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Which of the following areas of the body is commonly affected by psoriasis?

A.

Scalp and nails

B.

Buttocks and thighs

C.

Lower back and shoulders

D.

Upper arms and neck

Answer and Explanation

The Correct Answer is A

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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Related Questions

Correct Answer is C

Explanation

Explanation: Moisturizers are beneficial in managing psoriasis symptoms as they help keep the skin hydrated and reduce dryness and itching. Avoiding moisturizers can worsen psoriasis symptoms and is not recommended.

Incorrect choices: a. Stress is a known trigger for psoriasis flare-ups, and avoiding stress can help manage the condition.

b. Limiting alcohol consumption is important as alcohol can trigger or exacerbate psoriasis symptoms.

d. Smoking is associated with increased severity and risk of psoriasis, and quitting smoking can help improve symptoms.

Correct Answer is C

Explanation

Explanation: Psoriasis is an autoimmune disorder characterized by an overactive immune system. In psoriasis, the immune system mistakenly triggers inflammation, leading to the rapid growth of skin cells and the formation of plaques.

Incorrect choices: a. Immune system suppresses inflammation and skin cell proliferation: This statement is incorrect. In psoriasis, the immune system does not suppress inflammation but rather promotes it.

b. Immune system responds normally to environmental triggers: This statement is incorrect. In psoriasis, the immune system's response to triggers is abnormal, leading to the characteristic inflammation and skin cell overgrowth.

d. Immune system functions independently of psoriasis development: This statement is incorrect. The immune system plays a central role in psoriasis etiology. The abnormal immune response is the driving force behind the development and progression of psoriasis.

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