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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 C

Explanation

Explanation: Choice c indicates a need for further teaching because applying acne cream all over the face is unnecessary and can lead to skin irritation. Acne creams should be applied only to the affected areas to avoid over-drying and irritating healthy skin.

Incorrect choices: a. "I will apply the acne cream on my face after washing and drying my skin." - This statement is correct as applying the acne cream on clean and dry skin enhances its effectiveness.

b. "I will apply a thin layer of the acne cream only on the affected areas." - This statement is correct as applying a thin layer of acne cream on the affected areas allows for targeted treatment without over-applying and potentially irritating the skin.

d. "I will avoid using any other skincare products while using the acne cream." - This statement is correct as using multiple acne treatments or skincare products simultaneously can lead to skin irritation and adverse reactions. It is best to follow a simple skincare routine and avoid combining products without medical advice.

More questions

Correct Answer is D

Explanation

Explanation: Choice d indicates a need for further teaching because acne does not cause excessive production of skin oils; rather, it results from an increase in sebum production, which can clog pores and contribute to acne development.

Incorrect choices: a. "Untreated severe acne can lead to permanent scarring and skin damage." - This statement is correct as untreated severe acne can leave permanent scars and cause skin damage, especially if the lesions are deep and inflamed.

b. "Severe acne can increase the risk of developing skin infections." - This statement is correct as open acne sores can serve as entry points for bacteria, increasing the risk of skin infections.

c. "Untreated acne may cause psychological and emotional distress." - This statement is correct as severe acne can have a significant impact on a person's self-esteem and cause psychological and emotional distress.

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