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What is the typical age of onset for psoriasis?

A.

Infancy and early childhood

B.

Adolescence and young adulthood

C.

Middle age and older adulthood

D.

Any age, as it is random

Answer and Explanation

The Correct Answer is B

Explanation: Psoriasis can develop at any age, but the most common age of onset is during adolescence and young adulthood. However, it can also appear for the first time later in life.

Incorrect choices: a. Infancy and early childhood - Psoriasis can occur in children, but it is less common in infancy and early childhood.

c. Middle age and older adulthood - While psoriasis can develop at any age, it is less common to have an onset in middle age and older adulthood.

d. Any age, as it is random - Although psoriasis can appear at any age, there is a higher prevalence of onset during adolescence and young adulthood.


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Related Questions

Correct Answer is C

Explanation

Explanation: Genetic predisposition in psoriasis contributes to the development of the condition by causing abnormal functioning of the immune system. Certain genes involved in the immune response are associated with psoriasis, leading to an overactive immune system that triggers inflammation and skin cell overproduction.

Incorrect choices: a. Genetic factors increase skin sensitivity to environmental irritants: While some environmental triggers can worsen psoriasis symptoms, genetic predisposition primarily influences the immune system's response, not skin sensitivity to irritants.

b. Genetic factors cause an allergic reaction to certain foods: Psoriasis is not primarily an allergic reaction, and genetic factors do not cause allergic reactions to specific foods in this context.

d. Genetic factors impair the skin's barrier function: Psoriasis is not caused by a skin barrier dysfunction. The condition is characterized by immune system dysregulation and the subsequent inflammation and rapid skin cell turnover.

Correct Answer is C

Explanation

Explanation: Phototherapy involves exposing the skin to UV light to treat psoriasis. During phototherapy sessions, patients should wear special shields to protect their eyes and genitals from potential UV damage.

Incorrect choices: a. Patients undergoing phototherapy are actually exposed to controlled amounts of UV light, which is different from uncontrolled sun exposure. Phototherapy is a prescribed treatment and should be done under healthcare professional supervision.

b. While phototherapy may cause temporary skin darkening or tanning, it is not associated with permanent changes in skin color.

d. Phototherapy does not increase the risk of skin infections. However, patients with psoriasis should practice good hygiene to prevent infections related to their condition and skin care routine.

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