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Which of the following syringes should be used to measure 60 units of insulin?

A.

tuberculin syringe

B.

U-100, 50 unit capacity insulin syringe

C.

U-100, 100 unit capacity insulin syringe

D.

standard syringe

Answer and Explanation

The Correct Answer is C

A. tuberculin syringe: Tuberculin syringes are calibrated in milliliters (typically 1 mL total) and not in insulin units. Using them for insulin risks serious dosing errors due to miscalculation or misreading.

B. U-100, 50 unit capacity insulin syringe: This syringe only holds up to 50 units of insulin. Since the ordered dose is 60 units, this syringe is not large enough and should not be used for this administration.

C. U-100, 100 unit capacity insulin syringe: This is the correct syringe for giving 60 units of insulin. It is specifically calibrated for insulin dosing and can measure up to 100 units accurately and safely.

D. standard syringe: Standard syringes are usually marked in milliliters, not insulin units. Using them for insulin administration increases the risk of dosing errors and is not recommended for safety reasons.


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Related Questions

Correct Answer is B

Explanation

To convert pounds (lb) to kilograms (kg), use the conversion factor of 2.2 lb/kg

  • Divide the weight in pounds by the conversion factor.

Weight in kg = 150 lb / 2.2 lb/kg

= 68.1818 kg.

  • Round the answer to the nearest whole number.

= 68 kg.

Correct Answer is D

Explanation

A. Coumadin 10 mg scored tablets: A 10 mg tablet exceeds the ordered dose of 7.5 mg. Although it's scored, splitting it in a way that gives exactly 7.5 mg would be imprecise and not ideal for accurate dosing.

B. Coumadin 1 mg scored tablets: While these allow precise dosing, it would require administering multiple tablets (e.g., seven 1 mg tablets and one half), which increases pill burden and potential for error.

C. Coumadin injection 5 mg/vial: The prescribed route is oral (PO), not parenteral. Using an injection would not comply with the prescribed route of administration.

D. Coumadin 5 mg scored tablets: The 5 mg scored tablet can be used to administer one whole 5 mg tablet and one-half tablet (2.5 mg), totaling 7.5 mg. This provides an accurate and convenient way to deliver the dose.

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