A client receives a prescription for dextrose 5% in water 500 mL IV to be infused over 4 hours. The IV administration set delivers 15 gtt/mL. How many gtt/min should the nurse regulate the infusion? (Enter numerical value only. If rounding is required, round to the nearest whole number.)
The Correct Answer is ["31"]
To find out how many gtt/min the nurse should regulate the infusion;
We can use the following formula:
Flow rate (gtt/min) = Total volume (mL) / Time (min) × Drop factor (gtt/mL)
Given:
Total volume = 500 mL
Time = 4 hours = 240 minutes (since 1 hour = 60 minutes)
Drop factor = 15 gtt/mL
Substituting the given values into the formula:
Flow rate (gtt/min) =500 mL/240 min ×15 gtt/mL
After performing the calculation, we find that the flow rate equals 31.25 gtt/min.
So, the nurse should regulate the infusion to 31 gtt/min (rounded to the nearest whole number).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) Undergo annual eye examinations:
While methotrexate and adalimumab can both have potential ocular side effects, such as blurred vision or eye pain, the need for annual eye examinations is more commonly associated with methotrexate therapy. Methotrexate can cause ocular toxicity, including retinopathy and optic neuropathy, which necessitates regular monitoring by an ophthalmologist. However, adalimumab is not typically associated with annual eye examinations, so this instruction is not directly relevant to the addition of adalimumab to the client’s regimen.
B) Have a chest x-ray prior to your first dose:
A chest x-ray is not routinely required before initiating adalimumab therapy. While screening for tuberculosis (TB) may be necessary in clients starting adalimumab due to its immunosuppressive effects, a chest x-ray is not always indicated for this purpose. Instead, TB screening usually involves a thorough history, physical examination, and possibly tuberculin skin testing or interferon-gamma release assays. Therefore, this instruction is not specifically related to the addition of adalimumab to the client’s treatment regimen.
C) Avoid crowds and people who are sick:
Adalimumab is a biologic disease-modifying antirheumatic drug (DMARD) that suppresses the immune system’s inflammatory response by targeting tumor necrosis factor-alpha (TNF-alpha). As a result, clients taking adalimumab are at increased risk of infections, including bacterial, viral, and fungal infections. Therefore, instructing the client to avoid crowds and individuals who are sick helps reduce the risk of exposure to infectious pathogens and minimize the likelihood of developing infections while on adalimumab therapy.
D) Obtain routine vaccinations as scheduled:
While maintaining up-to-date vaccinations is important for overall health and immunity, clients receiving biologic DMARDs like adalimumab may have a reduced response to vaccines due to immunosuppression. Therefore, it is generally recommended to administer necessary vaccinations before starting adalimumab therapy whenever possible. However, the decision to administer vaccines should be individualized, and certain live vaccines may be contraindicated while receiving adalimumab. Nonetheless, this instruction is not directly related to the addition of adalimumab to the client’s medication regimen.
Correct Answer is ["200"]
Explanation
The nurse should program the infusion pump to deliver 200 mL/hr.
Although the medication dosage is 400 mg, the infusion pump rate is determined by the total volume of the IV fluid (including the medication) and the desired infusion time.
In this case:
Total volume of IV bag (D,W): 200 mL
Infusion time: 1 hour
Since the medication is already diluted in the 200 mL bag, the entire volume needs to be delivered over the course of the hour. Therefore, the nurse should program the pump to deliver the full 200 mL of the solution at a rate of:
200 mL / 1 hour = 200 mL/hr
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