Respiratory Physiology: Breathing Patterns and Gas Exchange
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Questions and Answers

What is the source of the normal tidal volume (VT)?

  • A patient's age and weight
  • The Radford Nomogram (correct)
  • A person's physical activity level
  • A patient's recent medical history

    • What is the primary cause of hypercapnia?

  • A higher than normal oxygen level in the blood
  • A breathing pattern that is slower and/or shallower than physiologically necessary (correct)
  • A breathing pattern that is faster and deeper than necessary
  • A lower than normal pH level

    • What is the definition of acidemia?

  • A condition in which the blood pH is higher than normal
  • A condition in which the blood oxygen level is lower than normal
  • A condition in which the blood carbon dioxide level is higher than normal
  • A condition in which the blood pH is lower than normal (correct)

    • What is the threshold for PaCO2 in hypercapnia?

    <p>A PaCO2 &gt;45 mmHg</p> Signup and view all the answers

    What is the term for an abnormally high level of carbon dioxide in the blood?

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

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