During a routine physical examination, a nurse observes a 1-cm (0.4-in) lesion on a client's chest. The lesion is raised and flesh-colored with pearly, white borders.
The nurse should recognize that this finding is suggestive of which of the following types of skin cancer?
Basal cell carcinoma.
Actinic keratosis.
Squamous cell carcinoma.
Malignant melanoma.
The Correct Answer is A
Choice A rationale:
Basal cell carcinoma often appears as a raised, flesh-colored lesion with pearly, white borders. It is the most common type of skin cancer.
Choice B rationale:
Actinic keratosis is a precancerous skin condition that can lead to squamous cell carcinoma if left untreated. It typically presents as dry, scaly patches or spots.
Choice C rationale:
Squamous cell carcinoma often appears as a firm, red nodule or a flat lesion with a scaly, crusted surface.
Choice D rationale:
Malignant melanoma is a more serious type of skin cancer that can develop anywhere on the body. It often appears as a new, irregular, or changing mole.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The correct answer is choice B. Inject 20 units of air into the NPH insulin vial.
Choice A rationale:
Replacing the needle for withdrawal with a safety needle is an important step to ensure safety and prevent needle-stick injuries. However, this action is not the first step when mixing two types of insulin. The initial steps involve preparing the insulin vials by injecting air into them.
Choice B rationale:
Injecting 20 units of air into the NPH insulin vial is the correct first step. This is because NPH insulin is a suspension and needs to be mixed properly. Injecting air into the vial helps to equalize the pressure, making it easier to withdraw the correct amount of insulin later. This step is crucial to ensure accurate dosing and proper mixing of the insulin.
Choice C rationale:
Injecting 10 units of air into the regular insulin vial is also necessary, but it is not the first step. The correct sequence is to first inject air into the NPH insulin vial, then into the regular insulin vial. This order helps prevent contamination of the regular insulin with NPH insulin.
Choice D rationale:
Withdrawing 10 units of insulin from the regular insulin vial is an important step, but it should be done after injecting air into both vials. The correct sequence ensures that the insulin is mixed properly and that the doses are accurate.
By following these steps in the correct order, the nurse ensures that the insulin is mixed safely and effectively, minimizing the risk of errors and ensuring proper glycemic control for the patient.
Correct Answer is B
Explanation
Choice A rationale:
Ambulating soon after surgery is actually encouraged as it promotes blood flow and reduces the risk of VTE.
Choice B rationale:
Massaging the legs can dislodge a clot if one has formed, leading to a VTE.
Choice C rationale:
Flexing the ankles promotes blood flow and reduces the risk of VTE.
Choice D rationale:
Elevating the feet can reduce swelling and promote venous return, reducing the risk of VTE.
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