GED Science TestLife ScienceEasy
A client is experiencing chronic stress due to work-related pressures. This prolonged stress is leading to elevated levels of cortisol, a hormone primarily released by which endocrine gland?
- APancreas
- BAdrenal gland
- CPituitary gland
- DThyroid gland
Show answer & explanationAnswer & explanation
Correct answer: B. Adrenal gland
Cortisol is a glucocorticoid hormone released by the adrenal glands, specifically the adrenal cortex, in response to stress. It plays a key role in the body's 'fight or flight' response and in regulating metabolism.
Why the other options are wrong
- A. The pancreas produces insulin and glucagon, regulating blood sugar.
- C. The pituitary gland produces many hormones, but it stimulates the adrenal glands to release cortisol, it doesn't directly produce cortisol.
- D. The thyroid gland produces thyroid hormones (T3, T4) regulating metabolism.
Cortisol
A steroid hormone produced by the adrenal glands, often called the 'stress hormone' due to its role in the body's response to stress.
- Released by the adrenal cortex.
- Increases blood sugar, suppresses the immune system.
- Part of the 'fight or flight' response.
- Chronic elevation can be detrimental to health.
Memory trick: Endocrine's ACES: Adrenals, Cortisol, Energy, Stress.