Question

Which of the following is produced from the adrenal cortex?

• A. Thyroxine
• B. Aldosterone
• C. Adrenaline
• D. Insulin

Answer 1

The correct option is B

Aldosterone

The correct option is B:

Explanation of the correct option :

1. The adrenal gland is paired, conical gland and is composed of an outer adrenal cortex and an inner adrenal medulla region.
2. The adrenal cortex region of the adrenal gland produces mineralocorticoid hormones.
3. Aldosterone is the major and most important mineralocorticoid.
4. Aldosterone regulates the homeostasis of sodium and potassium ions.

Explanation of the incorrect option:

Option A:

Thyroxine is a hormone produced by the thyroid gland that regulates the basal metabolic rate (BMR) of the body.

Option C:

Adrenaline is also called epinephrine produced by the adrenal medulla region of the adrenal gland which acts to prepare the body for an emergency.

Option D:

1. Insulin is a peptide hormone produced by $\beta$-cells of the pancreas.
2. It increases the uptake of sugar in various tissues, thereby lowering blood sugar levels.

Final answer: Aldosterone is produced from the adrenal cortex.