Đề thi, bài tập trắc nghiệm online Sinh lý nội tiếtĐề 2 – Bài tập, đề thi trắc nghiệm online Sinh lý nội tiết Đăng vào 2 Tháng 5, 2026 bởi admin Đề 2 – Bài tập, đề thi trắc nghiệm online Sinh lý nội tiết Đề 2 – Bài tập, đề thi trắc nghiệm online Sinh lý nội tiết Số câu30Quiz ID10632 Làm bài Câu 1 1. Which of the following hormones is NOT secreted by the anterior pituitary gland? A A. Growth hormone (GH) B B. Thyroid-stimulating hormone (TSH) C C. Antidiuretic hormone (ADH) D D. Adrenocorticotropic hormone (ACTH) Câu 2 2. Diabetes mellitus is a common endocrine disorder related to problems with which hormone? A A. Thyroid hormone B B. Growth hormone C C. Insulin D D. Cortisol Câu 3 3. Oxytocin is often referred to as the 'love hormone′ or 'bonding hormone′. Where is oxytocin produced and what are its primary functions? A A. Produced in the adrenal gland; functions in stress response and metabolism. B B. Produced in the pancreas; functions in blood glucose regulation. C C. Produced in the hypothalamus and released by the posterior pituitary; functions in social bonding, reproduction, and childbirth. D D. Produced in the thyroid gland; functions in metabolic rate regulation. Câu 4 4. Growth hormone (GH) is secreted by the anterior pituitary gland. What is the primary effect of growth hormone? A A. Decreasing blood glucose levels. B B. Promoting growth and development, especially of bones and muscles. C C. Regulating thyroid hormone secretion. D D. Controlling the stress response. Câu 5 5. Which of the following is a water-soluble hormone? A A. Testosterone B B. Estrogen C C. Insulin D D. Aldosterone Câu 6 6. The adrenal medulla secretes catecholamines in response to stress. Which of the following is a primary catecholamine hormone released by the adrenal medulla? A A. Cortisol B B. Aldosterone C C. Epinephrine (adrenaline) D D. Testosterone Câu 7 7. Aldosterone, a mineralocorticoid hormone, is produced by the adrenal cortex. What is the main function of aldosterone? A A. Regulating blood glucose levels. B B. Controlling stress response. C C. Regulating sodium and potassium balance and blood pressure. D D. Promoting calcium absorption. Câu 8 8. Which of the following is NOT a major endocrine gland in the human body? A A. Pituitary gland B B. Thyroid gland C C. Salivary gland D D. Adrenal gland Câu 9 9. Steroid hormones are derived from cholesterol and are lipid-soluble. How do steroid hormones typically exert their effects on target cells? A A. By binding to cell surface receptors and activating second messenger systems. B B. By directly diffusing across the cell membrane and binding to intracellular receptors. C C. By stimulating the release of neurotransmitters at nerve synapses. D D. By altering the permeability of ion channels in the cell membrane. Câu 10 10. Compared to the nervous system, the endocrine system generally has: A A. Faster and more localized responses. B B. Slower but more widespread and sustained responses. C C. Responses that are only involved in involuntary actions. D D. Less specific target cells and effects. Câu 11 11. Negative feedback loops are crucial for maintaining hormonal homeostasis. What is the primary effect of a negative feedback loop in hormone regulation? A A. To amplify the initial stimulus and increase hormone secretion. B B. To counteract the initial stimulus and decrease hormone secretion. C C. To create rapid fluctuations in hormone levels. D D. To maintain hormone levels at a constantly increasing rate. Câu 12 12. The pituitary gland, often called the 'master gland′, is controlled by which part of the brain? A A. Cerebellum B B. Hypothalamus C C. Cerebrum D D. Brainstem Câu 13 13. Cortisol, a glucocorticoid hormone from the adrenal cortex, has several effects on the body. Which of the following is a primary effect of cortisol? A A. Decreasing blood glucose levels. B B. Promoting protein synthesis and muscle growth. C C. Increasing blood glucose levels and suppressing the immune system. D D. Lowering blood pressure and heart rate. Câu 14 14. Cushing′s syndrome is caused by prolonged exposure to high levels of which hormone? A A. Insulin B B. Thyroid hormone C C. Cortisol D D. Growth hormone Câu 15 15. What is the role of glucagon in glucose homeostasis? A A. To lower blood glucose levels by promoting glucose uptake into cells. B B. To raise blood glucose levels by stimulating glycogenolysis and gluconeogenesis in the liver. C C. To regulate sodium and potassium balance. D D. To suppress the immune system. Câu 16 16. Acromegaly is a condition caused by the overproduction of which hormone in adulthood? A A. Thyroid hormone B B. Growth hormone (GH) C C. Cortisol D D. Insulin Câu 17 17. Hashimoto′s thyroiditis is an autoimmune disorder that primarily affects which gland? A A. Adrenal gland B B. Thyroid gland C C. Pituitary gland D D. Pancreas Câu 18 18. The thyroid gland produces hormones that regulate metabolism. Which two main hormones are produced by the thyroid gland? A A. Insulin and glucagon B B. Cortisol and aldosterone C C. Thyroxine (T4) and triiodothyronine (T3) D D. Estrogen and progesterone Câu 19 19. Hormones are chemical messengers that are secreted directly into the bloodstream by endocrine glands. What is the primary function of hormones in the body? A A. To provide structural support to organs and tissues. B B. To catalyze biochemical reactions within cells. C C. To regulate and coordinate the activities of different cells and organs. D D. To transport oxygen and nutrients throughout the body. Câu 20 20. Melatonin is a hormone primarily involved in regulating sleep-wake cycles. Which gland mainly produces melatonin? A A. Pituitary gland B B. Thyroid gland C C. Pineal gland D D. Adrenal gland Câu 21 21. Which hormone is primarily responsible for the 'fight-or-flight′ response, increasing heart rate, blood pressure, and blood glucose levels? A A. Insulin B B. Glucagon C C. Epinephrine (adrenaline) D D. Thyroxine (T4) Câu 22 22. Prolactin is a hormone primarily known for its role in lactation. What is the main function of prolactin? A A. To stimulate ovulation. B B. To initiate and maintain milk production in mammary glands. C C. To regulate thyroid hormone secretion. D D. To control blood glucose levels. Câu 23 23. Which of the following is an example of a hormone that uses a second messenger system to exert its effects on target cells? A A. Estrogen B B. Cortisol C C. Insulin D D. Thyroxine (T4) Câu 24 24. Which hormone is primarily responsible for regulating blood glucose levels by promoting glucose uptake into cells and glycogen storage in the liver? A A. Glucagon B B. Insulin C C. Cortisol D D. Epinephrine Câu 25 25. What is the difference between endocrine and exocrine glands? A A. Endocrine glands secrete hormones through ducts, while exocrine glands secrete hormones directly into the bloodstream. B B. Endocrine glands secrete hormones directly into the bloodstream, while exocrine glands secrete substances through ducts to specific locations. C C. Endocrine glands are only found in animals, while exocrine glands are only found in plants. D D. Endocrine glands regulate metabolism, while exocrine glands regulate reproduction. Câu 26 26. What is the primary function of antidiuretic hormone (ADH)? A A. To lower blood glucose levels. B B. To increase water reabsorption in the kidneys, reducing urine volume. C C. To stimulate thyroid hormone release. D D. To increase heart rate and blood pressure. Câu 27 27. What is the function of parathyroid hormone (PTH)? A A. To lower blood calcium levels. B B. To raise blood calcium levels. C C. To regulate blood glucose levels. D D. To control blood pressure. Câu 28 28. Which hormone stimulates the development of ovarian follicles and estrogen secretion in females, and sperm production in males? A A. Luteinizing hormone (LH) B B. Follicle-stimulating hormone (FSH) C C. Prolactin D D. Oxytocin Câu 29 29. Graves′ disease is another autoimmune disorder that affects the thyroid gland, but in contrast to Hashimoto′s, it typically leads to: A A. Hypothyroidism (underactive thyroid) B B. Hyperthyroidism (overactive thyroid) C C. Adrenal insufficiency D D. Diabetes mellitus Câu 30 30. Luteinizing hormone (LH) has different roles in males and females. What is the primary function of LH in females? A A. Stimulating sperm production. B B. Promoting uterine contractions during childbirth. C C. Triggering ovulation and stimulating the corpus luteum to produce progesterone. D D. Regulating metabolic rate. Đề 1 – Bài tập, đề thi trắc nghiệm online Hệ thống thông tin quản lý Đề 3 – Bài tập, đề thi trắc nghiệm online Tuyển dụng nhân lực
