A nurse is teaching a client how to draw up regular insulin and NPH insulin in the same syringe. Which of the following instructions should the nurse include?

Inject air into the regular insulin first.

Shake the NPH insulin until it is well mixed.

Draw up the NPH insulin into the syringe first.

Discard regular insulin that appears cloudy.

Answer and Explanation

The Correct Answer is D

Choice A reason: This is incorrect. When mixing regular (clear) and NPH (cloudy) insulin, air should be injected into the NPH vial first, then into the regular insulin vial. This prevents contamination of the regular insulin with NPH insulin.

Choice B reason: This is incorrect because the nurse should not shake the NPH insulin vial, but rather roll it gently between the palms to mix it. Shaking can cause bubbles and affect the accuracy of the dose.

Choice C reason: This is incorrect because the nurse should draw up the regular insulin into the syringe first, then the NPH insulin. This prevents mixing of the NPH insulin with the regular insulin in the vial.

Choice D reason: This is correct. Regular insulin should always be clear. If it appears cloudy, it may be contaminated or expired and should be discarded.

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Correct Answer is C

Explanation

Choice A reason: Vaginal cultures are not necessary for oral contraceptive therapy. They are used to diagnose infections such as bacterial vaginosis, yeast infection, or sexually transmitted diseases.

Choice B reason: Complete blood count is not essential for oral contraceptive therapy. It is used to measure the number and types of blood cells, such as red blood cells, white blood cells, and platelets.

Choice C reason: Serum potassium level is the most important laboratory test for oral contraceptive therapy. This is because some oral contraceptives can increase the risk of hyperkalemia, which is a high level of potassium in the blood. Hyperkalemia can cause serious complications such as cardiac arrhythmias, muscle weakness, and paralysis.

Choice D reason: Pregnancy test is not a laboratory test, but a urine test. It is important to rule out pregnancy before starting oral contraceptive therapy, but it is not the most important test for the nurse to assess.

A. Take the bronchodilator inhaler first. B. Take the corticosteroid inhaler first. C. Take these two drugs at least 2 hours apart. D. It does not matter which inhaler you use first.

Correct Answer is A

Explanation

Choice A reason: Taking the bronchodilator inhaler first will help to open up the airways and make it easier for the corticosteroid inhaler to reach the lungs and reduce inflammation. This will improve the effectiveness and safety of the inhalers.

Choice B reason: Taking the corticosteroid inhaler first may not be as effective as taking the bronchodilator inhaler first, because the airways may be constricted and prevent the corticosteroid from reaching the lungs. This may reduce the anti-inflammatory effect of the corticosteroid and increase the risk of side effects.

Choice C reason: Taking these two drugs at least 2 hours apart is not necessary and may not be practical for the patient. The bronchodilator and the corticosteroid can be taken together, as long as the bronchodilator is taken first.

Choice D reason: It does matter which inhaler the patient uses first, because the order of the inhalers can affect their efficacy and safety. The patient should always use the bronchodilator inhaler first, followed by the corticosteroid inhaler.

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A nurse is teaching a client how to draw up regular insulin and NPH insulin in the same syringe. Which of the following instructions should the nurse include?

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Naxlex Comprehensive Predictor Exams

A woman visits a health center requesting oral contraceptives. Which laboratory test is most important for the nurse to assess before the patient begins oral contraceptive therapy?

Correct Answer is C

Explanation

A patient has prescriptions for two inhalers. One inhaler is a bronchodilator, and the other is a corticosteroid. Which instruction regarding these inhalers will the nurse give to the patient?

Correct Answer is A

Explanation

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