McCance PATHOPHYSIOLOGY TEST BANK Complete Questions and Awnsers 50TOPICS 50 Elaborated Questions for Every Topic -latest - $27.49   Add to cart

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McCance PATHOPHYSIOLOGY TEST BANK Complete Questions and Awnsers 50TOPICS 50 Elaborated Questions for Every Topic -latest

10. The ifluid imosaic imodel iexplains: a. How ia icell imembrane ifunctions b. Why iour ibodies iappear ito ibe isolid c. How itissue iis idifferentiated d. How ifluid imoves ibetween ithe iintracellular iand iextracellular icompartments ANS: iA .11. Which iform iof icell icommunication iis iused ito icommunicate iwithin ithe icell iitself iand iwith iother icells iin idirect iphysical icontact? a. Protein ichannel i(gap ijunction) b. Plasma imembrane–bound isignaling imolecules i(involving ireceptors) c. Hormone isecretion isuch ias ineurotransmitters d. Extracellular ichemical imessengers isuch ias iligands ANS: iA Cells icommunicate iby iusing ihundreds iof ikinds iof isignal imolecules, ifor iexample, iinsulin. iCells icommunicate iin ithree imain iways; ithey idisplay iplasma imembrane–bound isignaling imolecules i(receptors) ithat iaffect ithe icell iitself iand iother icells iin idirect iphysical icontact. iThe iother ioptions ido inot icorrectly idescribe ithis iprocess. PTS: i i i1 REF: iPage i20 12. Which imode iof ichemical isignaling iuses iblood ito itransport icommunication ito icells isome idistance iaway? a. Paracrine c. Neurotransmitter b. Autocrine d. iHormonal ANS: iD Chemical isignaling ican ibe iclassified iinto ithree icategories: i(1) ilocal-chemical imediator, i(2) ihormone, iand i(3) ineurotransmitter. iIn ithe ilocal-chemical imediator imodel, ithe isecreted ichemical iacts ion ithe icells iin ithe iimmediate ienvironment. iHormones iare iused ifor icommunication iwith idistant itargetNcUeRllSsI.NFGoTrBe.xCaOmMple, icells ican isecrete ia ichemical iand irely ion ithe iblood isystem ito ideliver ithe isignal ito ia idistant icell. iFinally, ineurotransmitters iare isecreted iby ineurons ito istimulate ian iadjoining icell. iFor iexample, ia ineuron imight isecrete iacetylcholine ito istimulate ithe imovement iof ia imuscle icell. PTS: i i i1 REF: iPage i20 13. Which imode iof ichemical isignaling iuses ilocal ichemical imediators ithat iare iquickly itaken iup, idestroyed, ior iimmobilized? a. Paracrine c. Neurotransmitter b. Autocrine d. iHormone ANS: iA In iparacrine isignaling, icells isecrete ilocal ichemical imediators ithat iare iquickly itaken iup, idestroyed, ior iimmobilized. iThe iother ioptions ido inot icorrectly idescribe ithis iprocess. PTS: i i i1 REF: iPage i20 14. Neurotransmitters iaffect ithe ipostsynaptic imembrane iby ibinding ito: a. Lipids c. Amphipathic ilipids b. Ribosomes d. iReceptors ANS: iD In ieach itype iof ichemical isignaling, ithe itarget icell ireceives ithe isignal iby ifirst iattaching ito iits ireceptors. iThe iother ioptions ido inot icorrectly idescribe ithis iprocess.

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