QUESTIONS WITH CORRECT
ANSWERS 2025/2026
ExplainAtwoAreasonsAwhyAaAwomanAwithAlowAlevelsAofALHAwouldAnotAbeAableAtoAbecomeApregn
ant.A-
AcorrectAanswers(1)ALHAactsAonAtheAovaryAtoAcauseAovulationAtoAoccur.A(2)ALHAcausesAprogester
oneAreleaseAtoAfacilitateApotentialAfertilizationAofAtheAeggAandApregnancy.AProgesteroneAisAaAke
yAhormoneAforAtheAmaintenanceAofApregnancy.
WouldAyouAexpectAaAfemaleAtoAhaveAtestosteroneAinAtheirAbloodstream?AExplainAwhyAorAwhyA
not.A-
AcorrectAanswers(1)AYes.ABothAmaleAandAfemaleAbodiesAproduceA"all"AtheAsexAhormones.AHow
ever,AtheAratiosAareAdifferent.A(2)ATheAadrenalAglandsAareAlargelyAresponsibleAforAproducingAthi
sA"opposite"AhormoneAthatAtheAovariesAwouldAnot.
LabelAtheAendocrineAglandsA(A-
D)AA:A______________AB:A______________AC:A______________AD:A______________A-
AcorrectAanswersA:AThyroidAglandAB:AAdrenalAglandAC:AKidneyAD:APancreas
3.ALabelAtheAendocrineAglandsA(A-C)A-
AcorrectAanswersA:APinealAglandAB:AHypothalamusAC:APituitaryAgland
ExplainAtheAconceptAofAnegativeAfeedbackAandAhowAitAhelpsAtoAmaintainAhomeostasis.A-
AcorrectAanswers1-
ATheAeffectAorAincreasedAlevelAofAtheAhormoneAactsAtoAshutAdownAtheAcon!nuedAreleaseAofAthe
Ahormone.A2-
ATheAbrainAisAconstantlyAmonitoringAhormoneAlevelsAtoAkeepAlevelsAwithinAaAcertainArangeAorAs
et-
pointA(homeostasis).ANega!veAfeedbackAisAaAwayAofA"turningAoff"AhormoneAproduc!onAwhenAt
heAdesiredAlevelAisAachieved
4.AExplainAtheAconceptAofApositiveAfeedback.AGiveAanAexampleAofAaAhormoneAthatAworksAthrou
ghApositiveAfeedback.A-AcorrectAanswers1-
APositiveAfeedbackAisAtheAactionAofAaAhormoneAincreasingAtheAproductionAofAthatAhormone.A(T
hisAisAtheAoppositeAofAnegativeAfeedback).A2-
AOneAexampleAisAtheAactionAofAoxytocinAcausingAtheAuterusAtoAcontractAduringAlabor.AOxytocinA
enhancesAtheAeffectAofAtheAuterusAcontractions,AcausingAmoreAoxytocinAtoAbeAreleased.ATheAp
ositiveAfeedbackAloopAisAstoppedAonceAtheAbabyAisAbornAandAtheAuterusAnoAlongerAneedsAtoAco
ntract,AstoppingAtheAproductionAofAoxytocin.
ThisAtypeAofAhormoneAisAderivedAfromAcholesterol:A
A.APeptideAhormonesA
, B.ACatecholaminesA
C.ASteroidAhormonesA
D.ATyrosineA-AcorrectAanswersC
5.AThisAtypeAofAhormoneAisAderivedAfromAproteins:A
A.APeptideAhormonesA
B.ACatecholaminesA
C.ASteroidAhormonesA
D.ATyrosineA-AcorrectAanswersA
6.AGrowthAhormone____
A.AisAmostAactiveAduringAchildhood/adolescence.A
A
B.AcanAcauseAdiseaseAifAlevelsAareAnotAcorrect.A
C.AcannotAaffectAanAadult.A
D.AAA&BA-AcorrectAanswersD
6.AGrowthAhormone______A
A.AisAmostAactiveAduringAadulthood.A
B.AisAproducedAbyAtheAanteriorApituitaryAgland.A
C.AunderproductionAisAcalledAacromegaly.A
D.AAA&CA-AcorrectAanswersB
7.ANeurosecretoryAcellsAareAaApartAofAwhatAendocrineAorgan?AThalamusA
PituitaryA
CerebellumA
HypothalamusA-AcorrectAanswersHypothalmus
7.ANeuronsAinAtheAhypothalamusAareAcalledA______A
NeurosecretoryA
VasopressinA
MelanocytesA
SomatotropicA-AcorrectAanswersNeurosecretory
8.AWhichAhormoneAproductionAisAincreasedAwithAsunlight?A