Practice Quiz

Personal Trainer Practice Questions

Category - NSCA

Start a Study Session Sign up for Question of the Day
Which muscular structure surrounds the actual muscle fiber and is responsible for depolarization of the surface of the fiber and protection and insulation of the fiber from others around it?
  1. Satellite cells
  2. Sarcoplasm
  3. Fascia
  4. Sarcolemma
Explanation
Answer: D - The sarcolemma is responsible for depolarization of the surface of the fiber and protection and insulation of the fiber from others around it. The sarcolemma is a thin membrane that connects with the endomysium and contains structures that are important for internal functions and growth.
Previous Next
Was this helpful? Upvote!
Login to contribute your own answer or details
Start a Study Session Sign up for Question of the Day

Top questions

Related questions

Most popular on PracticeQuiz