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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is A
Explanation
Choice A reason: Decreases inflammation is a therapeutic effect of prednisone. Prednisone is a corticosteroid that suppresses the immune system and reduces the production of inflammatory mediators. This helps to relieve the pain, swelling, and stiffness of rheumatoid arthritis.
Choice B reason: Increases bone density is not a therapeutic effect of prednisone. Prednisone can cause bone loss and osteoporosis by decreasing calcium absorption and increasing calcium excretion. This increases the risk of fractures and bone damage.
Choice C reason: Reduces risk of infection is not a therapeutic effect of prednisone. Prednisone can increase the risk of infection by weakening the immune system and making it less able to fight off pathogens. This requires close monitoring and prophylactic antibiotics.
Choice D reason: Improves peripheral blood flow is not a therapeutic effect of prednisone. Prednisone can impair peripheral blood flow by causing vasoconstriction and increasing blood pressure. This can worsen the symptoms of peripheral vascular disease and increase the risk of thrombosis.
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