A medication order requiring a nurse's judgment to determine that the client's condition necessitates the drug's administration is:
Stat.
PRN.
Scheduled.
Single-dose.
The Correct Answer is B
Choice A rationale
A stat medication order signifies an immediate and urgent administration of the drug, typically within 30 minutes of the order. This is for critical situations where delay could significantly impact patient outcome, requiring prompt action rather than nurse's judgment for necessity.
Choice B rationale
A PRN (pro re nata) medication order means "as needed.”. This type of order grants the nurse professional discretion to administer the medication based on their assessment of the patient's condition and the specific criteria outlined in the order, such as pain level or fever.
Choice C rationale
A scheduled medication order involves administering the drug at regularly prescribed intervals, such as every 8 hours or once daily. The timing is predetermined, and the nurse's primary role is adherence to the schedule, with less independent judgment regarding administration necessity.
Choice D rationale
A single-dose order is for a medication to be given only once at a specific time. This is often used for preoperative medications or diagnostic procedures. Like scheduled orders, the timing is set, and the nurse's judgment about the necessity of administration is not the primary factor.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Using a large bore needle (e.g., 18-gauge) for withdrawing medication from an ampule is generally avoided unless the medication is highly viscous, because it can create a larger hole in the ampule, increasing the risk of glass particle introduction. The primary concern with ampules is preventing glass shards from entering the syringe, which is addressed by filtration, not needle bore size alone.
Choice B rationale
Ampules are single-dose glass containers. When an ampule is opened, small, invisible glass fragments can break off. A filter needle contains a microscopic filter that traps these glass particles, preventing their aspiration into the syringe and subsequent injection into the patient, thus mitigating the risk of phlebitis, emboli, or other complications from particulate matter.
Choice C rationale
A small gauge needle (e.g., 25-gauge) has a very narrow lumen, which would make withdrawing medication from an ampule unnecessarily difficult and slow, especially for viscous solutions. Furthermore, a small gauge needle does not mitigate the risk of glass particle aspiration, which is the paramount concern when withdrawing medication from a glass ampule.
Choice D rationale
Placing a cotton ball over the opening of an ampule is not a scientifically sound method to prevent being cut or to prevent glass shards from entering the medication. Ampules are designed to be broken cleanly. Proper ampule opening techniques and the use of a filter needle are the established safety measures to prevent injury and contamination.
Correct Answer is B
Explanation
Choice A rationale
Partially withdrawing and redirecting the needle after aspirating blood significantly increases the risk of tissue trauma, pain, and the formation of a hematoma at the injection site. Furthermore, there is a risk of inadvertently injecting medication into a blood vessel or the interstitial tissue, which could lead to complications such as nerve damage or localized irritation.
Choice B rationale
Aspirating blood indicates the needle tip has entered a blood vessel. Administering medication intravenously when an intramuscular injection is intended can have serious systemic consequences, including rapid absorption and potential adverse drug reactions or toxicity. Therefore, the safest action is to withdraw the needle, discard the contaminated medication, and prepare a new dose to ensure proper drug delivery.
Choice C rationale
Administering the drug despite aspirating blood significantly increases the risk of injecting the medication directly into a blood vessel (intravascular injection) rather than the muscle. This can lead to rapid systemic absorption, potentially causing adverse effects or toxicity, and may also result in a larger, more painful hematoma and delayed drug action.
Choice D rationale
Continuing to administer the drug after aspirating blood, regardless of the injection speed, is dangerous because it confirms the needle's placement within a blood vessel. Intravascular administration of an IM medication can lead to immediate systemic effects, allergic reactions, or drug overdose, bypassing the intended slower absorption rate of muscle tissue, and increasing risk of complications.
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