CH7.4 MS
Quiz by Sally Gomez
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73 questions
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- Q1Smooth muscle cells are usually characterized by:non-striated appearancestriated appearancebranched shapemultiple nuclei30s
- Q2Smooth muscle cells are typically controlled:by the central nervous systeminvoluntarilyvoluntarilythrough conscious effort30s
- Q3Which statement is true about smooth muscle cells?They have a branched shapeThey have no nucleusThey have multiple nuclei per cellThey usually have one nucleus per cell30s
- Q4What is a characteristic of cardiac muscle cells?They are connected to one another by intercalated disksThey are spindle-shapedThey are non-striatedThey have multiple nuclei30s
- Q5Which muscle type has myofilaments organized into sarcomeres?Cardiac muscleBoth smooth and skeletal muscleSmooth muscleSkeletal muscle30s
- Q6What type of muscle contraction is autorhythmic?Cardiac muscle contractionBoth smooth and skeletal muscle contractionsSkeletal muscle contractionSmooth muscle contraction30s
- Q7Which of the following can stimulate smooth muscle?Voluntary controlStriated appearanceAction potentials in adjacent cellsNeurotransmitter substances, hormones, and other factors30s
- Q8Which type of muscle cells function as a single unit?Skeletal muscle cellsCardiac muscle cellsBoth smooth and skeletal muscle cellsSmooth muscle cells30s
- Q9Which of the following accurately describes the shape of smooth muscle cells?BranchingFibrousSpindle-shapedCuboidal30s
- Q10Which type of muscle cells are striated?Skeletal muscle cellsBoth smooth and skeletal muscle cellsSmooth muscle cellsCardiac muscle cells30s
- Q11What is the name of the specialized structures that connect cardiac muscle cells to one another?DesmosomesSarcomeresGap junctionsIntercalated disks30s
- Q12Which characteristic of cardiac muscle cells allows them to function as a single unit?Interconnected nucleiAutorhythmic contractionAction potential propagationStriated arrangement30s
- Q13What is the term for the striated arrangement of cardiac muscle?Sarcomere arrangementMultinucleated structureIntercalated disk connectionAutorhythmic contraction30s
- Q14Which type of muscle is cardiac muscle?Skeletal muscleStriated muscleCardiac muscleSmooth muscle30s
- Q15What is the term for the contraction of cardiac muscle without external stimulation?Intercalated disk connectionSarcomere arrangementMultinucleated structureAutorhythmic contraction30s