Podcast
Questions and Answers
What is the primary purpose of a modified Allen test?
What is the primary purpose of a modified Allen test?
- To determine adequate perfusion through the radial artery
- To determine adequate perfusion through both the radial and ulnar arteries
- To determine if there is adequate perfusion through the ulnar artery in case the radial artery becomes occluded (correct)
- To check on reperfusion of the nail bed
Which of the following devices can measure COHb levels?
Which of the following devices can measure COHb levels?
- Pulse oximeter
- PtcO2 monitor
- CO-oximeter/hemoximeter (correct)
- Blood gas analyzer
What does a positive result in a modified Allen test indicate?
What does a positive result in a modified Allen test indicate?
- Adequate ulnar circulation (correct)
- Inadequate perfusion through the ulnar artery
- Adequate perfusion through the radial artery
- Inadequate perfusion through both the radial and ulnar arteries
What happens to the pH value if a blood sample is not quickly cooled in ice water?
What happens to the pH value if a blood sample is not quickly cooled in ice water?
Which of the following situations would NOT warrant a blood gas analysis?
Which of the following situations would NOT warrant a blood gas analysis?
What is the limitation of pressing on the nail bed to make it blanch and then releasing the pressure to check on reperfusion?
What is the limitation of pressing on the nail bed to make it blanch and then releasing the pressure to check on reperfusion?
When may gloves be worn on both hands?
When may gloves be worn on both hands?
What is indicated by a PaO2 value in the 60 to 79 torr range?
What is indicated by a PaO2 value in the 60 to 79 torr range?
What is the result of an acute rise in CO2 of 10 mm Hg?
What is the result of an acute rise in CO2 of 10 mm Hg?
What is indicated by a PaO2 value greater than 80 torr with supplemental oxygen?
What is indicated by a PaO2 value greater than 80 torr with supplemental oxygen?
What is indicated by a low PaCO2 value coupled with normal bicarbonate concentration and normal base excess found with an alkalotic pH?
What is indicated by a low PaCO2 value coupled with normal bicarbonate concentration and normal base excess found with an alkalotic pH?
What is the correlation between a PaO2 level and tissue oxygenation?
What is the correlation between a PaO2 level and tissue oxygenation?
