MARTINI'S ANATOMY & PHYSIOLOGY CH 11- MUSCULAR SYSTEM QUESTIONS WITH CORRECT ANSWERS RATED A+

MARTINI'S ANATOMY & PHYSIOLOGY CH 11-
MUSCULAR SYSTEM QUESTIONS WITH
CORRECT ANSWERS RATED A+ 2025-2026




Classificationtoftskeletaltmusclest(basedtontfasciclestarrangement)t-tCORRECTtANSWERSParallel

Convergent

Pennate

Circular



Paralleltmusclest-
tCORRECTtANSWERSMosttmusclestintbody;tfasciclestparallelttotlongtaxistoftmusclet(ex:tbicepstbrach


ii);tcontractst30%tshortertgetstlargertintdiameter



Tensiontintparalleltmusclestdependst-tCORRECTtANSWERSTotaltnumbertoftmyofibrils;t

Forteacht1tin2;t50tlbstoftisometricttension



Convergenttmusclest-
tCORRECTtANSWERSBroadtareatconvergetontattachmenttsite;ttendon,taponeurosis,tortraphet(bandt


oftcollagentfibers);tfantortbroadttrianglet(ex:tpectorals)

,Convergenttmuscletistversatiletbecauset-
tCORRECTtANSWERSStimulationstoftdifftportionstcantchangetdirectiontoftpull;tentiretmuscletcontra


cts,tfiberstdotnottpulltasthardtontattachmenttsitetastparalleltmuscletoftsametsize,tfiberstpullstintdifftdi
rections



Pennatetmusclest-
tCORRECTtANSWERSFormtcommontangletwithttendon;tdotnottmovetastfartastparalleltmuscles;tcont


aintmoretmyofibrilst&tproducetmorettensiontthantparalleltmuscles;tuni,tbi,tortmulti



Unipennatet-tCORRECTtANSWERSFiberstontsametsidetofttendon;tex:textensortdigitoriumt(forearm)



Bipennatet-tCORRECTtANSWERSFiberstontbothtsidetofttendon;tex:trectustfemorist(extendstknee)



Multipennatet-tCORRECTtANSWERSTendontbranchestwirhtmuscles;tex:tdeltoid



Circulartmuscles/sphincterst-
tCORRECTtANSWERSOpent&tclosettotguardtentrancestoftbody;tdigestivet&turinaryttractstex:torbicul


aristoristoftmouth



Skeletaltmotiont-
tCORRECTtANSWERSSkeletaltmusclestattachttotskeleton,tproducetmotion;tattachmenttaffectstpowe


r,tranget&tspeedtoftmuscletmvmt;tcantBetmodifiedtbytattachingtbonettotlever



Intbonetistthet______tandtjointtistthet_______tandtmuscletprovidestthet_____t-
tCORRECTtANSWERSLever;tfulcrum;tforce




Leverstfunctionttotchanget-tCORRECTtANSWERSDirectiontoftforcet

Distancet&tspeedtoftmvmttproducedtbytforcet

Effectivetstrengthtoftforce

, 3tclassestoftleverst-tCORRECTtANSWERSFirst,tsecond,tandtthirdtclass



Firsttclasstlevert-
tCORRECTtANSWERSLiketatteeterttotter;tFulcrumtliestbetweentAFtandtload;tfewtintbody;tex:textensi


ontintneck



Secondtclasstleverst-
tCORRECTtANSWERSLiketatwheelbarrow;tcentertresistancetbtwtappliedtforcetandtfulcrum;tsmalltfor


cetmovestlargetweight;t+effectivetforce;tloadtmovestslower,tbuttcoverstmoretdistance



Extensiontintnecktwhatttypetlevert-tCORRECTtANSWERSFirsttclass



Extensiontoftanklet(plantartflexion)twhatttypetlevert-tCORRECTtANSWERSSecondtclass



Thirdtclasstleverst-
tCORRECTtANSWERSMosttcommontintbody;tcentertappliedtforcetbtwtresistancetandtfulcrum;tgreat


ertforcetmovestsmallertresistance;tmaximizestspeedtandtdistancettraveled;toppositestoftsecondtcla
sstlevers



Exampletoftthirdtclasstlevert-tCORRECTtANSWERSBicepstbrachiitmuscle



Origint-tCORRECTtANSWERSAtmusclestonetfixedtpointtoftattachment



Insertiont-tCORRECTtANSWERSAtmusclestonetmovingtpointtoftattachment



Mosttmusclestoriginatetat?t-
tCORRECTtANSWERSBone,tbuttsometoriginatetattmuscletsheathtortband