A patient is prescribed 60 mg of a medication. The available dose is 30 mg/tablet. How many tablets should the nurse give?
1 tablet
2 tablets
3 tablets
4 tablets
The Correct Answer is B
Calculation:
Ordered Dose: 60 mg
Available Tablet Strength: 30 mg/tablet
- Calculate the number of tablets
Number of Tablets = Dose ÷ Tablet Strength
Number of Tablets = 60 ÷ 30
Number of Tablets = 2 tablets
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. 18 gauge, 1 1/2 inch: An 18-gauge needle is very large and long, typically used for rapid fluid administration or blood transfusions. Using this size for an intradermal injection would cause significant tissue trauma and pain.
B. 21 gauge, 1 inch: A 21-gauge, 1-inch needle is commonly used for intramuscular injections. It is too thick and too long for placement within the dermal layer, increasing the risk of incorrect administration.
C. 26–27 gauge, 1/2 inch: Intradermal injections require a very fine, short needle to deposit medication just beneath the epidermis. A 26–27 gauge needle with a 1/2-inch length allows precise placement and minimizes tissue damage.
D. 23–25 gauge, 5/8 inch: This needle size is more appropriate for subcutaneous injections. It is longer and thicker than needed for intradermal administration and may penetrate too deeply into subcutaneous tissue.
Correct Answer is C
Explanation
Calculation:
Ordered Dose: 40 mg
Available Concentration: 10 mg/mL
- Set up dimensional analysis
Formula: Volume to administer = (Ordered Dose × Conversion Factor)
Conversion Factor = 1 mL ÷ 10 mg
- Perform the calculation
Volume to administer = 40 × (1 ÷ 10)
Volume to administer = 4 mL
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