A nurse is preparing to administer Ringer lactate 500 mL intravenous (IV) bolus to infuse over 3 hours. The drop factor of the manual IV tubing is 2 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["56"]
To calculate the infusion rate, we'll use the following formula:
Infusion rate (gtt/min) = (Volume to be infused (mL) / Time (min)) Drop factor (gtt/mL)
First, calculate the total time in minutes:
- 3 hours 60 minutes/hour = 180 minutes
Then, calculate the volume per minute:
- 500 mL / 180 minutes = 2.78 mL/min
Finally, multiply the volume per minute by the drop factor:
- 2.78 mL/min 20 gtt/mL = 55.6 gtt/min
Therefore, the nurse should set the manual IV infusion to deliver 56 gtt/min.
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Correct Answer is C
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A. Massage the legs: This is incorrect. Massage is contraindicated as it can cause further tissue damage and is not appropriate for frostbite.
B. Apply dry heat to the legs: This is incorrect. Dry heat can exacerbate tissue damage. Rewarming should be done using controlled, warm water immersion, not dry heat.
C. Elevate the legs: This is correct. Elevating the legs helps reduce swelling and can prevent further tissue damage. However, rewarming should be done carefully in a controlled environment.
D. Immerse the legs in cold water: This is incorrect. Immersing in cold water would worsen the frostbite. Rewarming should be done using warm (not hot) water, ideally at 37-39°C (98.6-102.2°F), for effective treatment.
Correct Answer is C
Explanation
A. Increased sweating: This is incorrect. Increased sweating is not typically indicative of internal hemorrhaging. It can be associated with various conditions but is not a specific sign of internal bleeding.
B. Increased redness at the site: This is incorrect. Increased redness would more likely be associated with localized infection or inflammation rather than internal hemorrhaging.
C. Increased abdominal distention: This is correct. Increased abdominal distention can be a sign of internal hemorrhaging, particularly if blood accumulates in the abdominal cavity (hemoperitoneum), leading to abdominal swelling and discomfort.
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