Exam 5 NUR 170: () Concepts of Medical-Surgical
Nursing Questions and Verified Answers, 100% Correct- (Galen)
Pathophysiologyloflpainl-
lANSWERlPainlcausedlbylperipherallnervouslsystemlMadeluploflsensorylandlmotorlneuron
s
Synapseslarelmadelinlspinallcord
Sensoryl neuronsl -l ANSWERl Perceptionl ofl pain
Motorl neuronsl -l ANSWERl Responsel tol pain
Nociceptorsl-lANSWERlSpecializedlreceptorslforlpain
Wherelarelnociceptorsllocated?l-
lANSWERlinlallltissueslexceptlbrainlAbundantlinlskinlandlmuscles
Scantlinlviscera
Nociceptivelpainl-lANSWERlisldueltolexternallstimulationlofluninjured,lintactlnervouslsystem
NeuropathiclPainl-
lANSWERlCausedlbylnerve lmalfunctionlorlinjurieslresultinglfromltrauma,ldisease,lchemicals, linfecti
ons,landltumors
-lMaylbeldueltoldamageloflperipherallorlcentrallnerves
Painl Theoriesl -l ANSWERl ol Specificityl Theory
o PeripherallPatternlTheory
,o GatelControllTheory
,SpecifitylTheoryl-
lANSWERlPainlislalspecificlsensationlthatluseslsensorylneuronslseparatelfromlotherlsensationslsuch l
aslheatlandltouch.
- Painlisldueltolanatomicallandlphysiologicallmechanisms
Peripherallpatternltheoryl-lANSWERlAlllthelsensorylnervelfiberlendingslarelthelsame
- Painlwhenlfiberslarelstronglylexcited
- Brainl interpretsl thel differencel inl signals
Gatelcontrolltheoryl-lMelzacklandlWall,l1965l-lANSWERl(mostlacceptedltheory)
Painlislalmultimechanismlperceptuallexperiencelwhichloriginateslfromlanlindividual'slpsychologicall&lp
hysiologicallfactors
Algatelinlthelspinallcordlcontrolsltransmissionloflpainlimpulsesltolthelbrain
Gatelcontrollstimulationlexplainedl-lANSWERl-
Stimulationloflsmallldiameterl(pain)lfiberslcauseslgatesltolopen
-Stimulationlofllargerldiameterl(heat,lcold,lmechanical)lfiberslcauseslgatesltolclose
Amountloflactivitylinlsmalllfibersl vsl largelfiberslcontrolslperceptionl oflpain
Factorslthatlcontrollgatesl-lANSWERlphysical,lemotional,lbehavioral
Overviewl ofl painl -l ANSWERl >l Highlyl personal
> Bothlphysicallandlemotional
> Dependslonlmagnitudeloflstimuli,lindividuallabilityltoltransmitlpainlsignals
> Dependsl onl mentall state
, > Resultloflactuallorlpotentialltissueldamage
Nursing Questions and Verified Answers, 100% Correct- (Galen)
Pathophysiologyloflpainl-
lANSWERlPainlcausedlbylperipherallnervouslsystemlMadeluploflsensorylandlmotorlneuron
s
Synapseslarelmadelinlspinallcord
Sensoryl neuronsl -l ANSWERl Perceptionl ofl pain
Motorl neuronsl -l ANSWERl Responsel tol pain
Nociceptorsl-lANSWERlSpecializedlreceptorslforlpain
Wherelarelnociceptorsllocated?l-
lANSWERlinlallltissueslexceptlbrainlAbundantlinlskinlandlmuscles
Scantlinlviscera
Nociceptivelpainl-lANSWERlisldueltolexternallstimulationlofluninjured,lintactlnervouslsystem
NeuropathiclPainl-
lANSWERlCausedlbylnerve lmalfunctionlorlinjurieslresultinglfromltrauma,ldisease,lchemicals, linfecti
ons,landltumors
-lMaylbeldueltoldamageloflperipherallorlcentrallnerves
Painl Theoriesl -l ANSWERl ol Specificityl Theory
o PeripherallPatternlTheory
,o GatelControllTheory
,SpecifitylTheoryl-
lANSWERlPainlislalspecificlsensationlthatluseslsensorylneuronslseparatelfromlotherlsensationslsuch l
aslheatlandltouch.
- Painlisldueltolanatomicallandlphysiologicallmechanisms
Peripherallpatternltheoryl-lANSWERlAlllthelsensorylnervelfiberlendingslarelthelsame
- Painlwhenlfiberslarelstronglylexcited
- Brainl interpretsl thel differencel inl signals
Gatelcontrolltheoryl-lMelzacklandlWall,l1965l-lANSWERl(mostlacceptedltheory)
Painlislalmultimechanismlperceptuallexperiencelwhichloriginateslfromlanlindividual'slpsychologicall&lp
hysiologicallfactors
Algatelinlthelspinallcordlcontrolsltransmissionloflpainlimpulsesltolthelbrain
Gatelcontrollstimulationlexplainedl-lANSWERl-
Stimulationloflsmallldiameterl(pain)lfiberslcauseslgatesltolopen
-Stimulationlofllargerldiameterl(heat,lcold,lmechanical)lfiberslcauseslgatesltolclose
Amountloflactivitylinlsmalllfibersl vsl largelfiberslcontrolslperceptionl oflpain
Factorslthatlcontrollgatesl-lANSWERlphysical,lemotional,lbehavioral
Overviewl ofl painl -l ANSWERl >l Highlyl personal
> Bothlphysicallandlemotional
> Dependslonlmagnitudeloflstimuli,lindividuallabilityltoltransmitlpainlsignals
> Dependsl onl mentall state
, > Resultloflactuallorlpotentialltissueldamage
