The main cause of psoriasis is:

Explanation: Taking long, hot baths can actually worsen psoriasis by drying out the skin and triggering flare-ups. Instead, patients with psoriasis should take short, lukewarm baths or showers to avoid exacerbating the condition.

Incorrect choices: a. Moisturizing the skin regularly is an essential part of psoriasis management to prevent dryness and scaling.

b. Avoiding fragranced soaps and lotions can help minimize skin irritation and sensitivity, which is beneficial for patients with psoriasis.

c. Applying sunscreen before going outside is important, as exposure to UV rays can trigger or worsen psoriasis. Sun protection helps prevent further skin damage.

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.