The physician orders Ampicillin 2 g in 250 mL of NS IVPB to infuse over 30 minutes. Tubing drop factor is 20 gtt/mL. Calculate the flow rate in drops per minute. (Round to the nearest whole number)
The Correct Answer is ["167"]
Use the formula to calculate flow rate in drops per minute:
Flow rate (gtt/min) = (Volume to be infused × Drop factor) ÷ Time (in minutes)
Substitute the values:
Flow rate = (250 mL × 20 gtt/mL) ÷ 30 min
Flow rate = 5000 ÷ 30
Flow rate ≈ 166.67
Round to the nearest whole number: 167 gtt/min
Final Answer: 167 gtt/min
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is C
Explanation
A. Kernig signis elicited by flexing the client's hip and knee, then straightening the leg. Pain or resistanceindicates meningeal irritation.
B. Nuchal rigidityrefers to stiffness of the neck, a classic sign of meningitis, but it does not involve reflexive leg movement.
C. Brudzinski’s signis positive when passive neck flexion causes involuntary flexion of the hips and knees. It is a classic indicator of meningeal irritation, such as in meningitis.
D. Bradykinesiarefers to slowness of movement, typically seen in Parkinson’s disease, not meningitis.
Correct Answer is D
Explanation
A. Alcohol should generally be avoided or limited significantly, as it can interfere with seizure control and interact with phenytoin.
B. Antacids can interfere with phenytoin absorption; patients are usually advised to space them out by at least 2 hours, not just 1 hour.
C. Phenytoin does not typically cause urine to turn orange; this is more common with medications like rifampin or phenazopyridine.
D. Phenytoin can cause gingival hyperplasia (gum overgrowth), so regular dental visits every 3 to 6 months are important to monitor and manage oral health.
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