Physiotherapy: Electric Shock and Safety
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Questions and Answers

What is the primary function of a fuse in electrical apparatus?

  • To convert AC to DC
  • To increase the efficiency of the apparatus
  • To protect the circuit from overcurrent (correct)
  • To regulate the voltage of the circuit

    • What is the most critical factor in determining the severity of electric shock?

  • Duration of the shock
  • Intensity of current (correct)
  • Voltage of the circuit
  • Type of current (AC or DC)

    • What is the first step in treating a person who has received an electric shock?

  • Switching off the AC power source (correct)
  • Giving artificial respiration
  • Administering a hot drink
  • Loosening tight clothing

    • What is the primary precaution to take when handling electrical equipment?

    <p>Not touching electrical equipment</p> Signup and view all the answers

    What is the effect of a minor electric shock on the victim?

    <p>Fright and possible hysteria</p> Signup and view all the answers

    Why is alternating current more severe than direct current in causing electric shock?

    <p>Because AC has a greater emf than DC</p> Signup and view all the answers

    What is the purpose of testing apparatus before use?

    <p>To ensure the apparatus is safe to use</p> Signup and view all the answers

    What should be done before investigating a fault in an electrical apparatus?

    <p>Disconnecting the apparatus from the power source</p> Signup and view all the answers

    What is a common precaution to prevent earth shock in a physiotherapy department?

    <p>Ensuring water and gas pipes are out of reach</p> Signup and view all the answers

    What is a risk when a person receiving treatment rests their hand on a water pipe?

    <p>They might receive an electric shock</p> Signup and view all the answers

    What must the voltage be to feel a static shock?

    <p>3500 Volts</p> Signup and view all the answers

    What is a purpose of ESD flooring?

    <p>To prevent and remove static electric charges</p> Signup and view all the answers

    What material is NOT generally used in creating ESD flooring?

    <p>Wood</p> Signup and view all the answers

    Why should a rubber mat be used under a patient's feet during treatment?

    <p>To prevent electric shock by providing insulation</p> Signup and view all the answers

    What is the primary purpose of a fuse in an electrical circuit?

    <p>To stop the flow of current when it exceeds a safe level</p> Signup and view all the answers

    What are the immediate steps to take when a fuse blows?

    <p>Switch off the main supply and replace the burned fuse wire with a new one of correct thickness</p> Signup and view all the answers

    Why should a person avoid forming a part of the earth connection in an electrical circuit?

    <p>It can result in an earth shock</p> Signup and view all the answers

    What causes a fuse to blow in an electrical circuit?

    <p>The apparatus has a high wattage</p> Signup and view all the answers

    In a three-wire connection, what can result in an earth shock?

    <p>Contact between person and a live wire while connected to earth</p> Signup and view all the answers

    What factor is NOT a common cause of fuse blowing?

    <p>High resistance in the apparatus</p> Signup and view all the answers

    What is the result of a thicker fuse wire in the circuit?

    <p>It allows a larger intensity current than intended</p> Signup and view all the answers

    How can a person unintentionally create an earth connection?

    <p>By touching a conductor connected to earth such as water pipes or radiators</p> Signup and view all the answers

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