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Questions and Answers
Which of the following is a required element for declaring 'neurological brain death' according to the text?
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?
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?
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?
What is the goal of providing supplemental oxygen according to the text?
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What is a common cause of hyperventilation according to the text?
What is a common cause of hyperventilation according to the text?
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