ATI LPN
PN Learning System Medical Surgical Endocrine Practice Quiz Questions
Question 1 of 5
Most endocrine secretions are controlled by _____.
Correct Answer: B
Rationale: Negative feedback loops maintain hormone levels by reducing secretion when levels are adequate, ensuring homeostasis.
Question 2 of 5
An autoimmune form of hypothyroidism when the body destroys the thyroid cells is called
Correct Answer: A
Rationale: Hashimoto's disease is an autoimmune condition destroying thyroid tissue, leading to hypothyroidism.
Question 3 of 5
The antagonistic hormone to aldosterone is ____.
Correct Answer: A
Rationale: ANH opposes aldosterone by promoting sodium and water excretion to lower blood pressure.
Question 4 of 5
Which of the following is NOT true of testosterone?
Correct Answer: D
Rationale: Testosterone is regulated by the pituitary (LH), not the thyroid.
Question 5 of 5
Endocrine glands secrete hormones into the bloodstream for transport to target organs.
Correct Answer: A
Rationale: Endocrine glands release hormones into the blood to reach distant targets.