A nurse is preparing to administer enoxaparin 5 mg/kg subcutaneous daily to a client who has deep-vein thrombosis. The client weighs 152 lb. Available is 120 mg/0.8 mL prefilled syringe. Calculate the dosage in mL that the nurse should administer. (Round the answer to the nearest tenth. Use a leading zero if applicable. Do not use a trailing zero.)
The Correct Answer is ["2.3"]
1 lb = 0.453592 kg (conversion factor)
Weight in kilograms = 152 lb × 0.453592 kg/lb ≈ 68.946 kg
Calculate the total dosage based on the client's weight:
Total dosage = 5 mg/kg × 68.946 kg
≈ 344.73mg
Determine the volume of enoxaparin solution needed based on the concentration provided: Available concentration: 120 mg/0.8 mL
Dosage required: 344.73 mg Using the formula:
Volume (mL) = Dosage required (mg) / Concentration (mg/mL)
= 344.73mg / 120 mg/0.8 mL
= 2.3ml
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is B
Explanation
A. There is no need for change of antibiotic as there is no cross-rectivity between macrolides and penicillins.
B. Given the client's severe allergy to penicillin, it would be safe to administer erythromycin, a macrolide, as there is no risk of cross-reactivity.
C. Diphenhydramine is an antihistamine commonly used to treat allergic reactions, but premedicating the client with diphenhydramine is not necessary.
D. Changing the route of administration would not alter the risk of an allergic reaction.
Correct Answer is B
Explanation
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A. Constipation is not a common adverse effect of ceftriaxone. It is more commonly associated with other medications or medical conditions unrelated to ceftriaxone.
C. Pitting edema is not a common adverse effect of ceftriaxone. It may occur as a result of other medical conditions or medications, but it is not specifically associated with ceftriaxone.
D. Concentrated urine is not a common adverse effect of ceftriaxone.
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