Final answer:
Hirsutism is typically caused by an excessive production of androgens, which can be a result of disorders of the adrenal cortex. It is not directly related to cortisol, insulin, or thyroid-stimulating hormone dysregulation, making Option A (too much androgen production) the correct answer.
Step-by-step explanation:
The condition known as hirsutism refers to excessive hair growth in women in areas where hair is typically more common in men, such as the face and back.
This condition is often related to elevated levels of androgens, which are male sex hormones. While both men and women produce androgens, women with conditions such as polycystic ovary syndrome (PCOS) or other disorders that lead to an overproduction of androgens may experience hirsutism.
In the context of endocrine disorders, hirsutism can be a side effect of the hypersecretion of hormones by the adrenal cortex. For example, tumors on the adrenal cortex can lead to hyperadrenocorticism, resulting in high levels of androgens and consequently hirsutism.
Given the options presented in the question, the most likely cause of hirsutism in this case would be too much androgen production (Option A).
It's important to differentiate hirsutism from Cushing's syndrome, which is often associated with cortisol hypersecretion and might exhibit signs such as high blood glucose levels and weight gain, but not specifically hirsutism caused by androgen excess.