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The most common type of psoriasis, accounting for approximately 80-90% of cases, is known as:

A.

Guttate psoriasis

B.

Inverse psoriasis

C.

Plaque psoriasis

D.

Pustular psoriasis

Answer and Explanation

The Correct Answer is C

Explanation: Plaque psoriasis is the most common type of psoriasis, accounting for approximately 80-90% of all cases. It is characterized by the presence of raised, well-defined, erythematous (red) plaques with silvery-white scales.

Incorrect choices: a. Guttate psoriasis: Guttate psoriasis is characterized by small, teardrop-shaped lesions scattered on the skin, often following a streptococcal infection. It is less common than plaque psoriasis.

b. Inverse psoriasis: Inverse psoriasis affects skin folds, such as the armpits, groin, and under the breasts. It appears as smooth, red patches and is less common than plaque psoriasis.

d. Pustular psoriasis: Pustular psoriasis is a specific subtype characterized by pustules on the skin, but it is less common than plaque psoriasis.


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Related Questions

Correct Answer is C

Explanation

Explanation: Fatigue and malaise are common symptoms experienced by individuals with psoriasis. The chronic inflammation and immune system dysregulation in psoriasis can lead to feelings of tiredness and general discomfort.

Incorrect choices: a. Persistent fever and chills: Fever and chills are not typical symptoms of psoriasis. They may indicate an infection or other underlying health condition.

b. Frequent nosebleeds: Nosebleeds are not directly associated with psoriasis. They may be caused by other factors such as nasal dryness or irritation.

d. Excessive thirst and frequent urination: These symptoms are not typically related to psoriasis. They may be indicative of diabetes or other medical conditions.

Correct Answer is C

Explanation

Explanation: Psoriasis is believed to have a genetic component, and it is considered an autoimmune disorder where the immune system mistakenly attacks healthy skin cells, leading to the characteristic skin changes.

Incorrect choices: a. Poor hygiene and lack of skin care - Psoriasis is not caused by poor hygiene or lack of skin care.

b. Exposure to environmental toxins - While environmental factors may trigger or worsen psoriasis in some individuals, they are not the primary cause of the condition.

d. Excessive sun exposure - Sun exposure may improve psoriasis symptoms in some people, but it is not the underlying cause of the condition.

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