Đề thi, bài tập trắc nghiệm online Sinh lý nội tiếtĐề 1 – Bài tập, đề thi trắc nghiệm online Sinh lý nội tiết Đăng vào 2 Tháng 5, 2026 bởi admin Đề 1 – Bài tập, đề thi trắc nghiệm online Sinh lý nội tiết Đề 1 – Bài tập, đề thi trắc nghiệm online Sinh lý nội tiết Số câu30Quiz ID10631 Làm bài Câu 1 1. Parathyroid hormone (PTH) is crucial for calcium homeostasis. What is the primary target organ of PTH that leads to increased blood calcium levels? A A. Liver B B. Pancreas C C. Kidney D D. Thyroid gland Câu 2 2. The pineal gland secretes melatonin, which is involved in regulating: A A. Blood pressure B B. Body temperature C C. Circadian rhythms D D. Appetite Câu 3 3. Hormones are classified based on their chemical structure. Which of the following is NOT a major class of hormones? A A. Peptide hormones B B. Steroid hormones C C. Amine hormones D D. Carbohydrate hormones Câu 4 4. What is the primary function of calcitonin? A A. Increase blood calcium levels B B. Decrease blood calcium levels C C. Regulate blood glucose levels D D. Stimulate bone resorption Câu 5 5. Which of the following mechanisms of hormone action involves direct gene activation? A A. Activation of second messengers B B. Binding to cell surface receptors C C. Binding to intracellular receptors D D. Alteration of membrane permeability Câu 6 6. The adrenal gland secretes several important hormones. Which region of the adrenal gland is responsible for producing cortisol? A A. Adrenal medulla B B. Zona glomerulosa of the adrenal cortex C C. Zona fasciculata of the adrenal cortex D D. Zona reticularis of the adrenal cortex Câu 7 7. Aldosterone, a mineralocorticoid produced by the adrenal cortex, primarily regulates: A A. Blood glucose levels B B. Sodium and potassium balance C C. Stress response D D. Reproductive function Câu 8 8. The adrenal medulla primarily secretes which of the following hormones? A A. Cortisol and aldosterone B B. Epinephrine and norepinephrine C C. Androgens and estrogens D D. Insulin and glucagon Câu 9 9. Which of the following hormones is primarily responsible for the development of secondary sexual characteristics in females? A A. Testosterone B B. Estrogen C C. Progesterone D D. Follicle-stimulating hormone (FSH) Câu 10 10. What is the primary mechanism of action of peptide hormones? A A. Directly entering the cell nucleus B B. Binding to intracellular receptors C C. Activating second messenger systems via cell surface receptors D D. Altering gene transcription directly Câu 11 11. Compared to peptide hormones, steroid hormones generally have: A A. Faster onset of action B B. Shorter half-life C C. Longer duration of action D D. Higher water solubility Câu 12 12. Which of the following hormones is derived from cholesterol? A A. Insulin B B. Growth hormone C C. Cortisol D D. Epinephrine Câu 13 13. The hypothalamus plays a crucial role in endocrine regulation. Which of the following is a hypothalamic hormone that stimulates the release of thyroid-stimulating hormone (TSH) from the anterior pituitary? A A. Growth hormone-releasing hormone (GHRH) B B. Corticotropin-releasing hormone (CRH) C C. Thyrotropin-releasing hormone (TRH) D D. Gonadotropin-releasing hormone (GnRH) Câu 14 14. Which of the following is a common symptom of hyperthyroidism? A A. Weight gain B B. Fatigue C C. Bradycardia (slow heart rate) D D. Heat intolerance Câu 15 15. In the context of stress response, which hormone is considered the primary 'stress hormone′? A A. Insulin B B. Cortisol C C. Thyroxine (T4) D D. Melatonin Câu 16 16. Insulin and glucagon are hormones secreted by the pancreas that play key roles in glucose homeostasis. What is the primary effect of glucagon? A A. Increase glucose uptake by cells B B. Promote glycogen synthesis in the liver C C. Stimulate gluconeogenesis in the liver D D. Decrease blood glucose levels Câu 17 17. Acromegaly is a condition resulting from excessive secretion of which hormone in adulthood? A A. Insulin B B. Thyroid hormone C C. Growth hormone D D. Cortisol Câu 18 18. What is the primary function of antidiuretic hormone (ADH)? A A. Increase blood glucose levels B B. Promote sodium excretion C C. Increase water reabsorption in the kidneys D D. Stimulate thirst Câu 19 19. Diabetes mellitus is a common endocrine disorder characterized by hyperglycemia. Type 1 diabetes is primarily caused by: A A. Insulin resistance in target tissues B B. Autoimmune destruction of pancreatic beta cells C C. Excessive glucagon secretion D D. Increased cortisol production Câu 20 20. Compared to the nervous system, the endocrine system generally: A A. Acts faster and has shorter-lasting effects B B. Acts slower and has longer-lasting effects C C. Uses electrical signals for communication D D. Is primarily involved in rapid, immediate responses Câu 21 21. Growth hormone (GH) has diverse effects on the body. Which of the following is NOT a primary effect of growth hormone? A A. Stimulation of protein synthesis B B. Promotion of bone growth C C. Increase in blood glucose levels D D. Decrease in lipolysis Câu 22 22. Which of the following hormones is NOT secreted by the anterior pituitary gland? A A. Follicle-stimulating hormone (FSH) B B. Luteinizing hormone (LH) C C. Antidiuretic hormone (ADH) D D. Prolactin (PRL) Câu 23 23. Leptin, a hormone produced by adipose tissue, plays a role in: A A. Lowering blood glucose levels B B. Increasing appetite C C. Regulating long-term energy balance and appetite suppression D D. Stimulating insulin secretion Câu 24 24. The renin-angiotensin-aldosterone system (RAAS) is a crucial hormonal system involved in regulating blood pressure. What is the initial trigger for RAAS activation? A A. High blood sodium levels B B. Low blood potassium levels C C. Low blood pressure D D. High blood glucose levels Câu 25 25. Which hormone is essential for uterine contractions during childbirth and milk ejection during breastfeeding? A A. Prolactin B B. Estrogen C C. Oxytocin D D. Progesterone Câu 26 26. Which of the following hormones is released by the posterior pituitary gland? A A. Growth hormone (GH) B B. Adrenocorticotropic hormone (ACTH) C C. Oxytocin D D. Prolactin Câu 27 27. What is the primary target organ for luteinizing hormone (LH) in females? A A. Thyroid gland B B. Ovaries C C. Adrenal glands D D. Liver Câu 28 28. What is the primary function of follicle-stimulating hormone (FSH) in males? A A. Stimulation of testosterone production B B. Promotion of spermatogenesis (sperm production) C C. Development of secondary sexual characteristics D D. Regulation of libido Câu 29 29. Cushing′s syndrome is a condition caused by prolonged exposure to high levels of: A A. Thyroid hormone B B. Growth hormone C C. Cortisol D D. Insulin Câu 30 30. Negative feedback loops are essential for maintaining hormonal homeostasis. Which of the following is an example of a negative feedback loop in the endocrine system? A A. Oxytocin release during childbirth B B. Prolactin secretion stimulating milk production C C. Thyroid hormone inhibiting TRH and TSH release D D. LH surge triggering ovulation Đề 15 – Bài tập, đề thi trắc nghiệm online Y học cổ truyền Đề 2 – Bài tập, đề thi trắc nghiệm online Tuyển dụng nhân lực