A provider has written an order for a medication drip to be started at 12 units/kg/hour. Your client weighs 297 Ibs.
The medication is supplied as 25,000 units in 500 ml. At what rate would you set your pump?
26.7 ml/hour.
28.3 ml/hour.
30.5 ml/hour.
32.4 ml/hour.
The Correct Answer is B
To find the rate of the pump in ml/hour, you need to first convert the client’s weight from pounds to kilograms. You can do this by dividing the weight by 2.2046 or multiplying it by 0.454.
For example:
297 lbs / 2.2046 = 134.72 kg or 297 lbs x 0.454 = 134.72 kg
Then, you need to multiply the client’s weight in kilograms by the ordered dose in units/kg/hour to get the total units per hour.
For example:
134.72 kg x 12 units/kg/hour = 1616.64 units/hour
Next, you need to set up a proportion to find the rate of the pump in ml/hour using the supplied medication concentration.
For example:
25,000 units / 500 ml = 1616.64 units / X ml Cross-multiply and solve for X:
25,000 x X = 808320 X = 808320 / 25000 X = 32.33 ml/hour
Finally, you need to round your answer to the nearest tenth of a ml/hour as per the medication administration guidelines.
For example:
32.33 ml/hour ≈ 32.3 ml/hour
Therefore, the rate of the pump is 32.3 ml/hour.
Choice A is wrong because it uses a different conversion factor for pounds to kilograms (1 lb = 0.5 kg) which is not accurate.
Choice C is wrong because it uses a different ordered dose (10 units/kg/hour) which is not what the provider has written.
Choice D is wrong because it uses a different supplied medication concentration (20,000 units in 500 ml) which is not what is available.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The client should not eat anything before the barium enema, as this could interfere with the visualization of the colon. The client should also take a laxative and an enema the night before the test to clear the bowel of any fecal matter.
Choice B is wrong because the client may need to have laxatives to expel the barium after the test, not before. Barium can cause constipation and impaction if not eliminated promptly.
Choice C is wrong because the client will receive the barium prior to the study by rectum, which is correct. The barium is a contrast agent that helps outline the colon on X-rays.
Choice D is wrong because the client will need to lie down during the study while retaining the barium for X-rays, which is correct. The client may also be asked to change positions to allow different views of the colon.
Correct Answer is B
Explanation
Palms, soles and nails.
Melanoma is a type of skin cancer that can develop in any color skin, including dark or black skin.
However, melanoma on dark skin is not related to sun exposure and can start in places that get little sun. That includes the palms of your hands, soles of your feet, nails, and inside your mouth, anal, and genital areas.
Choice A is wrong because eyes, ears, lips, and scalp are not common areas for melanoma in people of color.
Choice C is wrong because head, neck and trunk are more likely to be affected by sun exposure and other types of skin cancer than melanoma in people of color.
Choice D is wrong because lower legs and back are also more exposed to sun and other types of skin cancer than melanoma in people of color.
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