A nurse is preparing to administer lidocaine 50 mg IV bolus.
Available is lidocaine 200 mg/mL. How many mL should the nurse administer per dose? rounded off to the nearest hundredth
0.3 mL.
0.25 mL.
0.4 mL.
0.15 mL.
The Correct Answer is B
Step 1: Identify the amount of lidocaine required, which is 50 mg.
Step 2: Identify the concentration of available lidocaine, which is 200 mg/mL.
Step 3: Calculate the volume of lidocaine to be administered using the formula:
Volume (mL) = Amount (mg) ÷ Concentration (mg/mL)
So, the calculation is:
Volume (mL) = 50 mg ÷ 200 mg/mL = 0.25 mL
Therefore, the nurse should administer 0.25 mL of lidocaine per dose. This is the final answer and it is rounded off to the nearest hundredth as required.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Assessment Assessment is the first step of the nursing process, where the nurse collects data about the patient's condition. While this step is crucial for understanding the patient's needs, it does not involve formulating goals for a positive outcome. Therefore, it is not the correct choice in this context.
Choice B rationale:
Planning Planning is the step of the nursing process where the nurse formulates goals and develops a care plan to achieve those goals. This includes setting objectives for the patient's care and determining the best course of action. In this case, the nurse is formulating goals for a positive outcome, making choice B the correct answer.
Choice C rationale:
Evaluation Evaluation is the step where the nurse assesses the patient's response to the care provided and determines whether the goals have been met. While important, it does not involve the initial formulation of goals, so it is not the correct choice for this question.
Choice D rationale:
Implementation Implementation involves carrying out the plan of care, putting the planned interventions into action. It doesn't focus on goal formulation, so it is not the correct answer in this context.
Correct Answer is B
Explanation
The correct answer is Choice B: A client who has a family history of breast cancer is scheduled for a mammogram.
Choice A rationale:
Receiving an influenza vaccination is an example of primary prevention, which aims to prevent the onset of disease.
Choice B rationale:
Scheduling a mammogram for a client with a family history of breast cancer is an example of secondary prevention. Secondary prevention involves the early detection and treatment of disease to reduce the impact of the disease. Mammograms help in the early detection of breast cancer, which can significantly improve treatment outcomes.
Choice C rationale:
Not scheduling tests for an asymptomatic client does not relate to secondary prevention. Secondary prevention involves screening and early detection of diseases in at-risk populations.
Choice D rationale:
Scheduling an echocardiogram for a client with heart failure is an example of tertiary prevention. Tertiary prevention aims to reduce the impact of an ongoing illness or injury that has lasting effects by helping patients manage long-term, complex health problems.
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