The physician orders insulin lispro 28 units subcutaneous. The medication is supplied in 100 units/mL. How many units will the nurse administer?

Answer and Explanation

The Correct Answer is ["28"]

Ordered dose: 28 units
Available concentration: 100 units/mL

Step 1: Use the formula
mL to give = (Desired dose ÷ Concentration)

mL to give = 28 ÷ 100
mL to give = 0.28 mL

Step 2: Convert back to units
Since insulin is measured and administered in units, and the order is already in units:

Final Answer: 28 units

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Correct Answer is C

Explanation

A. A low-sodium diet is appropriate for many cardiac clients and does not conflict with pacemaker placement.
B. Physical therapy is generally safe and beneficial, especially with guidance to avoid lifting the arm on the operative side above shoulder level initially.
C. MRI is contraindicated or used with caution in clients with a pacemaker, especially if it's not MRI-compatible, due to potential interference with device function.
D. Monitoring cardiac enzymes may be necessary postoperatively or if myocardial injury is suspected.

A. Obtain a blood sample for a serum sodium level. B. Obtain a 12-lead ECG. C. Suggest that the client use a salt substitute. D. Advise the client to add citrus juices and bananas to her diet.

Correct Answer is B

Explanation

A. While serum sodium may be relevant, it is not a priority action in response to hyperkalemia.
B. A potassium level of 6.8 mEq/L indicates severe hyperkalemia, which can cause life-threatening cardiac dysrhythmias. A 12-lead ECG should be obtained immediately to assess for ECG changes such as peaked T waves, widened QRS complexes, or heart block.
C. Salt substitutes often contain potassium chloride, which can worsen hyperkalemia and are contraindicated in this case.
D. Citrus fruits and bananas are high in potassium and should be avoided until potassium levels are corrected.

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The physician orders insulin lispro 28 units subcutaneous. The medication is supplied in 100 units/mL. How many units will the nurse administer?

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who recently had surgery for insertion of a permanent pacemaker. Which of the following orders should the nurse clarify?

Correct Answer is C

Explanation

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Correct Answer is B

Explanation

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