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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: Psoriasis is not contagious and cannot be spread through direct contact with affected individuals. It is an autoimmune disease where the immune system mistakenly attacks healthy skin cells, leading to the characteristic red, scaly patches on the skin.

Incorrect choices: a. This statement is correct. Psoriasis is a chronic skin condition that causes red, scaly patches on the skin.

b. This statement is correct. Psoriasis is indeed an autoimmune disease where the body's immune system attacks healthy skin cells.

d. This statement is correct. Treatment for psoriasis aims to reduce inflammation and slow down the rapid skin cell growth to manage the symptoms of the condition.

Correct Answer is D

Explanation

Explanation: Chronic psoriasis is characterized by thickened, scaly plaques with silvery-white scales. These plaques result from the excessive growth and turnover of skin cells in psoriasis.

Incorrect choices: a. Generalized redness with no scaling: This description does not align with chronic psoriasis. Psoriasis plaques are typically scaly and have a characteristic appearance.

b. Pustules and fluid-filled blisters: Pustular psoriasis is a specific subtype of psoriasis characterized by pustules, but it is not a hallmark of chronic psoriasis.

c. Hyperpigmented patches with rough texture: Hyperpigmentation and rough texture are not typical features of chronic psoriasis. The characteristic feature is the presence of silvery-white scales on thickened plaques.

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