A nurse is preparing to administer enoxaparin 1 mg/kg subcutaneously every 12 hr.
The client's weight is 121 lb.
Available is enoxaparin 60 mg/0.6 mL.
How many mL should the nurse administer per dose? (Round the answer to the nearest tenth.
Use a leading zero if it applies. Do not use a trailing zero.)
0.5 mL.
0.600 mL.
0.6 mL.
0.8 mL.
The Correct Answer is C
First, convert the client’s weight from pounds to kilograms: 121 lb /.2 = 55 kg. Then, calculate the dose in mg: 1 mg/kg * 55 kg = 55 mg.
Finally, use the ratio of available enoxaparin to calculate the volume to administer: (55 mg / 60 mg) * 0.6 mL = 0.55 mL.
Rounded to the nearest tenth, this is 0.6 mL.
Choice A is wrong because it is less than the calculated dose of 0.6 mL.
Choice B is wrong because it is equal to the calculated dose of 0.6 mL but not rounded to the nearest tenth.
Choice D is wrong because it is greater than the calculated dose of 0.6 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is D
Explanation
Heparin therapy is used to prevent thrombus propagation and distal embolization while allowing the endogenous fibrinolytic system to dissolve existing clots in deep-vein thrombosis (DVT)1.
A reduction in calf circumference may indicate that the clot is dissolving and the therapy is effective.
Choice A is wrong because platelets within the expected reference range do not necessarily indicate that heparin therapy for DVT is effective.
Choice B is wrong because INR (International Normalized Ratio) is used to monitor warfarin therapy, not heparin therapy.
Choice C is wrong because the presence of pedal pulses bilaterally does not necessarily indicate that heparin therapy for DVT is effective.
Correct Answer is D
Explanation
The nurse should monitor the client for hypokalemia as an adverse effect of hydrochlorothiazide.
Hypokalemia refers to a low level of potassium in the blood.
Choice A is wrong because hypermagnesemia is not a commonly reported adverse effect of hydrochlorothiazide.
Choice B is wrong because hypernatremia is not a commonly reported adverse effect of hydrochlorothiazide.
Choice C is wrong because hypocalcemia is not a commonly reported adverse effect of hydrochlorothiazide.
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