Whichofthefollowingstatementsaboutthehumannervoussystemiswrong?
A. Humannervoussystemisacomplexcollectionofnerves&neuronsthattransmitsignalsbetweendifferentpartsofthebody.Itisessentiallythebody'selectricalwiring.Ithastwocomponents:thecentralnervoussystem(CNS)&theperipheralnervoussystem(PNS).
B. HumanCNSismadeupofthebrain&spinalcord,whiletheperipheralnervoussystemincludesallofthenervesthatbranchoutfromthebrain&spinalcord&extendtootherpartsofthebodyincludingmuscles&organs.TheCNSreceivessensoryinformationfromthenervoussystem&controlsthebody'sresponses,whiletheprimaryroleofthePNSistoconnecttheCNStotheorgans,limbs,&skin.
C. PNShastwoparts:thesomatic(voluntary)&theautonomic(involuntary)nervoussystems.Theautonomicnervoussystemisdividedintosympathetic¶sympatheticnervoussystems.Thesetwosystemshavesimilaroridenticaleffectsonthesamesetoforgans.
D. Eachpartofthenervoussystemplaysavitalroleinhowinformationiscommunicatedthroughoutthebody.
查看答案
The degeneration of neurons in the substantia nigra of midbrain is associated with _____________________.
Azheimer's disease
B. Parkinson's disease
C. coronary heart disease
D. brain tumor
Thecentralfunctionofthelimbicsysteminthemidbrainis:
A. storageofshort-termmemory
B. regulationofskeletalmuslcemovements
C. controlofemotionalresponses
D. sexualfunction
Whichofthefollowingorganinthecentralnervoussystemiscall'littlebrain'?
A. cerebellum
B. thalamus
C. hypothalamus
D. midbrain
Which of the following organ or part of the central nervous system controls posture, balance, & the coordination of voluntary movements?
A. themedulla
B. thelimbicsystem
C. thecerebellum
D. themidbrain