The physician orders azithromycin 500 mg in 250 mL of D5W IVPB to be infused over 1.5 hours. Tubing drop factor is 15 gtt/mL Calculate the flow rate in drops per minute.
The Correct Answer is ["42"]
Calculation:
Total volume to be infused = 250 mL.
- Identify the infusion time and convert it to minutes.
Infusion time = 1.5 hours
Infusion time in minutes = 1.5 hours × 60 minutes/hour
= 90 minutes..
Drop factor = 15 gtt/mL.
- Calculate the flow rate in milliliters per minute (mL/minute).
Flow rate (mL/minute) = Total volume (mL) / Infusion time (minutes)
= 250 mL / 90 minutes
= 2.7777 mL/minute.
- Calculate the flow rate in drops per minute (gtt/minute).
Flow rate (gtt/minute) = Flow rate (mL/minute) × Drop factor (gtt/mL)
= 2.7777 mL/minute × 15 gtt/mL
= 41.6666 gtt/minute.
- Round the answer to the nearest whole number.
= 42 gtt/minute.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2450"]
Explanation
Calculation:
- Jevity at 50 mL/hr from 2000 to 0600 (10 hours):
50 mL/hr × 10 hr = 500 mL
- Free water flush at 0615:
= 50 mL
- Red blood cells (2 units of 250 mL) from 2100–0215:
250 mL × 2 = 500 mL
- IV saline flushes:
0115: 20 mL
0400: 10 mL
Total = 30 mL
- Zosyn IV at 0300:
= 50 mL
- Continuous fluids:
Heparin: 10 mL/hr × 12 hr = 120 mL
Normal Saline: 100 mL/hr × 12 hr = 1,200 mL
Total = 1,320 mL
Total Intake Calculation:
- Jevity: 500 mL
- Water flush: 50 mL
- RBCs: 500 mL
- Saline flushes: 30 mL
- Zosyn: 50 mL
- Continuous fluids: 1,320 mL
Total intake = 500 + 50 + 500 + 30 + 50 + 1,320 = 2,450 mL
Final Answer: 2,450 mL intake from 7 p.m. to 7 a.m.
Correct Answer is B
Explanation
A. "I have cared for patients who were able to have the tracheostomy reversed. While this may offer hope, it shifts the focus to long-term outcomes rather than addressing the patient's current emotional state. Not all tracheostomies are reversible, and offering this reassurance prematurely may set unrealistic expectations.
B. “I understand that you might be apprehensive." This statement acknowledges the patient's anxiety and fosters trust. Demonstrating empathy helps reduce emotional distress, encourages open communication, and supports emotional adaptation to the tracheostomy.
C. “I will be efficient and give care quickly." Although efficiency is important, this response may come off as dismissive of the patient's emotional needs. It prioritizes task completion over patient-centered care and fails to address the underlying anxiety.
D. "I will wait until your tracheostomy heals before teaching." Teaching should begin early, even in small steps, to help the patient gradually understand and adapt to tracheostomy care. Delaying education may increase fear, uncertainty, and dependence on others for care.
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