7. Cardiac cells are part of the skeletal system, but these cells are unique in that they have mixed properties. Having one centrally located nucleus is a characteristic of which type of muscle? a. Cardiac muscle b. Skeletal muscle c. Smooth muscle d. None of the above
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Which of the following is unique to cardiac muscle cells? a. Only cardiac muscle contains a sarcoplasmic reticulum. b. Only cardiac muscle has gap junctions. c. Only cardiac muscle is capable of autorhythmicity d. Only cardiac muscle has a high concentration of mitochondria.
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In an examination of a sample of muscle tissue, you notice that the sample consists of striated cells with multiple nuclei in each cell. This suggests that the sample is from which of the following types of muscle? a. cardiac b. smooth c. skeletal d. Both b and c are correct.
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