Permissible sites for subcutaneous injections are? (SELECT 3 CORRECT OPTIONS)
Anterior thighs.
2-in. around the umbilicus.
Posterior upper arm.
Lateral aspect of thigh.
Forearms.
Correct Answer : A,C,D
Choice A rationale
The anterior thighs are a permissible site for subcutaneous injections because they offer a good layer of subcutaneous fat, which allows for proper absorption of the medication. The vastus lateralis muscle, located in this region, is often used, providing a safe and accessible area for injection due to its distance from major nerves and blood vessels.
Choice B rationale
The area 2 inches around the umbilicus, while containing subcutaneous tissue, is generally avoided for routine subcutaneous injections due to the presence of numerous blood vessels and nerve endings, which can increase the risk of pain, bruising, and potential complications. It's often reserved for specific medications like insulin.
Choice C rationale
The posterior upper arm, specifically the triceps area, is a common and appropriate site for subcutaneous injections. This region provides a sufficient layer of subcutaneous tissue for medication absorption and is relatively free of major nerves and blood vessels, minimizing discomfort and potential complications for the patient.
Choice D rationale
The lateral aspect of the thigh is a frequently used and recommended site for subcutaneous injections. Similar to the anterior thigh, this area offers a large surface of subcutaneous fat, facilitating optimal drug absorption and reducing the likelihood of injecting into muscle or hitting critical neurovascular structures.
Choice E rationale
The forearms, particularly the ventral aspect, are generally not preferred sites for routine subcutaneous injections due to the thinner subcutaneous tissue layer and the proximity of numerous blood vessels and nerves. This area is more commonly used for intradermal injections, where a shallower injection is required.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Placing the patch in the same location repeatedly can lead to skin irritation, reduced absorption due to stratum corneum thickening, and localized adverse reactions. Rotation of application sites allows the skin to recover, maintains optimal drug absorption, and prevents cumulative dermal irritation.
Choice B rationale
Transdermal patches often contain significant amounts of medication, including controlled substances or potent drugs. Discarding them in the trash can poses risks of accidental exposure to others, environmental contamination, and diversion. Proper disposal protocols, such as flushing or returning to pharmacy, are crucial.
Choice C rationale
While transdermal patches are designed for systemic absorption, specific sites are recommended to optimize efficacy and minimize adverse effects. Areas with less hair, intact skin, and good circulation are preferred. Improper placement can lead to erratic absorption or local irritation, reducing therapeutic benefit.
Choice D rationale
The nurse should always wear gloves when handling transdermal patches to prevent direct skin contact with the medication. Many transdermal drugs can be absorbed through the nurse's skin, leading to unintended pharmacological effects or sensitization. Gloves provide a crucial barrier against dermal absorption.
Correct Answer is ["0.45"]
Explanation
Step 1 is to determine the volume to administer. 4500 units ÷ (10,000 units/1 mL) = 0.45 mL. The nurse will administer 0.45 mL.
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