• Question i 1
1 iout iof i1 ipoints
Donna, ia i42-year-old imother iof itwo, ihas ibeen iexperiencing iintermittent itingling iand
inumbness iin iboth iof iher ifeet. iShe ihas ialso ihad itrouble iholding ia ipen iwhile iwriting. iIn ithe
ipast ifew imonths, ithe itingling iand inumbness iin iher iextremities iseemed ito isubside ion iits
iown, iso ishe iwas inot ivery iconcerned. iRecently, ithough, ithe isymptoms ihave ispread ito iher
iknees iand ithighs iand iare ipersisting.
Yesterday, ishe istumbled iwhen igetting iout iof ibed iin ithe imorning. iWhen ishe itried ito istand,
iher iright ileg iwas itoo iweak ito ihold iher iweight iand ishe ifell iagain. iShe inoticed ithat ishe
iscraped iher iright iknee iduring ithe ifall, ibut idoes inot ifeel iany ipain ifrom ithe iwound. iDonna
inotices ithat ishe ihas iblurry ivision iand ithinks ithat imight ibe ithe ireason ishe ifell.
All i of i the i following i indicate i sensory i deficits i EXCEPT:
Selected Muscular
iAnswer:
iweaknes
s
• Question i 2
Needs iGrading
Donna idoes inot i feel ithe iwound ion iher i knee. iIn ia inormal isituation, i describe i how
ithis isensory iinput iof ia iscraped iknee i would i result iin ithe ifeeling iof ipain.
Selected When iyou iscrape iyour iknee ithe isite ihas idamage ito ithe itissues iwhich iis
iAnswer:
iregistered iby inociceptors, ior ipain ireceptors. iThese ipain ireceptors iare ithe
iending ipoints iof ia ineuron iand isend ian ielectrical isignal iup ithe iaxon ior inerve
ifiber ito ia ibundle iof iother inerve ifibers ithat icreates ia iperipheral inerve. iThe
ielectrical isignal itravels iup ineurons iin ithe iperipheral inerve itowards ithe ineck
iand ireaches ithe ispinal icord. iAt ithis ipoint ithe ielectrical isignal itravels ito
ianother ineuron ithrough i a ismall igap icalled ia isynapse. iThis iis iable ito ibe idone
ithrough ineurotransmitters. iThe ielectrical isignal ithen itravels iup ithe inerve
ifiber iof ithe ispinal icord iand irelays i the isensory iinput iinformation ito ithe ibrain
iand iallows ius ito ifeel iand ireact ito ithe ipain.
MyDr. i(n.d.). iPain iand ihow iyou isend iit. iRetrieved iMay i10, i2018, ifrom
http://www.mydr.com.au/pain/pain-and-how-you-sense-it
i
Respons [None i Given]
e
i
iFeedba
cik:
• Question i 3
Needs iGrading
Donna ihas iweakness iin iher iright ileg, ibut iher ileft ileg iis ifunctioning inormally.
iW hich i components i of i the i nervous i system i are i involved i with i skeletal i muscle
, movement? i Be i specific i about i how i the i motor i impulse i moves i through i the i body.
Selected The isomatic inervous isystem iis iresponsible ifor imuscle imovement. iA imotor
iAnswer:
iimpulse iis isent ithrough ithe ibody iby isending ithe isignals ifrom ineuron ito
ineuron ivia ith isynapse iand itraveling ialong imotor ifibers. iThis isignal ithen
ireaches ithe imuscle iand ian iaction iresponse iis icarried iout.
Biology idictionary. i(n.d.). iSomatic inervous isystem.
iRetrieved i May i10, i 2018, i from
ihttps://biologydictionary.net/somatic-nervous-system/
Respons [None i Given]
e
i
iFeedba
cik:
• Question i 4
1 iout iof i1 ipoints
Which iof ithe ifollowing icorrectly idefines ia imotor iunit?
Selected A isingle i neuron iand iall ithe i muscle icells iit
iAnswer: iinnervates
• Question i 5
1 iout iof i1 ipoints
Which iof i the i following istatements iis i true?
Selected Donna i is i experiencing i both i motor i and
iAnswer: isensory ideficits.
• Question i 6
Needs iGrading
List iand idescribe iany iand iall isymptoms iin iDonna’s ihistory ithat icould ibe irelated ito ia
ipathology iof iher imotor ineurons.
Selected Holding ia ipen iwhile iwriting, imuscle iweakness iin ilower iextremities.
iAnswer:
i Henderson, iJ. iM. i(n.d.). iMotor iimpairment. iRetrieved iMay i10, i2018,
from ihttp://www.neuromodulation.com/motor-impairment
i
Response [None i Given]
iFeedback
:
• Question i 7
1 iout iof i1 ipoints
Donna’s i primary i care i physician i wants i to i screen i her i for i Multiple i Sclerosis. i Which
iof ithe i following itests i would i provide ithe i most i definitive i diagnosis i for i MS?
Selected MRI
iAnswer: