________. T+e -,)%)e#/! *( )* %+e 'r,)* ,re -,00e( ____________. T+e$ -!*%,)* ____________ ____________. D . CIRCLE THE TERMS INDICATING STRUCTURES THAT ARE NOT PART OF THE BRAINSTEM-ere'r,0 +e&)#+ere#7&)('r,)*7&e( 00, !*#7-ere'e00 &7()e*-e+,0!* E . THE FIGURE NO 1. IS A DIAGRAM OF THE RIGHT LATERAL VIEW OF THE HUMANBRAIN. FIRST MATCH THE LETTERS ON THE DIAGRAM WITH THE FOLLOWING LIST OFTERMS AND INSERT THE APPROPRIATE LETTERS IN THE ANSWER BLANKS. THENSELECT DIFFERENT COLORS FOR EACH AREA OF THE BRAIN PROVIDED WITH A COLOR8CODING CIRCLE 9O: AND USE THEM TO COLOR IN THE CODING CIRCLES ANDCORRESPONDING STRUCTURES IN THE DIAGRAM. IF AN IDENTIFIED AREA IS PART OF ALOBE USE THE COLOR YOU SELECTED FOR THE LOBE BUT USE STRIPES FOR THATAREA. ______ 1. O frontal lobe  ______ 2.   O parietal lobe  ______ 3.   O temporal lobe  ______ ;.   O pre-central gyrus  ______ <.  parieto-occipital fissure  ______ =.   O post-central gyrus  ______ >.  lateral sulcus  ______ ?. central sulcus  ______ @.   O cerebellum  ______ 1.   O medulla  ______ 11.   O occipital lobe  ______ 12.   O pons  F . MATCH THE APPROPRIATE BRAIN STRUCTURES WITH THE DESCRIPTIONS. 1.+$!%+,0,& #C!*%,)*# re/0e -e*%er# )*!0e( )* re 0,%)* re#)r,%!r$ r+$%+& )* -!*5 *-%)!* )%+ 0!er 'r,)*8#%e& -e*%er#2.!*#S)%e !/ re 0,%)!* !/ ,%er ',0,*-e ,*( '!($ %e&er,% re3.-ere'e00 &I&!r%,*% re0,$ #%,%)!* /!r ,//ere*% /)'er# %r,e0)* %! %+e #e*#!r$ -!r%e /!r )*%erre%,%)!*4 e*-0!#e# %+e %+)r( e*%r)-0e;.%+,0,& #C!*%,)*# , %!*!&)- -e*%er# +)-+ re 0,%e '0!!( re## re ,*( re#)r,%!r$ r+$%+& ,# e00 ,# -! +)* ,*( #*ee)* -e*%er#<.&e( 00, !'0!*,%,Re#!*#)'0e /!r %+e re 0,%)!* !/ !#% re ,*( -!!r()*,%)!* !/ #e0e%,0 & #-0e &!e&e*%#=.-!r # -,00!# &L,re /)'er %r,-% -!**e-%)* %+e -ere'r,0 +e&)#+ere# G . IDENTIFY THE MENINGEAL OR ASSOCIATED STRUCTURES DESCRIBED HERE.PIA MATERDURA MATERARACHNOID VILLIARACHNOID1. ! %er&!#% -!er)* !/ %+e 'r,)* -!&!#e( !/ %! + /)'r! # -!**e-%)e %)## e2. )**er&!#% -!er)* !/ %+e 'r,)* (e0)-,%e ,*( ,#- 0,r 3. &)((0e &e*)*e,0 0,$er 0)e , -!'e' )* #%r -% re;. #%r -% re# %+,% re% r* -ere'r!#)*,0 /0 )( %! %+e e*! # '0!!( )* %+e ( r,0 #)* #e# H . DECIDE WHETHER THE STATEMENTS ARE T!E OR FA #E$ ,. T+e *er! # #$#%e& )# %+e &,5!r -!*%r!00)* re 0,%!r$ ,*( -!&& *)-,%)* #$#%e& )* %+e '!($. I% )#%+e -e*%er !/ ,00 &e*%,0 ,-%))%$ )*-0 ()* %+! +% 0e,r*)* ,*( &e&!r$. '. T+e ,r)! # ,-%))%)e# !/ %+e *er! # #$#%e& -,* 'e r! e( %!e%+er ,# 3 e*er,0 !er0,)*/ *-%)!*# #e*#!r$ )*%er,%)e ,*( &!%!r.-. T+e CNS -!*#)#%# !/ %+e 'r,)* ,*( #)*,0 -!r(.(. T+ere ,re %! 0,$er# !/ &e*)*e# ,r! *( %+e 'r,)* ,*( #)*,0 -!r(.e. T+e e//ere*% ,r% !/ %+e PNS -,rr)e# )& 0#e# %! %+e CNS4 %+e ,//ere*% ,r% -,rr)e# )& 0#e# ,,$ /r!&%+e CNS.
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