A nurse is preparing to administer Lactated Ringer's 1000 mL IV to infuse over 6 hours. The drop factor of the manual IV tubing is 10 gtt/mL. What is the flow rate in gtt/min? (Round to the nearest whole number & fill in the blank with the numerical value only)
The Correct Answer is ["28"]
Total volume to be infused = 1000 mL
Infusion time in hours = 6 hours
Minutes per hour = 60 minutes/hour
Total infusion time in minutes = 6 hours × 60 minutes/hour = 360 minutes
Drop factor = 10 gtt/mL
- Calculate the flow rate in drops per minute (gtt/min):
Flow rate (gtt/min) = (Total volume (mL) × Drop factor (gtt/mL)) / Total infusion time (minutes)
= (1000 mL × 10 gtt/mL) / 360 minutes
= 10000 gtt / 360 minutes
= 27.777... gtt/min
- Round to the nearest whole number:
= 28 gtt/min
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is C
Explanation
A. Advise the patient to continue using the nasal decongestant but reduce the frequency to once daily: Continued use, even at a reduced frequency, may not resolve the underlying issue. Prolonged use of topical nasal decongestants can lead to rebound congestion (rhinitis medicamentosa), which won't improve without discontinuation.
B. Suggest increasing the dosage of the current nasal decongestant to manage congestion: Increasing the dosage worsens rebound congestion and the dependence cycle. Higher doses can also raise the risk of systemic side effects such as elevated blood pressure or tachycardia.
C. Educate the patient on discontinuing the nasal decongestant and recommend a saline nasal spray for symptom relief: This is the most appropriate intervention. Rebound congestion is best managed by stopping the decongestant. Saline sprays help moisturize nasal passages and reduce symptoms safely during withdrawal.
D. Prescribe a stronger nasal decongestant to alleviate symptoms more effectively: A stronger formulation would likely exacerbate the problem. The key to managing rhinitis medicamentosa is breaking the cycle of decongestant overuse, not intensifying it.
Correct Answer is D
Explanation
A. Donepezil cures Alzheimer's disease: There is currently no cure for Alzheimer's disease. Donepezil does not halt or reverse the disease process; it only manages symptoms for a limited period in some patients.
B. Donepezil prevents the progression of Alzheimer’s disease: Donepezil does not prevent the neurodegenerative progression of Alzheimer’s. The disease will continue to advance despite treatment, although symptoms may be temporarily improved.
C. Donepezil reverses Alzheimer’s disease: Alzheimer's-related brain damage is irreversible, and Donepezil cannot regenerate lost neurons or restore lost function. It may slightly improve cognitive function but cannot reverse the disease process.
D. Donepezil provides symptom relief for Alzheimer’s disease: Donepezil is a cholinesterase inhibitor that increases acetylcholine levels in the brain, temporarily improving cognitive symptoms like memory and awareness. It is approved for symptom management, especially in mild to moderate stages.
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