Cardiovascular System
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Questions and Answers

What does ejection fraction (EF) measure?

  • The amount of blood pumped out of the heart with each beat (correct)
  • The oxygen level in the blood
  • The heart rate per minute
  • The thickness of the heart muscle

    • What is considered abnormal for ejection fraction (EF)?

  • Around 65%
  • Below 55% (correct)
  • Above 80%
  • Around 50%

    • What is the normal ejection fraction (EF) in a healthy heart?

  • Around 50%
  • Around 90%
  • Around 40%
  • Around 70% (correct)

    • Which condition is characterized by chest pain (angina pectoris)?

    <p>Coronary heart disease (CHD)</p> Signup and view all the answers

    What is another term for myocardial infarction (MI)?

    <p>Heart attack</p> Signup and view all the answers

    Which type of burn results from the conversion of electrical energy into heat?

    <p>Electrical burn</p> Signup and view all the answers

    What should be done for a person with chemical burns?

    <p>Flush with water continuously</p> Signup and view all the answers

    Which factor determines the extent of injury in electrical burns?

    <p>Type of current and pathway of flow</p> Signup and view all the answers

    What type of exposure causes radiation burns?

    <p>Radiant energy transfer</p> Signup and view all the answers

    What effect does burn injury typically cause?

    <p>Coagulation necrosis</p> Signup and view all the answers

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