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Muscle Lecture Exam
Question | Answer |
---|---|
Connective tissue surrounding the muscle | Epimysium |
Connective tissue that surrounds the fascicle | Perimysium |
Connective tissue that surrounds each muscle fiber | Endomysium |
What fuses together to form skeletal muscle fibers? | Myoblasts |
Bundles of myofilaments | Myofibrils |
material in between z-discs | sacromere |
Tank-like structures that stores calcium | Sarcoplasmic reticulum |
Muscle cell membrane | sarcolemma |
Cell to cell electrical connecter | gap junction |
What are the three types of skeletal muscle based off the ATP-ase | fast, slow, intermediate |
Which contracting muscle fibers fatigue the fastest? | Fast |
Which contracting muscle fibers fatigue the slowest? | Slow |
Why are slower fibers darker? | Myoglobin iron oxide (rust) |
Which type of muscle has intercalated discs? | Cardiac muscle |
Which type of muscle is way short, has no branches, and no striations? | Smooth muscle |
What is the football shape of smooth muscle? | Fusiform |