The nurse is preparing to administer 40 mg of enoxaparin subcutaneously to a patient. Which of the following techniques should the nurse use?

The nurse should aspirate immediately prior to injecting the medication.

The nurse should gently massage the injection site immediately afterward.

The nurse should draw up the medication into a 1-mL syringe with a 32-gauge needle.

The nurse should inject the medication into the soft tissue of the patient’s abdomen.

Answer and Explanation

The Correct Answer is D

Choice A rationale:

Aspiration prior to injection of enoxaparin is not recommended. Key reasons for this contraindication include:

Absence of Large Blood Vessels in Subcutaneous Tissue: Enoxaparin is administered subcutaneously, targeting the fatty tissue layer beneath the skin. This tissue generally lacks large blood vessels, significantly reducing the risk of accidental intravascular injection. Aspiration, traditionally intended to prevent such occurrences, becomes unnecessary in this context.

Potential for Hematoma Formation: The act of aspiration itself can create a vacuum within the subcutaneous tissue, leading to trauma and bleeding at the injection site. This can result in hematoma formation, causing discomfort and potential interference with medication absorption.

No Evidence of Benefit: Research studies have not demonstrated any clear advantages of aspiration when administering subcutaneous enoxaparin injections. In fact, some studies have suggested a potential increase in bruising and bleeding associated with aspiration.

Manufacturer Guidelines: Enoxaparin manufacturers explicitly advise against aspiration in their product instructions, aligning with current evidence-based practices.

Choice B rationale:

Massaging the injection site after administering enoxaparin is also not recommended.

Rationale for this contraindication:

Accelerated Absorption: Massaging can increase local blood flow, potentially accelerating the absorption of enoxaparin. This could lead to higher-than-intended drug levels in the bloodstream, increasing the risk of bleeding complications.

Discomfort and Hematoma Risk: Similar to aspiration, massage can create mechanical stress on the injection site, potentially causing bruising, discomfort, or hematoma formation.

Choice C rationale:

While a 1-mL syringe with a 32-gauge needle is a suitable option for subcutaneous injections, it's not the only correct choice. Considerations for syringe and needle selection:

Needle Length: The needle should be short enough to ensure subcutaneous administration, typically ranging from 5/8 to 1 inch in length.

Syringe Size: The syringe size should accommodate the volume of medication being administered, providing clear visibility of the dose.

Patient Comfort: Smaller-gauge needles (like 32-gauge) are often preferred for subcutaneous injections as they tend to cause less discomfort. However, other factors, such as medication viscosity and patient preferences, may influence needle selection.

Choice D rationale:

The abdomen is the preferred injection site for enoxaparin due to several reasons:

Abundant Subcutaneous Tissue: The abdomen generally has a thicker layer of subcutaneous tissue, providing ample space for medication absorption and reducing the risk of intramuscular injection.

Ease of Access: The abdomen is often easily accessible for self-injection or administration by a caregiver, promoting patient comfort and convenience.

Reduced Pain: Subcutaneous injections in the abdomen are typically less painful compared to other potential sites like the arms or thighs.

Additional considerations for enoxaparin administration:

Rotate Injection Sites: To prevent tissue damage and promote consistent absorption, it's crucial to rotate injection sites within the recommended areas (abdomen, thighs, upper buttocks).

Monitor for Adverse Effects: Observe for any signs of bleeding, bruising, or allergic reactions following enoxaparin administration.

Adhere to Storage Guidelines: Store enoxaparin at room temperature and protect it from light to ensure its efficacy.

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Correct Answer is A

Explanation

Choice A rationale:

Standing orders are pre-approved orders that nurses can implement for specific patient situations without requiring a new order from a provider each time. They are designed to streamline care, promote efficiency, and ensure consistency in treatment. In this case, the standing order for EKGs on all cardiac unit admissions serves several key purposes:

A. 10 years B. 1 year C. 5 years D. 2 years

Correct Answer is A

Explanation

The correct answer is Choice A.

Choice A rationale:

Tetanus is an acute infectious disease caused by spores of the bacterium Clostridium tetani.The spores are found everywhere in the environment, particularly in soil, ash, intestinal tracts/feces of animals and humans, and on the surfaces of skin and rusty tools like nails, needles, barbed wire, etc.Anyone can get tetanus, but the disease is particularly common and serious in newborn babies and pregnant women who have not been sufficiently immunized with tetanus-toxoid-containing vaccines.

To ensure that there is adequate antitoxin to neutralize tetanus toxin in the case of a tetanus-prone injury, a booster dose is advised if it has been longer than 10 years since the last tetanus vaccine dose.This is because a single dose of tetanus toxoid produces a rapid anamnestic response. Therefore, if a patient with a puncture wound has not received a tetanus toxoid vaccination in the last 10 years, they would require an additional injection before being discharged from the emergency department.

Choice B rationale:

While it might seem prudent to administer a tetanus toxoid vaccination every year, this is not necessary according to current medical guidelines.Over-vaccination could potentially lead to an increased risk of adverse reactions without providing additional benefits. Therefore, a tetanus toxoid vaccination is not required every year.

Choice C rationale:

A 5-year interval for tetanus toxoid vaccination is not the standard recommendation for general population.However, in some specific cases, such as when indicated for wound management, a tetanus toxoid–containing vaccine might be administered if ≥5 years have elapsed since the previous receipt of any tetanus toxoid–containing vaccine.

Choice D rationale:

A 2-year interval for tetanus toxoid vaccination is not the standard recommendation.The tetanus toxoid vaccination provides protection for a much longer period, and therefore, it is not necessary to administer the vaccine every 2 years.

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The nurse is preparing to administer 40 mg of enoxaparin subcutaneously to a patient. Which of the following techniques should the nurse use?

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Naxlex Comprehensive Predictor Exams

A patient is admitted to the cardiac unit.Everyone admitted to the cardiac unit will have an EKG done unless otherwise ordered. This is an example of which type of order?

Correct Answer is A

Explanation

The nurse is caring for a patient with a puncture wound. How much time must have passed since the patient’s last tetanus toxoid vaccination for the patient to require an additional injection before being discharged from the emergency department?

Correct Answer is A

Explanation

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