A student is characterizing a muscle tissue sample in lab. She discovers that it is autorhythmic and contains striations. What type of muscle tissue is she working with?Multiple ChoiceSmooth muscleSkeletal muscleCardiac muscle
Question
A student is characterizing a muscle tissue sample in lab. She discovers that it is autorhythmic and contains striations. What type of muscle tissue is she working with?Multiple ChoiceSmooth muscleSkeletal muscleCardiac muscle
Solution
The student is working with Cardiac muscle. This is because cardiac muscle is the only type of muscle tissue that is both autorhythmic, meaning it can contract without any signal from the nervous system, and striated, meaning it has a banded appearance under the microscope.
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