The healthcare provider prescribes 500 mL of 0.45% normal saline with 100 units regular insulin to infuse at 15 units/hour. The drop factor is 20 gtt/mL. The nurse should regulate the IV to deliver how many gtt/minute? (Enter numerical value only.)
The Correct Answer is ["25"]
Calculation:
- Determine the concentration of insulin in the solution.
Total units of insulin = 100 units
Total volume of solution = 500 mL
Concentration = 100 units / 500 mL = 0.2 units/mL.
- Calculate the infusion rate in milliliters per hour (mL/hr) based on the prescribed insulin units/hour.
Desired insulin rate = 15 units/hour
Infusion rate (mL/hr) = Desired insulin rate (units/hr) / Concentration (units/mL)
= 15 units/hour / 0.2 units/mL
= 75 mL/hour.
- Convert the infusion rate from milliliters per hour (mL/hr) to milliliters per minute (mL/min).
Infusion rate in mL/min = 75 mL/hr / 60 min/hr
= 1.25 mL/min.
- Calculate the flow rate in drops per minute (gtt/min).
Drop factor = 20 gtt/mL.
Flow rate (gtt/min) = Infusion rate (mL/min) × Drop factor (gtt/mL)
= 1.25 mL/min × 20 gtt/mL
= 25 gtt/min.
Answer: 25
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["C","D","E"]
Explanation
Rationale:
A. The client should be monitored closely for persistent nausea or vomiting: While relevant, this is a nursing action and not critical SBAR content unless complications arise. It's not essential in a handoff unless persistent or severe.
B. A large number of family members are in the surgical waiting area: This is not directly relevant to the client’s clinical condition or care priorities, and does not belong in an SBAR handoff unless family poses an immediate concern.
C. A patient controlled analgesic (PCA) pump is prescribed and needs to be started as soon as possible: This is critical treatment information for continuity of pain management and should be communicated clearly during the SBAR handoff.
D. Surgical dressing is clean, dry, and intact and neurovascular status is within normal limits: Postoperative wound and neurovascular assessment findings are essential for monitoring surgical outcomes and early complications.
E. Client history includes heart failure and aphasia from a previous stroke: Medical history directly influences postoperative care decisions and risk for complications; it must be included in the background section of SBAR.
Correct Answer is A
Explanation
Rationale:
A. Decrease consumption of red meat and most seafood: These foods are high in purines, which are metabolized into uric acid. Reducing purine intake helps lower uric acid levels, minimizing the frequency and severity of gout flares.
B. Support joints in an extended position while resting: Keeping joints in an extended position may worsen discomfort and inflammation. During acute attacks, joints should be rested in a slightly flexed, supported position to relieve pressure.
C. Massage joints to relax muscles and decrease pain: Massage of an inflamed joint during a gout attack can increase pain and inflammation. The affected area is usually extremely sensitive and should be protected, not manipulated.
D. Replace dietary table salt with salt substitutes: Salt substitutes often contain potassium, which can interact with medications like NSAIDs or ACE inhibitors. This recommendation is unrelated to gout management.
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