Muscle Tissue Anatomy and Function Quiz
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Questions and Answers

What is the smallest functional unit of a skeletal muscle fiber?

  • Sarcoplasmic reticulum
  • Sarcolemma
  • Sarcoplasm
  • Myofibril (correct)

What is the connective tissue organization in skeletal muscle?

  • Mesomysium, Epimysium, Perimysium
  • Endomysium, Epimysium, Mesomysium
  • Perimysium, Endomysium, Mesomysium
  • Epimysium, Perimysium, Endomysium (correct)

What is the difference between tendons and aponeurosis?

  • Tendons are composed of dense regular connective tissue and aponeurosis are composed of dense irregular connective tissue
  • Tendons transmit force to the bone and aponeurosis provide a broad attachment site for muscles (correct)
  • Tendons are flat and aponeurosis are cord-like
  • Tendons attach muscle to bone and aponeurosis attach muscle to muscle

What is the sliding filament theory?

<p>It explains the mechanism of muscle contraction (D)</p> Signup and view all the answers

What are the three types of muscle tissue?

<p>Skeletal, Cardiac, Smooth (A)</p> Signup and view all the answers

What are the three phases of a muscle twitch?

<p>Latent, contraction, relaxation (C)</p> Signup and view all the answers

What is the difference between a muscle cell and a muscle fiber?

<p>Muscle cell is a single nucleus, muscle fiber is a multinucleated cell (A)</p> Signup and view all the answers

What is the neuromuscular junction?

<p>Point of contact between a motor neuron and a muscle cell (C)</p> Signup and view all the answers

What is the connective tissue organization in skeletal muscle?

<p>Endomysium, perimysium, epimysium (C)</p> Signup and view all the answers

What is the sliding filament theory?

<p>Explanation of how muscles produce force (A)</p> Signup and view all the answers

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