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Psoriasis is characterized by which of the following skin changes?

A.

Smooth and pink patches on the skin

B.

Flaky, white patches on the skin

C.

Red, scaly, and thickened patches on the skin

D.

Raised, flesh-colored bumps on the skin

Answer and Explanation

The Correct Answer is C

Explanation: Psoriasis commonly presents as red, scaly, and thickened patches on the skin. These patches can be itchy, painful, and sometimes crack and bleed.

Incorrect choices: a. Smooth and pink patches on the skin - This is not characteristic of psoriasis, which typically involves scaling and thickening of the skin.

b. Flaky, white patches on the skin - This is not typical of psoriasis; the patches are usually red and scaly.

d. Raised, flesh-colored bumps on the skin - This description does not match the typical appearance of psoriasis patches.


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Related Questions

Correct Answer is B

Explanation

Explanation: Psoriasis is an autoimmune skin disorder where the immune system mistakenly attacks healthy skin cells, leading to the rapid buildup of skin cells and the formation of red, scaly patches on the skin's surface.

Incorrect choices: a. A contagious bacterial skin infection - Psoriasis is not caused by bacteria, and it is not contagious.

c. A fungal infection causing itching and rash - Psoriasis is not caused by a fungus; it is an autoimmune condition.

d. A viral skin condition resulting in fluid-filled blisters - Psoriasis does not result in fluid-filled blisters; it presents as red, scaly patches instead.

Correct Answer is A

Explanation

Explanation: Psoriasis commonly affects the scalp and nails in addition to other areas of the body. Scalp psoriasis can cause flaking and scale buildup on the scalp, while nail psoriasis can lead to pitting, discoloration, and thickening of the nails.

Incorrect choices: b. Buttocks and thighs: While psoriasis can occur in these areas, it is not one of the most common areas affected.

c. Lower back and shoulders: These areas can be affected by psoriasis, but they are not the most commonly affected regions.

d. Upper arms and neck: Psoriasis can occur on the upper arms and neck, but it is not the most frequently affected area.

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