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What is the primary cause of acne vulgaris?

A.

Bacterial infection

B.

Hormonal imbalances

C.

Excessive sun exposure

D.

Allergic reactions to skincare products

Answer and Explanation

The Correct Answer is B

Explanation: The primary cause of acne vulgaris is hormonal imbalances, specifically an increase in androgen hormones during puberty. Androgens stimulate the sebaceous glands to produce more sebum, which can clog the hair follicles and lead to the development of acne. While bacteria (Propionibacterium acnes) can contribute to inflammation in acne lesions, it is not the primary cause of acne.

Incorrect choices: a. Bacterial infection - This is incorrect because while bacteria can contribute to the inflammation seen in acne, it is not the primary cause. Acne develops due to the abnormal process of keratinization of hair follicles and increased sebum production.

c. Excessive sun exposure - This is incorrect because while excessive sun exposure can exacerbate some skin conditions, it is not the primary cause of acne vulgaris. In fact, mild sun exposure can sometimes improve acne temporarily, but excessive sun exposure can lead to other skin issues and should be avoided.

d. Allergic reactions to skincare products - This is incorrect because while allergic reactions to skincare products can cause skin irritation, redness, and rashes, it is not the primary cause of acne vulgaris. Acne develops due to hormonal factors and other underlying mechanisms in the skin.


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Related Questions

Correct Answer is B

Explanation

Explanation: Choice b indicates a need for further teaching because scrubbing the face vigorously can irritate the skin and worsen acne lesions. Gentle cleansing is recommended to avoid skin irritation and inflammation.

Incorrect choices: a. "I will cleanse my face with a gentle, non-abrasive cleanser twice daily." - This statement is correct as gentle cleansing with a non-abrasive cleanser can help remove excess oil, dirt, and debris from the skin without causing irritation.

c. "I will avoid using oil-based moisturizers on my face." - This statement is correct as oil-based moisturizers can clog pores and worsen acne. Non-comedogenic, oil-free moisturizers are recommended for acne-prone skin.

d. "I will avoid picking or squeezing my acne lesions." - This statement is correct as picking or squeezing acne lesions can lead to infection, inflammation, and scarring. It is important to leave acne lesions untouched and let them heal naturally.

Correct Answer is A

Explanation

Explanation: Choice a indicates a need for further teaching because acne is not caused by poor hygiene practices alone. While keeping the skin clean is important, acne results from a combination of factors, including hormonal changes, excess oil production, and clogged pores.

Incorrect choices: b. "Hormonal changes can trigger acne breakouts." - This statement is correct as hormonal fluctuations, especially during puberty, can lead to increased sebum production, contributing to acne development.

c. "Certain foods, like chocolate, can worsen acne." - This statement is correct as certain foods may exacerbate acne symptoms in some individuals, though the effect varies from person to person.

d. "Stress and anxiety can worsen acne symptoms." - This statement is correct as stress can trigger hormonal responses that influence acne development and worsen existing symptoms.

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