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
Recapping needles increases the risk of needlestick injuries. Needles used for arterial blood gas (ABG) specimens should never be recapped because this action significantly increases the likelihood of accidental puncture wounds.
B. Recapping needles can lead to accidental needlesticks, so it's safer to avoid this practice. Instead, needles should be immediately disposed of in a puncture-proof sharps container.
CA Recapping needles is strongly discouraged because it increases the risk of needlestick injuries. Placing needles in a regular wastebasket does not provide adequate protection from needlestick injuries and is not in line with safe disposal practices.
D. Breaking needles is hazardous and increases the risk of needlestick injuries. Needles should never be manipulated or broken before disposal. They should be placed intact in a sharps disposal container to prevent accidental exposure.
Correct Answer is B
Explanation
B. This range represents the normal serum magnesium level. It is important for maintaining neuromuscular function and other vital processes in the body.
A. This range is too low for normal serum magnesium levels. Magnesium levels below this range can indicate hypomagnesemia, which can lead to symptoms such as muscle cramps, tremors, and cardiac arrhythmias.
C. This range is too high for normal serum magnesium levels. Elevated magnesium levels (hypermagnesemia) can occur in conditions such as renal failure or excessive magnesium intake, leading to symptoms like weakness, decreased reflexes, and in severe cases, cardiac arrest.
D. While this range is broader and includes the correct normal range (1.3-2.1 mEq/L), it also includes values that are below and above normal. Values below 1.3 mEq/L can indicate hypomagnesemia, while values above 2.1 mEq/L can indicate hypermagnesemia.
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