A client is receiving a secondary IV infusion of azithromycin 500 mg in 500 mL of normal saline (NS) to be infused over 2 hours. The IV administration set delivers 20 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 ["83"]
Rationale:
Total volume to be infused = 500 mL.
Infusion time in minutes = 2 hours × 60 minutes/hour
= 120 minutes.
Drop factor of the IV administration set = 20 gtt/mL.
- Calculate the flow rate in drops per minute (gtt/min).
Flow rate (gtt/min) = (Total volume (mL) × Drop factor (gtt/mL)) / Infusion time (min)
= (500 mL × 20 gtt/mL) / 120 min
= 10000 / 120 gtt/min
= 83.333... gtt/min.
- Round the answer to the nearest whole number.
= 83 gtt/min
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Ask family members to remain with the client in the evenings from 1700 to 2100: While family presence can offer comfort, it is not always feasible and doesn’t directly address the environmental management needed for sundowning behaviors.
B. Administer a prescribed PRN benzodiazepine at the onset of a confused state: Though medications may help in acute cases, routine pharmacologic management is not the first-line intervention due to risks like oversedation and increased fall risk in older adults.
C. Postpone administration of nighttime medications until after 2300: Delaying medications may interfere with sleep hygiene and the efficacy of routine medications that aid in rest or symptom management.
D. Ensure that the client is assigned to a room close to the nurses' station: Proximity to staff allows for more frequent monitoring and faster intervention during episodes of confusion, helping prevent injury and manage behaviors associated with sundowning.
Correct Answer is A
Explanation
A. Heart rate 100 beats/minute: A compensatory increase in heart rate (tachycardia) is expected in orthostatic hypotension. It helps maintain cerebral perfusion when blood pools in the lower extremities after standing quickly.
B. Blood pressure 125/65 mm Hg: This BP shows a slight systolic increase, which is not typical after orthostatic stress. A decrease in BP, not an increase, would be expected if symptoms like dizziness are present.
C. Heart rate 70 beats/minute: A decreased heart rate is not physiologically expected when someone experiences postural hypotension. Bradycardia would worsen cerebral perfusion and is inconsistent with dizziness.
D. Blood pressure 115/70 mm Hg: This change is too minor to explain dizziness. In orthostatic hypotension, we usually expect a drop of ≥20 mm Hg systolic or ≥10 mm Hg diastolic after position change.
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