Smooth Muscle Physiology Quiz
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Questions and Answers

What is the primary function of smooth muscles in the digestive tract and blood vessels?

  • Supporting the skeletal structure
  • Generating heat for the body
  • Facilitating voluntary movement
  • Aiding in movement and propulsion of substances (correct)

    • Which type of smooth muscle has individual fibers that can contract independently?

  • Cardiac muscle
  • Multiunit smooth muscle (correct)
  • Unitary smooth muscle
  • Skeletal muscle

    • Where are examples of multiunit smooth muscles found?

  • Ciliary muscles and iris muscles of the eye (correct)
  • Biceps and triceps muscles
  • Hamstring and quadriceps muscles
  • Gastrocnemius and soleus muscles

    • What do smooth muscles contain that are similar to those in skeletal muscles?

    <p>Actin and myosin filaments</p> Signup and view all the answers

    How do unitary smooth muscles contract?

    <p>Together as a single unit</p> Signup and view all the answers

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