A medication vial contains a powdered drug labeled 'Add 2.0 mL of sterile water for injection to yield 500 mg/mL. How many milliliters should you administer to provide a dose of 250 mg?
1.0 mL
0.5 mL
1.5 mL
2.0 mL
The Correct Answer is B
Available Concentration: 500 mg/mL
Ordered Dose: 250 mg
- Calculate the volume to administer
Volume to administer = Ordered Dose ÷ Concentration
Volume to administer = 250 ÷ 500
Volume to administer = 0.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. By developing evidence-based strategies and educational materials: The Institute for Safe Medication Practices focuses on identifying causes of medication errors and sharing evidence-based recommendations to prevent them. Through alerts, guidelines, and education, it helps healthcare professionals improve medication safety practices.
B. By manufacturing medications: ISMP does not manufacture medications. Its role is centered on safety advocacy, research, and education rather than pharmaceutical production.
C. By providing direct patient care: ISMP does not deliver hands-on patient care. Instead, it supports clinicians and organizations by promoting safer systems and practices related to medication use.
D. By enforcing legal regulations: ISMP is not a regulatory or enforcement body. While its recommendations influence policy and practice, it does not have legal authority to enforce medication safety regulations.
Correct Answer is A
Explanation
A. Collaboration: Verifying medication orders with the pharmacy demonstrates effective collaboration. The nurse works with other healthcare professionals to ensure accuracy, prevent errors, and promote safe patient care.
B. Time management: While managing time efficiently is important, verifying orders with the pharmacy specifically reflects teamwork and communication, not primarily time management.
C. Patient education: Patient education involves teaching the patient about their medications, conditions, or procedures. Confirming orders with the pharmacy does not directly involve educating the patient.
D. Delegation: Delegation refers to assigning tasks to other qualified personnel. Verifying medication orders is the nurse’s responsibility and does not involve transferring tasks to someone else.
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