Answer to Question 1
B
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A The thumb is not the correct site for measuring oxygen saturation in a patient with tremors.
B The correct site for measuring oxygen saturation in a patient with tremors is the earlobe.
C The middle digit is not the correct site for measuring oxygen saturation in a patient with tremors.
D A single-use probe on the abdomen is not the correct site for measuring oxygen saturation in a patient with tremors.
Answer to Question 2
B
Feedback
A The patient can adjust the intensity of skin stimulation. The unit does not have to remain on high.
B When a patient feels pain, the TENS unit is turned on and a buzzing or tingling sensation is created. The tingling sensation can be applied until pain relief occurs. The therapy requires a physician's order.
C The electrodes do not have to be removed at bedtime.
D Medication can be administered when a TENS unit is being used.
The nurse uses a noninvasive bladder ultrasound to measure the client’s bladder volume.
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