Quiz on Control of Breathing and Apnea Test for Neurological Brain Death
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Questions and Answers

Which of the following is a required element for declaring 'neurological brain death' according to the text?

  • Decrease in PaCO2 to 40 mmHg
  • Decrease in PaO2 to 40 mmHg
  • Increase in PaO2 to 60 mmHg
  • Rise in PaCO2 to 60 mmHg (correct)

    • What is the usual response of the CO2 drive to changes in PaCO2 levels according to the text?

  • Respond to changes in PaCO2 of 10-20 mmHg decrease below 40 mmHg
  • Respond to changes in PaCO2 of 1-2 mmHg decrease below 40 mmHg
  • Respond to changes in PaCO2 of 10-20 mmHg rise above 40 mmHg
  • Respond to changes in PaCO2 of 1-2 mmHg rise above 40 mmHg (correct)

    • What happens if a person does not take a breath with a PaCO2 of 60 mmHg according to the text?

  • Their respiratory muscles become hyperactive
  • Their peripheral chemoreceptors become hyperactive
  • Their brain stem central CO2 receptors and output to respiratory muscles are absent (correct)
  • Their brain stem central CO2 receptors become hyperactive

    • What is the goal of providing supplemental oxygen according to the text?

    <p>To reach a 'safe' Hb saturation, not a 'normal' one (A)</p> Signup and view all the answers

    What is a common cause of hyperventilation according to the text?

    <p>Respiratory acidosis caused by aspirin (C)</p> Signup and view all the answers

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