A nurse is assessing a client who reports a nevus that has increased in size and an irregularly shaped lesion that varies in color. These findings are consistent with which of the following medical diagnoses?

Squamous cell carcinoma

Malignant melanoma

Kaposi's sarcoma

Basal cell carcinoma

Answer and Explanation

The Correct Answer is B

Choice A reason:
Squamous cell carcinoma typically presents as a rough, scaly, red patch, open sore, or raised growth with a central depression, often on sun-exposed areas of the body. While it can appear as a lesion that varies in color, it is not commonly associated with a nevus that has increased in size.

Choice B reason:
Malignant melanoma is associated with changes in preexisting nevi, such as an increase in size and variations in color. It often appears as a mole that changes in color, size, or feel and may have irregular edges. The description of the lesion provided by the client is characteristic of malignant melanoma, making this the correct diagnosis.

Choice C reason:
Kaposi's sarcoma is a cancer that forms in the lining of blood and lymph vessels and typically appears as patches of abnormal tissue on the skin or mucous membranes. These lesions are usually red or purple and look similar to bruises¹. They are not typically described as nevi that increase in size or lesions that vary in color.

Choice D reason:
Basal cell carcinoma often appears as a slightly transparent bump on the skin, though it can take other forms. It usually presents as a pearly white or pink bump on white skin, or a brown or black bump on darker skin, and is most often found on sun-exposed areas. It is not typically associated with a nevus that has increased in size or an irregularly shaped lesion that varies in color.

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Correct Answer is ["A","B","C"]

Explanation

Choice A reason:
Herpes zoster lesions are indeed contagious if they are draining. The virus can spread through direct contact with the fluid from the blisters. It is crucial to cover the lesions to prevent spreading the virus to others, especially to those who have never had chickenpox or the vaccine.

Choice B reason:
The development of vesicles, which are small fluid-filled blisters, is a hallmark of herpes zoster. These vesicles typically appear in a band-like pattern on one side of the body and are often accompanied by pain, itching, or tingling before they are visible.

Choice C reason:
Postherpetic neuralgia is a condition where the pain persists in the area of the herpes zoster rash even after the lesions have healed. This can last for weeks, months, or even years and is more common in older adults.

Choice D reason:
Herpes zoster itself is not spread like chickenpox. It occurs when the varicella-zoster virus, which has been lying dormant in the nerve cells, reactivates. While it is possible for someone who has never had chickenpox to develop chickenpox after direct contact with a shingles rash, herpes zoster is not "easily spread" to others in the same way that chickenpox is.

A. "It is caused by the lack of production of insulin by the pancreas." B. "It is caused by the overproduction of growth hormone by the pituitary gland." C. "It is caused by the overproduction of parathormone by the parathyroid gland." D. "It is caused by the lack of production of aldosterone by the adrenal gland."

Correct Answer is D

Explanation

Choice A reason:
The lack of insulin production by the pancreas is related to diabetes mellitus, not Addison's disease. Insulin is a hormone that regulates blood sugar levels, and its deficiency leads to diabetes, not Addison's disease.

Choice B reason:
The overproduction of growth hormone by the pituitary gland leads to conditions such as acromegaly or gigantism, depending on the age at which the hormone levels become elevated. It is not related to Addison's disease, which involves the adrenal glands, not the pituitary gland.

Choice C reason:
The overproduction of parathormone by the parathyroid glands leads to hyperparathyroidism, which can cause a variety of symptoms including bone pain, kidney stones, and abdominal pain. This condition is not related to Addison's disease.

Choice D reason:
Addison's disease is indeed caused by the lack of production of hormones by the adrenal glands, particularly cortisol and aldosterone. Aldosterone helps to maintain blood pressure and the balance of sodium and potassium in the blood. When the adrenal glands do not produce enough aldosterone, it can lead to symptoms such as low blood pressure and salt cravings, which are characteristic of Addison's disease.

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A nurse is assessing a client who reports a nevus that has increased in size and an irregularly shaped lesion that varies in color. These findings are consistent with which of the following medical diagnoses?

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Naxlex Comprehensive Predictor Exams

A nurse is formulating a teaching plan about herpes zoster for a group of older adults at a community center. The nurse should include which of the following information in the plan?

Correct Answer is ["A","B","C"]

Explanation

A staff nurse is teaching a client who has Addison's disease about the disease process. The client asks the nurse what causes Addison's disease. Which of the following responses should the nurse make?

Correct Answer is D

Explanation

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