ATI The Endocrine System Test
Questions and Answers | Latest Version
| 2025/2026 | Correct & Verified
What hormone is secreted by the pancreas to lower blood glucose levels?
✔✔ Insulin
Which gland regulates metabolism by secreting thyroid hormones?
✔✔ Thyroid gland
What is the primary effect of parathyroid hormone on blood calcium levels?
✔✔ It increases blood calcium by stimulating bone resorption
Which hormone is responsible for water reabsorption in the kidneys?
✔✔ Antidiuretic hormone (ADH)
What is the main function of cortisol released by the adrenal cortex?
✔✔ To increase blood glucose and suppress the immune response
1
,Which hormone stimulates the release of milk in breastfeeding?
✔✔ Oxytocin
What condition results from an autoimmune attack on the thyroid causing hypothyroidism?
✔✔ Hashimoto’s thyroiditis
Which hormone is secreted in response to low blood glucose to raise it?
✔✔ Glucagon
What endocrine disorder is characterized by excessive secretion of growth hormone in adults?
✔✔ Acromegaly
Which hormone regulates sodium and potassium balance in the body?
✔✔ Aldosterone
What symptom would you expect in a patient with untreated hypothyroidism?
✔✔ Fatigue and cold intolerance
2
, What laboratory test is used to assess long-term glucose control in diabetic patients?
✔✔ Hemoglobin A1c
What hormone deficiency causes diabetes insipidus?
✔✔ Antidiuretic hormone (ADH) deficiency
Which gland is known as the “master gland” because it controls other endocrine glands?
✔✔ Pituitary gland
What is a common complication after thyroidectomy related to calcium levels?
✔✔ Hypocalcemia due to accidental removal or injury of parathyroid glands
Which hormone plays a major role in the fight-or-flight response?
✔✔ Epinephrine
What is the expected effect of aldosterone on urine output?
✔✔ Decreased urine output due to sodium and water retention
3
Questions and Answers | Latest Version
| 2025/2026 | Correct & Verified
What hormone is secreted by the pancreas to lower blood glucose levels?
✔✔ Insulin
Which gland regulates metabolism by secreting thyroid hormones?
✔✔ Thyroid gland
What is the primary effect of parathyroid hormone on blood calcium levels?
✔✔ It increases blood calcium by stimulating bone resorption
Which hormone is responsible for water reabsorption in the kidneys?
✔✔ Antidiuretic hormone (ADH)
What is the main function of cortisol released by the adrenal cortex?
✔✔ To increase blood glucose and suppress the immune response
1
,Which hormone stimulates the release of milk in breastfeeding?
✔✔ Oxytocin
What condition results from an autoimmune attack on the thyroid causing hypothyroidism?
✔✔ Hashimoto’s thyroiditis
Which hormone is secreted in response to low blood glucose to raise it?
✔✔ Glucagon
What endocrine disorder is characterized by excessive secretion of growth hormone in adults?
✔✔ Acromegaly
Which hormone regulates sodium and potassium balance in the body?
✔✔ Aldosterone
What symptom would you expect in a patient with untreated hypothyroidism?
✔✔ Fatigue and cold intolerance
2
, What laboratory test is used to assess long-term glucose control in diabetic patients?
✔✔ Hemoglobin A1c
What hormone deficiency causes diabetes insipidus?
✔✔ Antidiuretic hormone (ADH) deficiency
Which gland is known as the “master gland” because it controls other endocrine glands?
✔✔ Pituitary gland
What is a common complication after thyroidectomy related to calcium levels?
✔✔ Hypocalcemia due to accidental removal or injury of parathyroid glands
Which hormone plays a major role in the fight-or-flight response?
✔✔ Epinephrine
What is the expected effect of aldosterone on urine output?
✔✔ Decreased urine output due to sodium and water retention
3
