A client who weighs 65 kg receives a prescription for lorazepam 44 mcg/kg intravenously to be administered 20 minutes before a scheduled procedure. The medication is available in 2 mg/mL vial. How many mL should the nurse administer? (Enter numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["1.4"]
Calculate the total dosage required: 44 mcg/kg * 65 kg = 2860 mcg. Convert mcg to mg: 2860 mcg ÷ 1000 = 2.86 mg.
Divide by concentration: 2.86 mg ÷ 2 mg/mL = 1.43 mL.
Considering the vial contains 2 mg/mL, the nurse should administer around 1.43 mL, which can be rounded to 1.4 mL.
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Naxlex Comprehensive Predictor Exams
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Correct Answer is D
Explanation
A) Incorrect - Initiating continuous dopamine infusion is not a priority in this situation. The client's low blood pressure and electrolyte imbalances require more immediate attention.
B) Incorrect - Administering promethazine addresses symptoms like nausea and vomiting, but it doesn't address the primary issue of hypovolemia and low blood pressure.
C) Incorrect - Administering potassium chloride without addressing the fluid deficit can be dangerous and may lead to further electrolyte imbalances.
D) Correct- The client's vital signs and laboratory results indicate hypovolemia (low blood pressure, low sodium, and low potassium). The immediate priority is to address the fluid deficit and correct the electrolyte imbalances. Administering a bolus of 0.9% sodium chloride (normal saline) will help increase intravascular volume and improve blood pressure, as well as correct the electrolyte imbalances to some extent.
Correct Answer is C
Explanation
A) Incorrect - Developing new screening protocols is important, but it doesn't directly indicate that the program has prevented diseases. Screening protocols might catch diseases but don't prevent them.
B) Incorrect - Clients receiving rehabilitation indicates they already had disease complications, which is not a primary prevention outcome.
C) Correct- An improvement in average client scores on risk factor knowledge tests suggests that the primary prevention program has successfully educated clients about behaviors and practices that can help prevent sexually transmitted diseases. This improvement indicates that clients have a better understanding of the risks and protective measures, which is a key indicator of program effectiveness.
D) Incorrect - Diagnosing clients early in their disease process is related to early detection (secondary prevention), not primary prevention.
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