A nurse is preparing to administer dextrose 5% in water 350 mL IV to infuse over 3 hr. The drop factor of the manual IV tubing is 10 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["19"]
Drip rate (gtt/min) = (Volume to be infused in mL × Drop factor) ÷ Time of infusion in minutes
Given:
Volume to be infused = 350 mL Drop factor = 10 gtt/mL
Time of infusion = 3 hours = 180 minutes
Plugging these values into the formula:
Drip rate = (350 mL × 10 gtt/mL) ÷ 180 min Drip rate ≈ (3500 gtt) ÷ 180 min
Drip rate ≈ 19.4 gtt/min
Rounding to the nearest whole number, the drip rate is approximately 19 gtt/min. Therefore, the nurse should set the manual IV infusion to deliver 19 gtt/min.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is D
Explanation
A. Treatment for active pulmonary tuberculosis typically lasts 6 to 9 months, not 3 years.
B. Monitoring kidney function is not typically required for tuberculosis medication; however, liver function tests may be needed.
C. Tuberculin skin tests are used for diagnosis, not for monitoring treatment progress.
D. Treatment of active pulmonary tuberculosis usually involves a combination of antibiotics, typically two or more medications, to prevent the development of drug-resistant strains.
Correct Answer is C
Explanation
A. Amphotericin B lipid complex naturally appears as an opaque, yellow to amber colored suspension. Discarding the medication because it is yellow is incorrect, as this is its expected normal appearance.
B. Amphotericin B lipid complex is highly incompatible with saline solutions and will precipitate if it comes into contact with them. The IV tubing must be primed and flushed strictly with 5% Dextrose in Water (D5W), not 0.9% sodium chloride.
C. The standard recommended administration protocol for amphotericin B lipid complex is to deliver the intravenous infusion at a rate of 2.5 mg/kg/hour, which typically translates to an overall infusion duration of approximately 2 hours.
D. To avoid accidental rapid infusion, which can induce severe adverse effects such as acute hypotension, cardiac arrhythmias, and cardiopulmonary arrest, amphotericin B must always be regulated by an electronic infusion pump rather than a manual gravity flow set.
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