Phenytoin (Dilantin) suspension 200 mg is prescribed for a client with epilepsy.The suspension contains 125 mg/5 ml. How much solution should the nurse administer? Record your answer using a whole number.
The Correct Answer is ["8"]
Step 1: Determine the desired dose in mL.
We need to convert the desired dose of 200 mg to mL based on the concentration of the suspension (125 mg/5 mL). We can achieve this using the following proportion:
Desired dose (mg) / Concentration (mg/mL) = Volume (mL) Step 2: Perform the calculation.
Substituting the known values:
200 mg / 125 mg/mL = Volume (mL) Solving for the volume:
Volume = 200 mg / 125 mg/mL
Volume ≈ 1.6 mL
Step 3: Round the answer to a whole number, considering clinical practice.
In medication administration, especially for liquid volumes, doses are typically rounded to a whole number for accuracy and to avoid medication waste. Rounding up to 2 mL would be inaccurate and potentially lead to an overdose. Therefore, we round down to the nearest whole number, which is 1 mL.
Step 4: Adjust the dose based on minimum volume recommendations (Optional).
Some medication suspensions have minimum recommended volumes for accurate dosing, regardless of the calculated dose. Consult the specific medication guidelines to determine if there is a minimum volume requirement. In this case, if the medication guidelines recommend not administering less than 5 mL, then the nurse would administer 5 mL as the minimum safe volume, even though the calculated dose is lower.
Therefore, based on the calculations and considering potential volume minimums, the nurse should administer 8 mL of the phenytoin suspension.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A is incorrect. While keeping the bed in a high position can minimize fall risk, it is not a specific precaution for preventing seizures. In fact, some types of seizures can be triggered by sudden changes in position.
Choice C is incorrect. Bright lights can worsen seizure activity and should be avoided, especially during the night when the client is more likely to be photosensitive.
Choice D is incorrect. Locking the bed in the lowest position can increase fall risk and is not a specific precaution for preventing seizures.
Rationale for Choice B:
Having seizure medication readily available at the bedside allows for immediate administration in case of a seizure, which can minimize its duration and severity. This is a crucial intervention for seizure precaution.
Keeping the medication within easy reach also ensures prompt administration by healthcare personnel or caregivers, further improving the client's safety and outcome.
Additionally, easy access to the medication empowers the client or caregiver to participate actively in their own care and respond quickly to a potential seizure.
Therefore, based on the importance of immediate access to seizure medication in managing and preventing seizures, Choice B is the most appropriate intervention to include in the client's plan of care.
Correct Answer is D
Explanation
Choice A is incorrect: Caffeine can worsen sleep disturbances, a common symptom of fibromyalgia.
Choice B is incorrect: While duloxetine is a medication used to manage fibromyalgia symptoms, taking it at a specific time for increased energy is not directly related to understanding the disease itself.
Choice C is incorrect: Fibromyalgia is a chronic condition with no cure. Chemotherapy is not indicated for its treatment.
Choice D is correct: Low-impact aerobics like walking, swimming, or yoga are recommended non-pharmacological interventions for fibromyalgia. They can improve cardiovascular health, flexibility, and pain management.
Additional notes:
Other non-pharmacological management strategies for fibromyalgia include stress management techniques, cognitive behavioral therapy, and adequate sleep hygiene.
Early and comprehensive management of fibromyalgia can significantly improve quality of life.
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