A nurse is preparing to administer clindamycin 300 mg by intermittent IV bolus over 30 min to a client who has a staphylococcal infection.
Available is clindamycin 900 mg in 50 mL. How many mL/hr should the nurse set the IV pump to? (Round to the nearest whole number, use a leading zero if it applies, do not use a trailing zero)

Answer and Explanation

The Correct Answer is ["033"]

Step 1 is to calculate the number of milliliters (mL) that contain the ordered dose of 300 mg of clindamycin.

Step 2 is to divide the total milliliters (mL) from Step 1 by the infusion time in minutes to get the flow rate in mL/hour. Here are the calculations:

Step 1:

900 mg of clindamycin is in 50 mL.

To find the mL that contain 300 mg, set up a proportion:

(300 mg / 900 mg) = (x mL / 50 mL) Cross-multiply and solve for x:

x = (300 mg * 50 mL) / 900 mg x = 16.67 mL

Step 2:

The infusion time is 30 minutes.

Divide the total mL (16.67 mL) by the infusion time in hours to get the flow rate in mL/hour: Flow rate = 16.67 mL / (30 minutes / 60 minutes/hour)

Flow rate = 33.33 mL/hour

Round to the nearest whole number, using a leading zero if it applies, and no trailing zero: Flow rate = 033 mL/hour

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Correct Answer is ["033"]

Explanation

Step 1 is to calculate the number of milliliters (mL) that contain the ordered dose of 300 mg of clindamycin.

Step 2 is to divide the total milliliters (mL) from Step 1 by the infusion time in minutes to get the flow rate in mL/hour. Here are the calculations:

Step 1:

900 mg of clindamycin is in 50 mL.

To find the mL that contain 300 mg, set up a proportion:

(300 mg / 900 mg) = (x mL / 50 mL) Cross-multiply and solve for x:

x = (300 mg * 50 mL) / 900 mg x = 16.67 mL

Step 2:

The infusion time is 30 minutes.

Divide the total mL (16.67 mL) by the infusion time in hours to get the flow rate in mL/hour: Flow rate = 16.67 mL / (30 minutes / 60 minutes/hour)

Flow rate = 33.33 mL/hour

Round to the nearest whole number, using a leading zero if it applies, and no trailing zero: Flow rate = 033 mL/hour

A. Pitting edema of the hands and fingers B. Grey colored, non-purpuric papular rash C. Dry, red rash across the bridge of the nose and on the cheeks D. Subcutaneous nodules on the ulnar side of the arm

Correct Answer is C

Explanation

Choice A rationale:
Pitting edema of the hands and fingers is not a typical finding in SLE. It can occur in some cases, but it is more commonly associated with other conditions such as kidney disease or heart failure.

Choice B rationale:
Grey colored, non-purpuric papular rash is not a characteristic of SLE. This type of rash is more commonly seen in conditions such as lichen planus or sarcoidosis.

Choice C rationale:
A dry, red rash across the bridge of the nose and on the cheeks, also known as a malar rash, is a classic sign of SLE. It is often described as a "butterfly rash" because of its shape. The rash is caused by inflammation of the small blood vessels in the skin. It is typically worsened by sun exposure.

Choice D rationale:
Subcutaneous nodules on the ulnar side of the arm are a characteristic finding in rheumatoid arthritis, not SLE.

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Naxlex Comprehensive Predictor Exams

Correct Answer is ["033"]

Explanation

A clinic nurse is performing a physical assessment on a client who has systemic lupus erythematosus (SLE). Which of the following findings should the nurse expect?

Correct Answer is C

Explanation

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