The main cause of psoriasis is:
Poor hygiene and lack of skin care
Exposure to environmental toxins
Genetic and immune system factors
Excessive sun exposure
The Correct Answer is C
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
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.
Correct Answer is D
Explanation
Explanation: Adherence to prescribed treatment plans and attending follow-up appointments with healthcare providers are crucial for effectively managing psoriasis and preventing complications.
Incorrect choices: a. "Regularly scrubbing the affected areas to remove scaling." - Vigorous scrubbing can irritate the skin and worsen psoriasis symptoms. Gentle cleansing is recommended.
b. "Avoiding all forms of physical activity to prevent skin irritation." - Engaging in light physical activity is generally encouraged, as long as it does not exacerbate psoriasis symptoms.
c. "Using topical corticosteroids as needed without healthcare provider consultation." - It is essential for patients to follow their healthcare provider's instructions regarding the use of topical corticosteroids, as inappropriate or excessive use can lead to adverse effects.
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