HOSA: Knowledge Test: Behavioral Health
Question with Correct Answers 2025
PhrenologyH-HCORRECTHANSWERH-
aHpopularHtheoryHthatHclaimedHbumpsHonHtheHskullHcouldHrevealHourHmentalHabilitiesHorHcharacterHtraits
BiologicalHpsychologyH-HCORRECTHANSWERH-theHbranchHofHpsychologyHthatHlinksHbiologyHandHbehavior
NeuronH-HCORRECTHANSWERH-aHnerveHcell
SensoryHneuronsH-HCORRECTHANSWERH-
neuronsHthatHcarryHincomingHinformationHfromHtheHsensoryHreceptorsHtoHtheHbrainHorHspinalHcord
MotorHneuronsH-HCORRECTHANSWERH-
neuronsHthatHcarryHoutgoingHinformationHfromHtheHbrainHandHspinalHcordHtoHtheHmusclesHandHglands
InterneuronsH-HCORRECTHANSWERH-
neuronsHwithinHtheHbrainHandHspinalHcordHthatHcommunicateHwithHeachHotherHandHregulateHsensoryHandH
motorHinputs
DendriteH(receive)H-HCORRECTHANSWERH-
theHbranchesHthatHextendHfromHtheHnerveHcellHbody.HTheseHreceiveHmessagesHandHconductHimpulsesHtow
ardsHtheHbody
AxonH(relay)H-HCORRECTHANSWERH-
theHextensionHofHtheHneuronHthatHhasHfibersHonHtheHendHthatHpassHinformationHtoHotherHneuronsHorHtoHm
uscles
MyelinHsheathH-HCORRECTHANSWERH-
theHlayerHofHfattyHtissueHthatHencasesHtheHfibersHofHneuronsHinHsegmentsHandHincreasesHtheHtransmissionH
speedHofHimpulses
ActionHpotentialH-HCORRECTHANSWERH-
aHneuralHimpulse,Hor,HaHbriefHelectricalHchargeHthatHtravelsHdownHanHaxon
, ThresholdH-HCORRECTHANSWERH-
theHlevelHofHstimulationHrequiredHtoHtriggerHaHneuralHimpulse.HThisHcomesHfromHtheHlevelHofHexcitatoryHsig
nalsHminusHinhibitoryHsignals
SynapseH-HCORRECTHANSWERH-
theHjunctionHbetweenHtheHaxonHofHtheHrelayingHneuronHandHtheHdendriteHofHtheHreceivingHneuron.HThisHis
HalsoHknownHasHtheHsynapticHgapHorHsynapticHcleft
NeurotransmitterH-HCORRECTHANSWERH-
aHchemicalHmessengerHthatHcrossesHtheHsynapticHgapHbetweenHneurons,HbindingHtoHreceptorHsitesHonHtheH
dendritesHofHtheHreceivingHneuron.
EndorphinsH-HCORRECTHANSWERH-
"morphineHwithin,"HaHnaturalHopiatelikeHneurotransmitterHlinkedHtoHpainHcontrolHandHpleasure
AcetylcholineH-HCORRECTHANSWERH-
aHneurotransmitterHthatHenablesHmuscleHaction,Hlearning,HandHmemory.HLackHofHthisHcausesHAlzheimer's
DopamineH-HCORRECTHANSWERH-
aHneurotransmitterHthatHinfluencesHmovement,Hlearning,HattentionHandHemotion.HAnHexcessHcausesHschiz
ophreniaHandHaHlackHcausesHtremorsHandHParkinson's
SerotoninH-HCORRECTHANSWERH-affectsHmood,Hhunger,Hsleep,HandHarousal.HAHlackHleadsHtoHdepression
NorepinephrineH-HCORRECTHANSWERH-helpsHcontrolHalertnessHandHarousal.HAHlackHcanHdepress
Gamma-butyricHacidH-HCORRECTHANSWERH-
anHinhibitoryHneurotransmitter.HAHlackHisHlinkedHtoHseizures,Htremors,HandHinsomnia
GlutamateH-HCORRECTHANSWERH-
majorHexcitatoryHneurotransmitterHinvolvedHinHmemory.HAnHexcessHcanHcauseHmigrainesHorHseizures
Question with Correct Answers 2025
PhrenologyH-HCORRECTHANSWERH-
aHpopularHtheoryHthatHclaimedHbumpsHonHtheHskullHcouldHrevealHourHmentalHabilitiesHorHcharacterHtraits
BiologicalHpsychologyH-HCORRECTHANSWERH-theHbranchHofHpsychologyHthatHlinksHbiologyHandHbehavior
NeuronH-HCORRECTHANSWERH-aHnerveHcell
SensoryHneuronsH-HCORRECTHANSWERH-
neuronsHthatHcarryHincomingHinformationHfromHtheHsensoryHreceptorsHtoHtheHbrainHorHspinalHcord
MotorHneuronsH-HCORRECTHANSWERH-
neuronsHthatHcarryHoutgoingHinformationHfromHtheHbrainHandHspinalHcordHtoHtheHmusclesHandHglands
InterneuronsH-HCORRECTHANSWERH-
neuronsHwithinHtheHbrainHandHspinalHcordHthatHcommunicateHwithHeachHotherHandHregulateHsensoryHandH
motorHinputs
DendriteH(receive)H-HCORRECTHANSWERH-
theHbranchesHthatHextendHfromHtheHnerveHcellHbody.HTheseHreceiveHmessagesHandHconductHimpulsesHtow
ardsHtheHbody
AxonH(relay)H-HCORRECTHANSWERH-
theHextensionHofHtheHneuronHthatHhasHfibersHonHtheHendHthatHpassHinformationHtoHotherHneuronsHorHtoHm
uscles
MyelinHsheathH-HCORRECTHANSWERH-
theHlayerHofHfattyHtissueHthatHencasesHtheHfibersHofHneuronsHinHsegmentsHandHincreasesHtheHtransmissionH
speedHofHimpulses
ActionHpotentialH-HCORRECTHANSWERH-
aHneuralHimpulse,Hor,HaHbriefHelectricalHchargeHthatHtravelsHdownHanHaxon
, ThresholdH-HCORRECTHANSWERH-
theHlevelHofHstimulationHrequiredHtoHtriggerHaHneuralHimpulse.HThisHcomesHfromHtheHlevelHofHexcitatoryHsig
nalsHminusHinhibitoryHsignals
SynapseH-HCORRECTHANSWERH-
theHjunctionHbetweenHtheHaxonHofHtheHrelayingHneuronHandHtheHdendriteHofHtheHreceivingHneuron.HThisHis
HalsoHknownHasHtheHsynapticHgapHorHsynapticHcleft
NeurotransmitterH-HCORRECTHANSWERH-
aHchemicalHmessengerHthatHcrossesHtheHsynapticHgapHbetweenHneurons,HbindingHtoHreceptorHsitesHonHtheH
dendritesHofHtheHreceivingHneuron.
EndorphinsH-HCORRECTHANSWERH-
"morphineHwithin,"HaHnaturalHopiatelikeHneurotransmitterHlinkedHtoHpainHcontrolHandHpleasure
AcetylcholineH-HCORRECTHANSWERH-
aHneurotransmitterHthatHenablesHmuscleHaction,Hlearning,HandHmemory.HLackHofHthisHcausesHAlzheimer's
DopamineH-HCORRECTHANSWERH-
aHneurotransmitterHthatHinfluencesHmovement,Hlearning,HattentionHandHemotion.HAnHexcessHcausesHschiz
ophreniaHandHaHlackHcausesHtremorsHandHParkinson's
SerotoninH-HCORRECTHANSWERH-affectsHmood,Hhunger,Hsleep,HandHarousal.HAHlackHleadsHtoHdepression
NorepinephrineH-HCORRECTHANSWERH-helpsHcontrolHalertnessHandHarousal.HAHlackHcanHdepress
Gamma-butyricHacidH-HCORRECTHANSWERH-
anHinhibitoryHneurotransmitter.HAHlackHisHlinkedHtoHseizures,Htremors,HandHinsomnia
GlutamateH-HCORRECTHANSWERH-
majorHexcitatoryHneurotransmitterHinvolvedHinHmemory.HAnHexcessHcanHcauseHmigrainesHorHseizures