A nurse is teaching a class about the epidermis. Which of the following information should the nurse include?
The epidermis receives nutrition from the dermis.
The epidermis contains adipose tissue.
The epidermis is made up of nerves.
The epidermis is composed of blood vessels.
The Correct Answer is A
Choice A rationale: the epidermis which is the most superficial layer of the skin relies on the dermis for nutrition since it lacks its own blood supply.
Choice B rationale: adipose tissue is contained in the hypodermis which is part of the dermis layer of the skin and not the epidermis.
Choice C rationale: nerve fibers are contained in the dermis layer of the skin and not the epidermis.
Choice D rationale: blood vessels are contained in the dermis layer of the skin and not the epidermis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale: Circular, erythematous patches on the scalp are more indicative of tinea capitis, a fungal infection affecting the scalp, and not tinea pedis.
Choice B rationale: Tinea pedis, commonly known as athlete's foot, typically presents with symptoms such as scaling, redness, and itching between the toes. It is a fungal infection affecting the feet.
Choice C rationale: Poison ivy exposure would result in contact dermatitis, characterized by a rash and blistering, rather than the typical presentation of tinea pedis.
Choice D rationale: Antiseizure medications are not typically associated with the development of tinea pedis; the symptoms described are more consistent with a fungal infection.
Correct Answer is D
Explanation
Choice A rationale: pruritus is one of the symptoms of malignant melanoma, as well as changes in the shape, size, color, or texture of a mole or other skin lesion. However, pruritus is not specific to the disease and should always serve as a clue prompting further examination.
Choice B rationale: pain is a very rare symptom in malignant melanoma especially during the early stages of the disease. However, pain may occur in advanced stages of the disease when deeper tissues have been invaded and in cases of metastasis to distant sites.
Choice C rationale: purulent discharge is an indication of an underlying infection rather than malignant melanoma.
Choice D rationale: purplish skin discoloration is common in Kaposi’s sarcoma which manifests as purplish skin nodules rather than malignant melanoma. Furthermore, it may suggest bruising or bleeding under the skin. Malignant melanoma can have various colors, such as black, brown, red, blue, or white, depending on the type and amount of melanin produced by the tumor cells.
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