If the nurse needs to administer a 2 mL injection what size syringe is most appropriate to use?
5 mL
1 mL
10 mL
3 Ml
The Correct Answer is A
A. A 5 mL syringe can hold up to 5 mL of fluid. It is suitable for administering 2 mL of medication, as it provides enough capacity with some additional space to ensure accurate measurement and prevent overfilling.
B. A 1 mL syringe is too small for administering a 2 mL injection. It would not accommodate the entire volume, and attempting to draw and administer 2 mL with a 1 mL syringe could result in spillage or inaccurate dosing.
C. A 10 mL syringe is larger than necessary for administering a 2 mL injection. While it can hold the required volume and more, it is bulkier and might be less convenient for administering smaller volumes like 2 mL.
D. A 3 mL syringe can also accommodate a 2 mL injection. However, a 5 mL syringe would provide a more appropriate capacity with a bit of extra space, which can be beneficial for accurate measurement and ease of administration.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. 0.9% sodium chloride (normal saline) is isotonic, meaning it has the same concentration of solutes as blood plasma. It is used to expand intravascular volume and replace fluids and electrolytes.
B. "Hypnotic" refers to medications that induce sleep and has no relevance to IV solutions. This term does not apply to IV solutions.
C. A hypotonic solution has a lower concentration of solutes compared to normal body fluids. Examples include 0.45% sodium chloride (half-normal saline) or 5% dextrose in water (D5W). 0.9% sodium chloride (normal saline) is not hypotonic; rather, it is isotonic.
D. A hypertonic solution has a higher concentration of solutes compared to normal body fluids. Examples include 3% sodium chloride or 5% dextrose in 0.9% sodium chloride. 0.9% sodium chloride (normal saline) is not hypertonic; rather, it is isotonic.
Correct Answer is B
Explanation
B. Subcutaneous injections are generally administered at a 45° or 90° angle, depending on the amount of subcutaneous tissue present. In obese clients, there is typically more subcutaneous tissue, so inserting the needle at a 90° angle may be necessary to ensure proper medication absorption.
A. A smaller gauge needle (such as 25 or 26 gauge) is usually more appropriate for subcutaneous injections to minimize discomfort and tissue trauma, especially in obese clients where there is more subcutaneous tissue.
C. Massaging the injection site after administering heparin is not recommended. It can cause discomfort, bruising, and potentially alter the absorption rate of the medication. The injection site should be gently
pressed with a dry gauze pad after withdrawal of the needle to help disperse the medication and prevent leakage, but massaging should be avoided.
D. Aspiration is not necessary for subcutaneous injections. It is generally used for intramuscular injections to ensure the needle is not in a blood vessel, which is less of a concern for subcutaneous injections. The injection technique involves pinching the skin and injecting the medication into the subcutaneous tissue without aspirating.
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