The patient/client is to receive Lovenox 40 mg subcutaneously daily. The medication is available as lovenox 40mg/1 mL. Which syringe should the nurse use to administer the medication?
1mL
3 ml
insulin U-50
insulin U-100
The Correct Answer is A
A. 1mL: A 1-mL syringe (often a Tuberculin or TB syringe) is calibrated in hundredths of a milliliter (0.01 mL), offering the highest precision for small-volume doses like 1ml or less. This precision is essential for anticoagulants like Lovenox.
B. 3 mL: A 3-mL syringe is calibrated in tenths of a milliliter (0.1ml). While it can hold 1 mL, it is less accurate than a 1-mL syringe, making it an inferior choice for a medication requiring high precision.
C. insulin U-50: Insulin syringes are calibrated in Units and are only for insulin administration. They are not used for Lovenox unless a highly specific, facility-approved protocol and conversion chart is used (which is rare).
D. insulin U-100: Similar to the U-50, this syringe is only for insulin and is not appropriate for Lovenox measured in milliliters.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","D","E"]
Explanation
A. Use the Z-track method only in the deltoid site:The Z-track method is most often used in the large muscles of the buttock (ventrogluteal) or the thigh (vastus lateralis), not the small deltoid muscle, which can only safely accommodate small volumes.
B. Quickly remove the needle after injecting the medication:After injecting the medication, the needle should be removed quickly and smoothly, and the skin released to allow the muscle layers to slide back over the injection track, effectively sealing the medication within the muscle.
C. Allow the skin to return to its original position slowly while removing the needle:The skin is laterally displaced (pulled) before insertion.It should be held taut until after the needle is removed and the dose is delivered. Releasing it slowly while removing the needle would allow the drug to escape.
D. Do not massage the injection site:Massaging the site is contraindicated as it could force the medication out of the muscle, allowing it to leak into the subcutaneous tissue and negate the benefit of the Z-track seal.
E. Insert the needle at 90 degrees and inject the medication:The Z-track method is for deep intramuscular (IM) injections, which are administered at a 90-degree angle to ensure the medication reaches the muscle tissue.
F. Pinch the skin of the injection site to raise the site:The skin should be pulled or displaced laterally (tautly) rather than pinched, to create the "Z" or zigzag path that locks the medication in place.5Pinching is used for subcutaneous injections.
Correct Answer is ["1140"]
Explanation
First, convert all household/US Customary units to milliliters (mL) using the following standard conversions:
- 1 oz = 30 mL
- 1 cup = 240 mL
- Clear Soda:4 oz × 30 mL/oz = 120 mL
- Toast:0 mL(Solid food is not counted as fluid intake for I&O)
- Water:12 oz × 30 mL/oz = 360 mL
- Fruit-flavored Gelatin:1 cup ×× 240 mL/cup = 240 mL (Gelatin melts at body temperature and is counted as fluid intake)
- Chicken Broth:1/2 cup × 240 mL/cup = 120 mL
- IV Fluid (0.9% Sodium Chloride):300 mL
Total Intake (mL) = (120 mL) + (0 mL) + (360 mL) + (240 mL) + (120 mL) + (300 mL)
Total Intake (mL) = 1,140 mL
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