Muscle Terminology Fun Facts
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Questions and Answers

What is the function of the sarcoplasmic reticulum in muscle cells?

  • Produce ATP
  • Oxygenate the sarcoplasm
  • Sequester and release calcium ions (correct)
  • Synthesize myoglobin

What is the structure that bisects the I bands in a sarcomere?

  • A bands
  • M lines
  • H bands
  • Z lines (correct)

Which type of muscle cells are branched and striated?

  • Smooth muscle cells
  • Myofibril cells
  • Skeletal muscle cells
  • Cardiac muscle cells (correct)

What is the function of T-tubules in muscle cells?

<p>Form diads with adjacent sarcoplasmic reticulum (B)</p> Signup and view all the answers

What gives rise to myoblasts in the process of muscle development?

<p>Mesenchymal cells (C)</p> Signup and view all the answers

From which Greek word does the term 'Sarco-' in muscle terminology originate?

<p>Flesh (D)</p> Signup and view all the answers

What is the main difference between smooth muscle cells and skeletal muscle cells?

<p>Striations (B)</p> Signup and view all the answers

Why is it incorrect to use 'striated muscle' interchangeably with 'skeletal muscle'?

<p>Cardiac muscle is also striated (A)</p> Signup and view all the answers

Which type of muscle has plump, central nuclei?

<p>Cardiac (C)</p> Signup and view all the answers

What distinguishes the blood supply of cardiac muscles from skeletal muscles?

<p>More abundant in cardiac muscles (C)</p> Signup and view all the answers

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