Chamberlain Bios 252 Exam 1 Questions And Correct Answers

Chamberlain Bios 252 Exam 1 Questions A
Answers




skeletal cmuscle c- cCORRECT cANS✔✔- clong, cthin, ccylindrical cin cshape
- cmultinucleated
- cattached cto cbone c& cskin c
- cvoluntary
- cstriated

cardiac cmuscle c- cCORRECT cANS✔✔- cshort, cfat, cbranched
- cuninucleated
- cin cheart
- cattached cto cintercalated cdiscs
- cinvoluntary
- cstriated

smooth cmuscle c- cCORRECT cANS✔✔- cin chollow corgans
- cininucleated c
- cinvoluntary
- clack cstriations

excitability c- cCORRECT cANS✔✔responsiveness cto cchemical csignals, cstretch, cand celectrical cch
cmembrane


conductivity c- cCORRECT cANS✔✔local celectrical cexcitation csets coff ca cwave cof cexcitation cthat c

contractility c- cCORRECT cANS✔✔shortens cwhen cstim

extensibility c- cCORRECT cANS✔✔capable cof cbeing cstretched cb/w ccontractions

elasticity c- cCORRECT cANS✔✔returns cto cits coriginal crest clength cafter cbeing cstretched

organization cof cskeletal cmuscle c- cCORRECT cANS✔✔microfilaments, cmyofibril, cmuscle cfiber, cm
cmuscle

, h czone c- cCORRECT cANS✔✔narrow cregion cin ccenter cof ceach ca cband cthat ccontains cthick cfilam

m cline c- cCORRECT cANS✔✔region cin ccenter cof ch czone cthat ccontains cproteins cthat chold cthick
csarcomere


fibrous c(F) cactin c- cCORRECT cANS✔✔2 cintertwined cstrands
c- cstring cof cglobular c(G) cactin csubunits ceach cw/ cactive csite cthat ccan cbind chead cof cmyosin cmo


troponin cmolecule c- cCORRECT cANS✔✔small, cCa2+- cbinding cprotein con ceach ctropomyosin cmo

1st cstep cof csliding cfilament ctheory c- cCORRECT cANS✔✔myosin cpulls con cactin, ccausing cthin cfi
c* cratchet calong cfilaments


2nd cstep cof csliding cfilament ctheory c- cCORRECT cANS✔✔z cdiscs cmove ctowards ceach cother, c&

3rd cstep cof csliding cfilament ctheory c- cCORRECT cANS✔✔thanks cto cstructural cproteins, cthere cis
cthroughout cthe centire cmuscle
c* cresulting cin cwhole cmuscle ccontraction


4th cstep cof csliding cfilament ctheory c- cCORRECT cANS✔✔changes cin cI cband c& cH czone cas cmu

how cdo cmuscles cderive cthe cATP cnecessary cto cpower ccontraction ccycle? c- cCORRECT cANS✔✔
cphosphate c
2. canaerobic cglycolysis c
3. ccellular crespiration caerobic ccomponents c(Krebs c& ce- ctransport cchain)

isotonic c- cCORRECT cANS✔✔tension cis cconstant cwhile cmuscle clength cchanges

isometric c- cCORRECT cANS✔✔muscle ccontracts cbut cdoes cnot cchange clength
c- cie: cholding cbook cout


origin c- cCORRECT cANS✔✔stationary

insertion c- cCORRECT cANS✔✔moving

sarcomere c- cCORRECT cANS✔✔contractile cunit cof ca cmuscle cfiber

sarcolemma c- cCORRECT cANS✔✔plasma cmembrane cof ca cmuscle ccell

sarcoplasmic creticulum c- cCORRECT cANS✔✔specialized cendoplasmic creticulum cof cmuscle ccell

first-class clever csystem c- cCORRECT cANS✔✔EFR c(effort, cfulcrum, cresistance, cor cload)

second-class clever csystem c- cCORRECT cANS✔✔FRE

third-class clever csystem c- cCORRECT cANS✔✔REF

do cbones cserve cas clevers cor cas cfulcrums? c- cCORRECT cANS✔✔levers

how cis cthe clever cacted con cby? c- cCORRECT cANS✔✔resistance c& ceffort

first-class clever c- cCORRECT cANS✔✔fulcrum cb/w cload c& ceffort c
c* cie: cseesaw cor cscissors
c- catlanto-occipital