The nurse notes a reddened area on the right heel that does not turn lighter in color when pressed with a finger.
Which term will the nurse use to describe this area?
Secondary erythema.
Nonblanchable erythema.
Blanchable hyperemia.
Reactive hyperemia.
The Correct Answer is B
Choice A rationale:
Secondary erythema refers to redness that develops after the initial injury or insult. It's not the most accurate term to describe an area that doesn't blanch, as blanching specifically assesses for the presence of blood in the tissue. Secondary erythema can be blanchable or nonblanchable, depending on the underlying cause.
Choice C rationale:
Blanchable hyperemia is a reddening of the skin that blanches (turns lighter) when pressed. This indicates that blood is still flowing to the area and that the tissue is not damaged. It's not the correct term for an area that doesn't blanch.
Choice D rationale:
Reactive hyperemia is a temporary increase in blood flow to an area that has been deprived of blood flow. It's often seen after pressure is relieved from a body part. While reactive hyperemia can cause redness, this redness typically blanches when pressed.
Choice B rationale:
Nonblanchable erythema is the most accurate term to describe an area of redness that does not turn lighter in color when pressed with a finger. This indicates that blood is not flowing to the area and that the tissue is likely damaged. Nonblanchable erythema is a significant finding because it can be a sign of a pressure injury (also known as a bedsore or pressure ulcer).
Key points about nonblanchable erythema:
It's a sign of impaired blood flow to the tissue. It's a potential indicator of a pressure injury.
It requires prompt assessment and intervention to prevent further tissue damage.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Correct Answer is C
Explanation
Choice A rationale:
Incorrect. Mixing insulin detemir and insulin aspart in the same syringe is generally not recommended due to the following reasons:
Altered Pharmacokinetics: Mixing insulins can potentially alter their absorption and action profiles, leading to unpredictable blood glucose control.
Stability Concerns: The compatibility of different insulins in a mixed solution is not always guaranteed, potentially leading to precipitation or decreased potency.
Dosing Accuracy: Drawing up mixed insulins accurately can be challenging, especially when different dosages are required for each type.
Manufacturer Recommendations: Insulin manufacturers typically advise against mixing different insulins unless specifically instructed by a healthcare professional.
Choice B rationale:
Incorrect. While the order of drawing up insulins may have a minor impact on mixing, it does not address the fundamental concerns of mixing different insulins in the same syringe. The primary issue is the potential for altered pharmacokinetics, stability concerns, and dosing accuracy, as explained in the rationale for Choice A.
Choice D rationale:
Incorrect. Rolling insulin bottles between the palms is a technique used to gently resuspend insulin particles that may have settled at the bottom. However, it does not pertain to the correct procedure for drawing up different insulins for administration.
Choice C rationale:
Correct. Administering insulin detemir and insulin aspart using separate syringes and different injection sites is the most appropriate approach for several reasons:
Maintains Pharmacokinetics: It ensures that each insulin maintains its intended absorption and action profile, promoting optimal blood glucose control.
Ensures Stability: Using separate syringes eliminates the risk of potential incompatibility issues that could arise from mixing insulins.
Promotes Dosing Accuracy: Drawing up insulins in separate syringes allows for greater precision in administering the correct dosage of each type.
Aligns with Manufacturer Guidelines: This approach adheres to the recommendations of insulin manufacturers, ensuring safe and effective administration.
Additional Considerations:
Nurses should always consult the latest insulin administration guidelines and individual patient needs for optimal care.
Proper education and counseling should be provided to patients who require multiple insulin injections to ensure adherence and understanding of correct administration techniques.
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