Classic Classic Quiz Muscular System by Angelaxiong Angelaxiong 269 played - 13 yrs ago 1st half QUIZ 17 QUESTIONS hard 1 The skeletal muscular system consists of over _____ large and small muscles. 60080010001200 2 _____ muscles are governed by the central nervous sytem and appear striated or striped under the microscope. CardiacSkeletalSmoothAll of the above 3 _____ muscle is composed of cells that are distinctly striated, are quadrangular, joined end to end, and grouped in bundles supported by a framework of connective tissue. CardiacSkeletalSmoothNone of the above 4 ___ muscles are controlled by the autonomic nervous sytem. Are spindle-shaped nonstriated cells that overlap at the ends often forming fibrous bands. Can maintain a contraction for a long time. CardiacSkeletalSmoothAll of the above 5 All of the following are characteristics of muscles EXCEPt _____. IrritabilityProtractilityContractilityExtensibility 6 The muscle cell has a connect tissue covering called the _____ that maintains its parallel position with other cells. PerimysiumEpimysiumEndomysiumGenomysium 7 _____ connect muscle to bones. TendonsLigamentsFasciaCartiliage 8 A(n) _____ is the smallest functional unit of the muscle fiber. NeuronMicrofiberSacomereAndomere 9 The site where the muscle fiber and nerve fiber meet is called the _____. Musculoneural junctionEfferent/afferent junctionNeurotransmitter siteNeuromuscular junction 10 The energy for muscle contraction comes from the breakdown of the _____ molecule. ATPADPAMPDPM 11 _____ results weither because the circulation of blood cannot keep pace w/the demend for oxygen or because the waste products accumulate faster than they can be removed. Muscle toneMuscle strengthMuscle fatigueNone of the above 12 _____ have a relatively slower contraction time and a high resistance to fatigue. Type I fast twitch fibersType I slow twitch fibersType II fast twitch fibersType II slow twitch fibers 13 The white breast meat of a chicken is made of _____ muscle fibers. Type IType IIType IaType IIb 14 _____ muscle fibers provide on-demand, powerful, explosive contractions. These fibers tend to be larger with more actin/myosin filaments but fewer mitochondria and less blood supply. Type IType IIType IIIType IV 15 _____ muscles support the body against gravity and are made up of a high proportion of Type I fibers. PasicGravitationalOrthostaticPostural 16 The place the muscle is anchored to a relatively immovable section of the skeleton is called the place of _____. AttachmentOrginInsertionNone of the above 17 The _____ point of a muscle is generally attached to the more distal aspect of an appendage. AttachmentOrginInsertionNone of the above A mistake in this Quiz ? Contact the author Commentaires
