Microdrop tubing has which of the following drop factors?

10 gtts/mL

15 gtts/mL

60 gtts/mL

20 gtts/mL

Answer and Explanation

The Correct Answer is C

Choice A reason: A drop factor of 10 gtts/mL is typical for macrodrip tubing, used for rapid fluid administration in adults. It delivers larger drops, requiring fewer drops per milliliter, unsuitable for microdrop tubing, which is designed for precise, smaller-volume infusions, such as in pediatrics or critical care settings.
Choice B reason: A drop factor of 15 gtts/mL is also associated with macrodrip tubing, used for standard IV infusions in adults. It delivers larger drops than microdrop tubing, making it inappropriate for situations requiring precise control of small fluid volumes, such as in neonatal or critical care scenarios.
Choice C reason: Microdrop tubing has a drop factor of 60 gtts/mL, delivering smaller drops for precise fluid administration. This is critical in pediatrics or when administering small volumes of medication, ensuring accurate dosing and minimizing fluid overload risks in sensitive populations.
Choice D reason: A drop factor of 20 gtts/mL is used in some macrodrip sets, not microdrop tubing. It is designed for general adult infusions, delivering larger drops than microdrop tubing, which is unsuitable for precise, low-volume fluid administration required in specialized settings like pediatrics.

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Correct Answer is B

Explanation

Choice A reason: Beginning the infusion before confirming placement risks complications, as the catheter may be misplaced in an artery or tissue, causing emboli or tissue damage. X-ray confirmation ensures safe administration through the central line.
Choice B reason: An x-ray confirms the central venous catheter’s tip is correctly positioned in the superior vena cava, preventing complications like pneumothorax, arterial puncture, or infusion into tissues, which could lead to serious adverse effects.
Choice C reason: Checking medication calculations is unrelated to catheter placement. Ensuring proper placement via x-ray is critical to prevent infusion errors, such as delivering medication into an incorrect vessel or tissue space.
Choice D reason: Verifying solution compatibility is important but secondary to confirming catheter placement. Incorrect placement can cause infusion into non-vascular spaces, leading to tissue damage or ineffective therapy, making x-ray confirmation the priority.

A. The initial site dressing is 3 days old. B. The PICC was inserted 4 weeks ago. C. A securement device is absent. D. Upper extremity swelling is noted.

Correct Answer is D

Explanation

Choice A reason: A 3-day-old dressing should be changed per protocol to prevent infection, but it is not an immediate emergency. Swelling indicates potential complications like thrombosis or infiltration, requiring urgent intervention to prevent severe outcomes.
Choice B reason: A PICC inserted 4 weeks ago is within normal duration for use, provided no complications arise. Routine monitoring is needed, but swelling is a more urgent finding, indicating possible vascular or catheter issues.
Choice C reason: An absent securement device risks catheter dislodgement, which is concerning but less urgent than swelling. Swelling may signal thrombosis or fluid extravasation, necessitating immediate action to prevent circulatory or tissue damage.
Choice D reason: Upper extremity swelling may indicate thrombosis, infiltration, or infection, which are serious PICC complications. Thrombosis can obstruct blood flow, risking embolism, while extravasation causes tissue damage. Immediate assessment is critical to ensure patient safety.

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Microdrop tubing has which of the following drop factors?

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has just had a central venous access line inserted. What action will the nurse take next?

Correct Answer is B

Explanation

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Correct Answer is D

Explanation

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