A nurse is teaching a client who has a new prescription for cromolyn. Which of the following information should the nurse include in the teaching?
"Cromolyn will assist with dilating the bronchioles in your lungs."
"Cromolyn should take effect within 5 minutes."
"Cromolyn should be administered 1 hour after exercising."
"Cromolyn is used to prevent your condition from occurring."
The Correct Answer is D
A. "Cromolyn will assist with dilating the bronchioles in your lungs.": Cromolyn is not a bronchodilator and does not relax airway smooth muscles. Its primary action is to stabilize mast cells and prevent the release of inflammatory mediators.
B. "Cromolyn should take effect within 5 minutes.": Cromolyn works as a preventive medication and requires consistent use over time. It does not provide rapid relief of acute bronchospasm or asthma attacks.
C. "Cromolyn should be administered 1 hour after exercising.": For exercise-induced asthma, cromolyn should be administered 10–15 minutes before exercising, not after, to prevent symptoms. Timing is important for prophylactic effectiveness.
D. "Cromolyn is used to prevent your condition from occurring.": Cromolyn is a mast cell stabilizer used as a preventive therapy to reduce inflammation and prevent asthma attacks. It is most effective when taken regularly or before known triggers.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Request that an assistive personnel obtain the medication: Controlled substances like morphine must be handled and administered by a licensed nurse. Delegating this task to assistive personnel violates safe medication administration regulations.
B. Verify the dosage of the medication with the provider: The dosage is typically verified against the provider’s order and the medication administration record rather than contacting the provider each time, unless there is a discrepancy or unusual dose.
C. Record the client's temperature before administering the medication: Morphine administration does not require a temperature check. Assessment should focus on pain level, respiratory rate, blood pressure, and level of consciousness to ensure safe administration.
D. Document obtaining the medication from the locked location: Controlled substances must be securely stored, and accurate documentation of removal from the locked medication location is essential for accountability, legal compliance, and prevention of diversion.
Correct Answer is ["60"]
Explanation
Calculation:
- Determine the concentration of the available solution in mg/mL.
Total drug amount: 2g
Total volume: 500mL
- Convert grams (g) to milligrams (mg): 2g × 1000mg/g
= 2000mg
Available concentration (mg/mL) = 2000mg/500mL
= 4mg/mL.
- Calculate the infusion rate in milliliters per minute (mL/min).
Desired rate: 4mg/min
Available concentration: 4mg/mL
Rate (mL/min) = Desired rate (mg/min) / Available concentration (mg/mL)
= 4mg/min/4mg/mL
= 1mL/min.
- Convert the rate from milliliters per minute (mL/min) to milliliters per hour (mL/hr).
Rate (mL/hr) = Rate (mL/min) ×60min/hr
= 1mL/min×60min/hr
= 60mL/hr.
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