Tissue types and function · USMLE Step 1

Which muscle tissue type is characterized by striations, voluntary control, and multinucleated long fibers?

  1. Smooth muscle
  2. Cardiac muscle
  3. Skeletal muscle
  4. Myoepithelial muscle
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Correct answer: Skeletal muscle

Skeletal muscle tissue shows distinct striations under microscope, is under voluntary control, and its fibers are long and multinucleated — distinguishing it from smooth and cardiac muscle.

Difficulty: Medium Question 8 of 22

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