A nurse is preparing to administer dopamine hydrochloride 4 mcg/kg/min via continuous infusion.
Available is dopamine hydrochloride in a solution of 800 mg in a 250 mL bag.
The client weighs 80 kg. The nurse should set the IV infusion to deliver how many mL/hr? (Round the answer to the nearest whole number.
Use a leading zero if it applies.)
4 mL/hr.
5 mL/hr.
6 mL/hr.
7 mL/hr.
The Correct Answer is C
Step 1: Convert the dopamine hydrochloride dose from mcg to mg. We know that 1 mg = 1000 mcg. So, 4 mcg = 0.004 mg.
Step 2: Calculate the total amount of dopamine hydrochloride the client needs per minute. We know that the client weighs 80 kg and the dose is 0.004 mg/kg/min. So, 0.004 mg/kg/min × 80 kg = 0.32 mg/min.
Step 3: Convert the total amount of dopamine hydrochloride the client needs per minute to an hourly rate. We know that 1 hour = 60 minutes. So, 0.32 mg/min × 60 min/hr = 19.2 mg/hr.
Step 4: Calculate the volume of the solution that contains 19.2 mg of dopamine hydrochloride. We know that the solution contains 800 mg in 250 mL. So, (19.2 mg ÷ 800 mg) × 250 mL = 6 mL.
Therefore, the nurse should set the IV infusion to deliver 6 mL/hr (rounded to the nearest whole number).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Including any adverse effects of the medications the client might develop is important but does not cover the entire scope of medication reconciliation. It is essential to compare new prescriptions with the list of current medications to prevent drug interactions, duplications, or omissions.
Choice B rationale:
Comparing new prescriptions with the list of medications the client reports is the correct approach to medication reconciliation. This helps identify discrepancies, ensuring that the client's current medications are accurately documented and preventing medication errors.
Choice C rationale:
Excluding nutritional supplements from the list of medications the client reports is incorrect. Nutritional supplements, herbal remedies, and over-the-counter medications are essential components of the medication list. These items can interact with prescribed medications and affect the client's overall health.
Choice D rationale:
Encouraging the client to make his own list after he returns home is not recommended. Patients might not have complete knowledge of the medications they are taking, including dosages and frequencies. Relying solely on the patient-generated list can lead to inaccuracies and potential harm.
Correct Answer is D
Explanation
Choice A rationale:
Borderline personality disorder is characterized by impulsivity, unstable relationships, and mood swings. While individuals with this disorder may have concerns about details, it is not the primary characteristic of the disorder. The impulsivity exhibited by these clients is a more prominent feature.
Choice B rationale:
While individuals with borderline personality disorder may struggle with interpersonal relationships and may sometimes display seductive behavior, this is not a defining characteristic of the disorder. The primary concern lies in their impulsivity and emotional instability.
Choice C rationale:
Clinginess can be a feature of borderline personality disorder, but it is not the defining characteristic. The disorder is more accurately characterized by a pervasive pattern of instability in interpersonal relationships, self-image, and affects, marked impulsivity that begins by early adulthood and is present in various contexts.
Choice D rationale:
Borderline personality disorder is indeed marked by impulsive behavior, one of the key diagnostic criteria according to the DSM-5 (Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition). This impulsivity often leads to self-damaging behaviors, such as reckless driving, substance abuse, and unsafe sex. Including this information in the in-service is crucial for an accurate understanding of the disorder.
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