What role does environmental factors such as stress and trauma play in psoriasis etiology?
Primary cause of psoriasis
Minor role with no significant impact
Triggers that exacerbate psoriasis symptoms in susceptible individuals
Protective factors against developing psoriasis
The Correct Answer is C
Explanation: Environmental factors such as stress, trauma, infections, and certain medications are considered triggers that can worsen psoriasis symptoms in individuals who are already genetically predisposed to the condition. These triggers can lead to psoriasis flare-ups or worsen existing plaques.
Incorrect choices: a. Primary cause of psoriasis: Environmental factors are not the primary cause of psoriasis. While they can influence the severity of symptoms, the condition itself is primarily driven by genetic factors and immune system dysfunction.
b. Minor role with no significant impact: Environmental triggers are not minor in psoriasis etiology. They can have a significant impact on symptom severity and recurrence in susceptible individuals.
d. Protective factors against developing psoriasis: Environmental factors are not protective against developing psoriasis. As an autoimmune condition, psoriasis is primarily influenced by genetic predisposition and immune system dysfunction, not by protective environmental factors.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Explanation: Psoriasis is characterized by red and raised skin patches covered with silver or white scales. These patches are often itchy and can be found on various parts of the body, such as the scalp, elbows, knees, and lower back.
Incorrect choices: a. Clear and smooth skin without any changes is not consistent with psoriasis, which is marked by visible skin changes like red, raised patches.
c. Skin rash with fluid-filled blisters may indicate conditions such as contact dermatitis or eczema but is not typical of psoriasis.
d. Purple or red lumps under the skin are more suggestive of other conditions, such as nodules or hematomas, rather than psoriasis.
Correct Answer is C
Explanation
Explanation: Psoriasis is a chronic skin disorder that results from an overactive immune response, leading to the rapid growth of skin cells. This causes red, raised, and scaly patches to form on the skin, which can be itchy and painful.
Incorrect choices: a. Psoriasis is not primarily an autoimmune disease affecting the respiratory system. It is primarily a skin condition, although it may be associated with certain autoimmune factors.
b. Psoriasis is not caused by a bacterial infection. It is a non-infectious skin disorder with an underlying immune-mediated mechanism.
d. Psoriasis is not a type of skin cancer. It is a benign skin condition that does not involve the malignant transformation of melanocytes.
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