A client scheduled for a pulmonary function test asks what is involved in the test. The nurse should explain:
1. "You will have blood drawn from an artery in your wrist."
2. "A sensor is placed on your fingertip or earlobe, and your oxygen levels will be measured."
3. "An x-ray of your lungs is taken after a dye is injected into your vein."
4. "You will be asked to breathe in a specific manner, and measurements are taken."
Answer: 4
1. This is a blood gas test.
2. This is a pulse oximeter.
3. This describes a CT of the lung.
4. Pulmonary function tests measure lung volumes as the client performs specific inhalation and exhalation instructions.
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