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Psl 250: Endocrine System Questions And Correct Answers

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PSL 250: ENDOCRINE SYSTEM QUESTIONS AND CORRECT ANSWERS

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PSL 250: ENDOCRINE SYSTEM
QUESTIONS AND CORRECT ANSWERS
2A2majorA2systemsA2toA2communicateA2longA2rangeA2inA2bodyA2-A2Ans--
neuralA2andA2endocrineA2system

NeuralA2communicationA2systemA2-A2Ans--
synapticA2communication,A2smallA2inA2scope,A2veryA2localizedA2effect,A2shortA2livedA2phen
omenon,A2wantA2toA2keepA2goingA2needA2toA2sendA2anotherA2APA2(fireA2neuron)

EndocrineA2communicationA2systemA2-A2Ans--endocrineA2glands/
organsA2secreteA2hormonesA2intoA2theA2bloodA2streamA2andA2circulateA2aroundA2wholeA2b
odyA2andA2leavesA2andA2bindsA2toA2cells,A2goesA2throughA2longA2distanceA2toA2getA2toA2so
meA2targetA2cells-A2moreA2ofA2aA2globalA2response,A2longA2livedA2response

HormonesA2willA2effectA2whichA2cells?A2-A2Ans--
hormonesA2doA2notA2haveA2eyes,A2soA2whenA2dumpedA2intoA2bloodstreamA2willA2travelA2al
lA2aroundA2theA2bodyA2andA2leaveA2streamA2intoA2differentA2bodyA2regionsA2butA2onlyA2cell
sA2thatA2haveA2receptorsA2willA2beA2affected

DiffuseA2systemA2-A2Ans--
isA2whatA2theA2endocrineA2systemA2is,A2thereA2isA2noA2realA2connectionA2betweenA2theA2or
gansA2
-A2onlyA2realA2connectionA2wouldA2beA2circulatoryA2system

LargestA2organA2inA2fetusA2isA2-A2Ans--
theA2thymus,A2thenA2asA2weA2ageA2itA2atrophiesA2andA2getsA2smaller,A2respA2forA2immuneA
2f(x)


PituitaryA2glandA2-A2Ans--
akaA2hypophysisA2orA2"masterA2gland",A2hasA2twoA2parts:A2anteriorA2andA2posterior,A2secr
etesA2hormonesA2thatA2regulateA2growth,A2metabolismA2andA2reproduction,A2underA2hypot
halamusA2control

ControlA2ofA2theA2hypophysisA2-A2Ans--
isA2controlledA2byA2theA2hypothalamusA2viaA2hormonesA2andA2neuronsA2
-A2anterior:A2hormonesA2
-A2posterior:A2neurons

AdenohypophysisA2-A2Ans--
anteriorA2hypophysis,A2containsA2endocrineA2cells,A2isA2aA2trueA2endocrineA2tissue

, NeurohypophysisA2-A2Ans--
posteriorA2hypophysis,A2containsA2neuralA2tissue,A2cameA2fromA2theA2brain,A2isA2aA2"false"
A2endocrineA2tissueA2b/cA2noA2endocrineA2cells


ParsA2tuberalisA2-
A2Ans--"ovenA2mitt"A2anteriorA2isA2holdingA2onA2toA2theA2posteriorA2pituitary


ParsA2distalisA2-A2Ans--
largeA2dilatedA2regionA2ofA2theA2anteriorA2pituitaryA2containsA2theA2secondaryA2capillaryA2p
lexus

HypophysealA2fossaA2-A2Ans--depressionA2thatA2containsA2theA2pituitaryA2gland

SellaA2turcicaA2-A2Ans--saddleA2thatA2theA2pituitaryA2glandA2"sits"A2in

InfundibularA2stalkA2-A2Ans--
stalkA2thatA2connectsA2theA2posteriorA2pituitaryA2toA2theA2baseA2ofA2theA2hypothalamus,A2c
ontainsA2axonsA2andA2portalA2veins

ParsA2nervosaA2-A2Ans--largeA2nobularA2regionA2ofA2theA2posteriorA2pituitaryA2gland

AnteriorA2pituitaryA2pairsA2-A2Ans--controlledA2viaA2bloodA2throughA2inhibiting/
releasingA2hormonesA2andA2makesA2FLATA2PIG

PosteriorA2pituitaryA2pairsA2-A2Ans--
controlledA2viaA2neuronsA2andA2doesA2notA2makeA2ADH/
OTA2onlyA2releasesA2itA2(fromA2herringA2bodies)

AnteriorA2pituitaryA2releasesA2-A2Ans--FLATA2PIG:
FSH,A2LH,A2ACTH,A2TSHA2PRL,A2I,A2GH

PosteriorA2pituitaryA2releasedA2-A2Ans--ADHA2andA2OTA2(oxytocin)

Hypothalamic-hypophysealA2portalA2systemA2-A2Ans--
collectionA2ofA2bloodA2vessels;A2primaryA2capillaryA2plexusA2-A2portalA2veinsA2-
A2secondaryA2capillaryA2plexus
-
A2helpsA2toA2shuntA2hormonesA2theA2fromA2hypothalamusA2toA2whereA2theyA2willA2haveA2a
nA2effectA2(anteriorA2pituitary)

PrimaryA2capillaryA2plexusA2-A2Ans--locatedA2inA2medianA2eminence

SecondaryA2capillaryA2plexusA2-A2Ans--locatedA2inA2parsA2distalis

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