Advanced Physiology Exam 1 Questions And Correct Answers

Advanced Physiology Exam 1 Questions A
Answers




What care cthe cfundamental cconcepts cof cPhysiology? c- cCORRECT cANS✔✔Homeostasis
Feedback
Redundancy
Integration

Define cHomeostasis c- cCORRECT cANS✔✔Maintaining cphysiological cvariables cwithin ca crelativel
cthe cextrenal c(outside ctemp.) cstress cor cinternal cstress c(low cblood csugar).


Two ckinds cof cFeedback c- cCORRECT cANS✔✔Positive cFeedback c(1-5%)
Negative cFeedback c(95-99%)

The cidea cof cNegative cFeedback c- cCORRECT cANS✔✔When ca csensor c(thermostat) cdetects ca c
c(cold cair) cof ca ccontroller c(A/C cunit) cand cleads cto c
LESS cOUTPUT.

Example cof cNegative cFeedback cScenario c- cCORRECT cANS✔✔Insulin csecretion cin cresponse ct
cblood cglucose clevels cdrop, cinsulin csecretion cstops.


Positive cFeedback c- cCORRECT cANS✔✔LEADS cTO cMORE cOUTPUT

Example cof cPositive cfeedback cscenario c- cCORRECT cANS✔✔Oxytocin creleased cin cresponse ct
cleads cto cMORE ccontractions cof cuterus


Define cRedundancy c- cCORRECT cANS✔✔having cmore cthan cone csystem cin cplace cto cHELP cat

Example cof cRedundancy: c- cCORRECT cANS✔✔Insulin/Glucagon cprimary cmechanism c
Growth cHormone- calso cINFLUENCES cblood cglucose.

Define cIntegration: c- cCORRECT cANS✔✔The cworking ctogether cof cmultiple cphysiological csystem

Example cof cIntegration c- cCORRECT cANS✔✔GOAL: cmaintain cadequate cperfusion cof coxygenat

, 2) c[Release cfrom cstorage con cinside]
a) cendoplasmic creticulum
b) csarcoplasmic creticulum c= cmuscles cdummy

All c__________ c_________ chormones chave ca chypothalamic cfactor(s) cregulating cthe c________
hormone csecretion. c- cCORRECT cANS✔✔All cAnterior cPituitary chormones chave ca chypothalamic
cthe cAnterior cPituitary chormone csecretion.


Define clipophillic cas cit cpertains cto cHormones c- cCORRECT cANS✔✔Hormones cability cto cpass ct
can cintracellular creceptor.


Examples cof cINTRAcellular creceptors c- cCORRECT cANS✔✔cytosol c--> ctransfer cto cnucleus
nuclear creceptor

Define clipophobic cas cit cpertains cto chormones c- cCORRECT cANS✔✔hormone cCANNOT cpass ct
It cmust cbind cto ca ctransmembrane creceptor.

Define cMechanisms cof cAction c- cCORRECT cANS✔✔How ca chormone ctalks cto ca ccell.

__________ chormones care cfast cacting, cshort clasting. c- cCORRECT cANS✔✔Lipophobic

Lipophobic chormone cmechanism c- cCORRECT cANS✔✔1. cChange cpermeability cof ccell.
c[Open cion cchannel c- cNa+, cK+]
2. c2nd cmessengers
ccAMP


Give can cexample cof ca c2nd cmessenger c- cCORRECT cANS✔✔cAMP

_______________ chormones care cslow cacting, clong clasting c- cCORRECT cANS✔✔lipophillic

Mechanism cof clipophillic chormones c- cCORRECT cANS✔✔Activate cgene ctranscription
-nucleus

List cfour ctypes cof cHormone cEffects: c- cCORRECT cANS✔✔1) cKinetic c- cmovement, cmuscle ccon
2) cMetabolic c- cchange crate cof cchemical crxn
3) cMorphogenic c- cshape, cgrowth cdifferentiation
4) cBehavioral c- con cnervous csystem

Example cof ca chormone cthat chas ckinetic ceffects c- cCORRECT cANS✔✔Epinephrine

Give can cexample cof ca chormone cthat chas cmetabolic ceffects. c- cCORRECT cANS✔✔Thyroid cHor

Give can cexample cof ca chormone cthat chas cmorphogenic ceffects. c- cCORRECT cANS✔✔Estrogen
Testosterone
Thyroid cHormone c- camphibian cdevelopment
c- chuman cnervous csystem cdevelopment


Give ctwo ceffects cthe cthyroid chormone chas con canimals. c- cCORRECT cANS✔✔Amphibian cdevel
Human cnervous csystem cdevelopment

Give can cexample cof ca chormone cthat chas cbehavioral ceffects c- cCORRECT cANS✔✔Estrogen
Testosterone
Thyroid c= ctoo cmuch cnervous cenergy

What cmakes cup ca cLipophillic chormone c- cCORRECT cANS✔✔1. cSteroid