Cushing's disease in dogs is due to overproduction of which hormone?

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Study for the Certification Council for Professional Dog Trainers Test. Prepare with flashcards and multiple choice questions, each question offers hints and explanations. Get ready for your exam efficiently!

Multiple Choice

Cushing's disease in dogs is due to overproduction of which hormone?

Explanation:
Cushing's disease in dogs is driven by excess cortisol, the body's main glucocorticoid. Cortisol helps regulate metabolism, immune function, and the stress response. When its levels stay chronically high, dogs develop characteristic signs such as increased thirst and urination, a pot-bellied abdomen, hair loss or thinning, panting, and muscle weakness. The overproduction can stem from the pituitary releasing too much ACTH (driving the adrenal glands to produce more cortisol) or from an adrenal tumor producing cortisol directly. The other hormones listed—thyroxine, insulin, and melatonin—do not cause this syndrome.

Cushing's disease in dogs is driven by excess cortisol, the body's main glucocorticoid. Cortisol helps regulate metabolism, immune function, and the stress response. When its levels stay chronically high, dogs develop characteristic signs such as increased thirst and urination, a pot-bellied abdomen, hair loss or thinning, panting, and muscle weakness. The overproduction can stem from the pituitary releasing too much ACTH (driving the adrenal glands to produce more cortisol) or from an adrenal tumor producing cortisol directly. The other hormones listed—thyroxine, insulin, and melatonin—do not cause this syndrome.

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