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GMS 6440 Fundamentals of medical physiology final exam with correct answers |100% verified|

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  • GMS6440: Fundamentals

Does water need a pore/channel to cross the capillary wall? ANS: - No, movement is passive during what do the sympathetic and parasympathetic nervous systems work together ANS: - male sexual function parasympathetic nervous system: erection sympathetic nervous system: ejaculation electrical ch...

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  • March 8, 2024
  • 36
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

  • gms 6440 fundamentals of medical physiology final
  • are the preganglionic neurons of the sns long
  • are the preganglonic neurons of the psns long or s
  • small proteins peptides amino acids small molecu

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GMS6440Fundamentalsofmedicalphysiologyfinal
exam
arethepreganglionicneuronsoftheSNSlongorshort ANS:-short
arethepreganglonicneuronsofthePSNSlongorshort ANS:-long
cellsurface(plasmamembrane)receptorsareforwhat? ANS:-smallproteins
peptides
aminoacids
smallmoleculeslikeaminesandcalcium
Doeswaterneedapore/channeltocrossthecapillarywall? ANS:-No,movementis
passive
duringwhatdothesympatheticandparasympatheticnervoussystemsworktogether ANS:
-malesexualfunction
parasympatheticnervoussystem:erection
sympatheticnervoussystem:ejaculation
electricalchemicalgradient ANS:-whenK+leaksoutofcell,leavesbehind-chargedanion
cellinsideismorenegative
createselectricalgradienttopullK+backinsidecell
exampleofmeasuringanunknownvolume ANS:-add100gofbluedye
mixuntilconcentrationequilibrates concentrationatequilibriumis20g/liter
whatisvolume?
(100g)/(20g/L)-->5liters
facilitatedtransport ANS:-hightolowconcentration
selectiveforspecificmolecules
cangointoandoutofcell
firsttrimesterofpregnancy ANS:-0-3months
0-12weeks
howarefluidscarriedthroughthenephroninthekidneys ANS:-afferentarteriole
capillaries
efferentarteriole
howdoneuronscommunicateintheCNS ANS:-byactionpotentialandneurotransmitter
release
howdowemeasureplasmavolume ANS:-use131iodine-labelledalbuminorEVANSBLUE
dye
thisbindstoplasmaproteinsandstaysinplasma
howdowemeasuretheextracellularfluidvolume(plasmaandinterstitialfluid) ANS:-
cannotentercell,muststayinplasma&interstitialfluid
useinulin(sugarthatisforeigntobody)
alsocanuseradiolabeledsodiumorchloride
*needtousesubstancethatcanmovefreelyacrosscapillarywallbutnotentercell howdowemeasurethevolumeoftheintracellularfluid ANS:-cannotbemeasured
directly
calculatetotalbodywaterandsubtractextracellularfluidvolume
howdowemeasurethevolumeofthetotalbodywater ANS:-substanceusedmustcross
cellmembranefreely
usetitratedwaterand'heavywater,D20'(notradioactive)
takesamplefromplasmamembrane
LOOKATREVIEWSLIDE
howdoesbloodflowthroughtheheart ANS:-startsinrightatrium
tricuspidvalve
rightventricle
pulmonarysemilunarvalvetopulmonaryartery
lungstogetoxygen
pulmonaryvein
leftatrium
bicuspid/mitralvalve
leftventricle
aorticsemilunarvalvetoaorta
body
howdoesbloodgetintoandoutofkidney ANS:-renalarteryintokidney
renalveinoutofkidney howdoesfiltrationhappenthroughoutthecapillary ANS:-hydrostaticpressurehigher
higheratarterialendandcolloidosmoticpressureislower
forceswaterandsoluteoutintointerstitialfluid
howdoesthemuscularsystemusetheenergyinthebody ANS:-40%energymuscle
contraction
60%generateheat
howdoestotalbodywaterchangewhenpersonbecomesmoreobese ANS:-totalbody
waterwilldecreaseand%offatwillincrease
littlewaterinfat
howisskeletalmuscleorganized? ANS:-muscleattachedtotendon
tendonattachedtobone
howmanybonesareinthehumanbody? ANS:-206bones
howmanylegmusclesarerequiredtowalk> ANS:-12
Howmanymotorneuronsarerequiredtohaveaneffectintheautonomicnervoussystem
ANS:-2,preandpost
Howmanymotorneuronsarerequiredtohaveaneffectinthesomaticnervoussystem
ANS:-1neuron,calledalphamotorneuron
howmanymusclesarethereinthebody ANS:-650muscles

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