A charge nurse is reinforcing teaching with an assistive personnel (AP) about performing pulse oximetry. Which of the following information should the nurse include in the teaching?

Select an alternate site to place the oximetry probe if the capillary refill is less than 2 seconds.

Use an adhesive oximetry probe for a client who has a latex allergy.

Remove polish from the client's fingernail before applying the oximetry probe.

Lubricate the tip of the oximetry probe.

Answer and Explanation

The Correct Answer is C

A.   Select an alternate site to place the oximetry probe if the capillary refill is less than 2 seconds: Capillary refill time is not directly related to the placement of the pulse oximetry probe.
Capillary refill is assessed to evaluate peripheral perfusion.
B.   Use an adhesive oximetry probe for a client who has a latex allergy: The type of probe used for pulse oximetry is important, especially for clients with latex allergies. However, the correct action is to use a nonlatex probe or a probe that is compatible with the client's allergy, not necessarily an adhesive probe.
C.   Remove polish from the client's fingernail before applying the oximetry probe: Correct. Nail polish can interfere with the accuracy of pulse oximetry readings, as it may affect light transmission through the nail bed. It is essential to remove nail polish or artificial nails before applying the probe.
D.   Lubricate the tip of the oximetry probe: Lubricating the tip of the oximetry probe is not necessary for proper use and may interfere with the accuracy of readings.

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Correct Answer is D

Explanation

A. Bone pain: Bone pain is not a characteristic finding of hypomagnesemia. Hypomagnesemia is an electrolyte imbalance, and bone pain is not a typical symptom associated with it.
B. Drowsiness: Drowsiness may occur in hypomagnesemia, but it is not a specific or characteristic sign of this condition. Other electrolyte imbalances and medical conditions can also cause drowsiness.
C. Bowel hypomotility: Hypomagnesemia can cause bowel hypomotility (decreased bowel movements), but it is not the most specific finding associated with this condition.
D. Positive Chvostek's sign: Correct. Hypomagnesemia can lead to neuromuscular irritability, and a positive Chvostek's sign is a clinical manifestation of this condition. A positive Chvostek's sign is elicited by tapping the facial nerve (at the level of the zygomatic arch) and observing a
twitching of the facial muscles, which indicates increased neuromuscular excitability.

A. Empty the urine drainage bag every 12 hours. B. Drain the urine from the tubing before ambulation. C. Use a clean technique for urine specimen collection. D. Hang the urine drainage bag at the level of the bladder.

Correct Answer is B

Explanation

A. Empty the urine drainage bag every 12 hours: While it's essential to empty the urine drainage bag regularly to prevent it from becoming too full, emptying it every 12 hours alone is not sufficient to prevent urinary tract infections (UTIs).
B. Drain the urine from the tubing before ambulation: Correct. Before the client ambulates or moves, the nurse should ensure that the urinary catheter's tubing is emptied. This prevents urine from flowing back into the bladder, reducing the risk of UTIs.
C. Use clean technique for urine specimen collection: While using clean technique during urine specimen collection is important for preventing contamination, it is not the primary action needed to prevent UTIs in a client with an indwelling urinary catheter.
D. Hang the urine drainage bag at the level of the bladder: While proper positioning of the drainage bag is essential for optimal urine flow and to prevent backflow, it alone is not sufficient to prevent UTIs.

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A charge nurse is reinforcing teaching with an assistive personnel (AP) about performing pulse oximetry. Which of the following information should the nurse include in the teaching?

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