<prompt> Intercalated discs are present in?Smooth muscle cellSkeletal muscle cellCardiac myocytesHone  <response>: ANSWER: C Cardiac myocytesREF: Ganongs 22nd ed p. 78Cardiac muscle consists of single heart musde ceils cardiomyocy tes which have to be connected by intercalated discs to work as a functional organMUSCLE CELLS TYPES SkeletalCardiacSmoothNucleiMultinucleated, peripherally locatedSingle nuclei, Centrally locatedSingle nuclei. Centrally locatedBandingActin and myosin form distinctive bandsActin and myosin form distinctive bandsActin and myosin; No distinctive bandsZ-disksPresentPresentAbsent, cytoplasmic dense bodies are presentT tubulesT tubules at A-I junction; triads presentT tubules at Z disk; diads presentNo T tubules; no triadsCellular junctionsNo junctional complexesIntercalated disksGap junctionsNeuromuscularjunctionsPresentNot present; contraction is intrinsicNot present; contraction is intrinsic, neural, or hormonalCa bindingTroponinTroponinCalmodulinRegenerationLimited; satellite cellsNoneHigh 