The nurse is teaching a student nurse how to draw medications into a syringe. Into what part of the syringe would the medications be drawn?
Needle
Plunger
Barrel
Tip
The Correct Answer is C
A. Needle: The needle is the hollow, sharp metal part that pierces the skin or vial stopper. It draws fluid into the syringe, but the needle itself does not hold the medication.
B. Plunger: The plunger is the interior rod that is pushed or pulled to move the fluid. It creates the pressure differential, but the plunger itself does not hold the medication.
C. Barrel: The barrel is the hollow, cylindrical part of the syringe that is marked with measurement calibrations (mL, units, etc.) and is the chamber where the medication is held.
D. Tip: The tip is the end of the barrel where the needle is attached. While fluid passes through the tip, it is not the main storage compartment for the medication.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Why don't you want to take the medication?Asking "Why" can sound accusatory or judgmental, often putting the client on the defensive. Therapeutic communication encourages open discussion rather than demanding justification.
B. You won't get better unless you take the medication:This response is judgmental, uses scare tactics, and disregards the client's autonomy and right to refuse treatment. It fails to explore the underlying reason for the refusal.
C. Tell me more about this decision:This response uses the therapeutic technique of open-ended questions/exploring, which encourages the client to discuss their concerns, fears, or reasons for refusal (e.g., side effects, cost, or perceived lack of need). This is the necessary first step in patient education and advocacy.
D. always do what the doctor tells me to do?This response is inappropriate, non-therapeutic, and shifts the focus to the nurse's personal practice instead of addressing the client's issue. It also promotes blind obedience rather than informed decision-making.
Correct Answer is D
Explanation
The ordered dose is 3 mg IM, and the concentration is 2 mg/mL. Volume needed = 3 mg ÷ 2 mg/mL = 1.5 mL.
A. Insulin U-50:Insulin syringes are used exclusively for insulin and are calibrated in Units, not milliliters. A U-50 syringe holds 50 units (0.5 mL) and is unsuitable for a non-insulin dose measured in milliliters.
B. 1-ml precision:A 1-mL precision syringe (often a Tuberculin/TB syringe) is calibrated in hundredths of a milliliter (0.01 mL), making it ideal for doses less than 1 mL or for pediatric doses requiring high accuracy. However, since the calculated dose is 1.5 mL, this syringe would be too small and require drawing up the dose twice, which is poor practice and can compromise accuracy.
C. Insulin U-100:Insulin syringes are used exclusively for insulin and are calibrated in Units. A U-100 syringe holds 100 units (1.0 mL) and is unsuitable for a non-insulin dose measured in milliliters, and is also too small for the 1.5 mL volume.
D. 3 ml:A 3-mL syringe is the standard size for most intramuscular (IM) injections and is calibrated in tenths of a milliliter (0.1 mL). It can easily hold the required 1.5 mL dose, making it the most appropriate and safest choice for accurate administration.
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