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HESI A2 Anatomy & Physiology:
Endocrine System Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
Which gland is often called the “master gland” of the endocrine system?✔✔Pituitary gland
Which hormone regulates metabolism and is produced by the thyroid gland?✔✔Thyroxine (T4)
Which gland produces insulin to regulate blood glucose levels?✔✔Pancreas
What hormone is released by the adrenal medulla during stress and increases heart rate?✔✔Epinephrine
Which gland produces cortisol to help the body respond to stress?✔✔Adrenal cortex 1 / 3
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Which hormone stimulates ovulation in females?✔✔Luteinizing hormone (LH)
Which hormone stimulates the production of sperm in males?✔✔Follicle-stimulating hormone (FSH)
Which gland regulates calcium levels in the blood by releasing parathyroid hormone?✔✔Parathyroid glands
Which hormone decreases blood calcium levels by promoting calcium storage in bones?✔✔Calcitonin
Which gland produces melatonin to regulate sleep-wake cycles?✔✔Pineal gland
Which hormone stimulates milk production in lactating females?✔✔Prolactin 2 / 3
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Which hormone increases blood glucose levels by stimulating the liver to release stored glucose?✔✔Glucagon
Which hormone promotes water retention in the kidneys and is released by the posterior pituitary?✔✔Antidiuretic hormone (ADH)
Which hormone triggers the thyroid gland to release thyroid hormones?✔✔Thyroid-stimulating hormone (TSH)
Which hormone regulates the body’s fight-or-flight response?✔✔Epinephrine and norepinephrine
Which hormone controls the release of growth hormone from the pituitary gland?✔✔Growth hormone-releasing hormone (GHRH)
Which gland is located on top of the kidneys and produces steroid hormones?
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