Chat with us, powered by LiveChat True / False Questions1. Hormones are normally secreted via ducts into the blood | WriteMoh

True / False Questions1. Hormones are normally secreted via ducts into the blood

True / False Questions1. Hormones are normally secreted via ducts into the bloodstream.2. Hormones serve as intracellular messengers.3. Testosterone is a gonadotropin.4. Many effects of growth hormone are mediated by insulin-like growth factors (IGFs) secreted by the pancreas.5. Both the thymus and the pineal gland shrink after childhood.6. Thyroid hormone has a calorigenic effect.7. Epinephrine is said to have a glucose-sparing effect.8. Cholesterol is essential for the synthesis of steroid hormones.9. Regardless of the cause of stress, the body reacts in a fairly consistent way to different stressors.Multiple Choice Questions10. Which of the following is true regarding endocrine glands?A. They secrete substances that do not alter the metabolism of their target cells, but have extracellular effects.B. They secrete their products by way of ducts.C. They have an unusually low density of blood capillaries.D. They release their secretions into the blood.E. Their secretions may be released onto the body surface.11. The nervous system reacts to stimuli __________ compared to the endocrine system, adapts __________ compared to the endocrine system, and has __________ effects compared to the endocrine system.A. slowly; slowly; widespreadB. quickly; slowly; specificC. quickly; quickly; widespreadD. quickly; quickly; specificE. slowly; quickly; specific12. The _________ secretes growth hormone, which is also known as somatotropin.A. posterior pituitaryB. anterior pituitaryC. hypothalamusD. thyroidE. thymus13. The __________ is not an endocrine gland but it has a role in endocrine function.A. kidneyB. pancreasC. thyroid glandD. parathyroid glandE. adrenal gland14. Which of the following is the correct abbreviation for the hormone that stimulates the anterior pituitary to secrete ACTH?A. CRHB. GHRHC. GHIHD. APRHE. TRH15. What makes a cell responsive to a particular hormone?A. The chemical properties of the hormoneB. The presence of a receptor for that particular hormoneC. The location of the gland that secretes the hormoneD. The location of the target cells in the bodyE. The site where the hormone is secreted16. The posterior pituitary secretes _________.A. prolactin (PRL)B. adrenocorticotropic hormone (ACTH)C. oxytocin (OT)D. thyroid hormone (TH)E. growth hormone (GH)17. The anterior pitiurary is __________ than the posterior pituitary and has __________ connection to the hypothalamus.A. smaller; no nervousB. larger; a nervousC. larger; no nervousD. smaller; a nervous18. Thyrotropin-releasing hormone targets the __________.A. thyroid glandB. thyroid hormoneC. hypothalamusD. posterior pituitaryE. anterior pituitary19. The hypophyseal portal system connects the _________ with the _________.A. anterior pituitary; hypothalamusB. posterior pituitary; hypothalamusC. anterior pituitary; posterior pituitaryD. hypothalamus; thyroidE. pituitary glands; thyroid20. Which of the following is not a hypothalamic hormone?A. Antidiuretic hormone (ADH)B. Luteinizing hormone (LH)C. Thyrotropin releasing hormone (TRH)D. SomatostatinE. Prolactin-inhibiting hormone (PIH)21. Antidiuretic hormone (ADH) targets the __________.A. kidneysB. adrenal glandC. anterior pituitaryD. hypothalamusE. pancreas22 Of the following hormones, which has more target cells in the body than the others?A. Antidiuretic hormone (ADH)B. Corticotropin releasing hormone (CRH)C. Growth hormone-releasing hormone (GHRH)D. Growth hormone (GH)E. Oxytocin (OT)23. Target organs most often regulate the pituitary gland via _________.A. negative feedback inhibitionB. positive feedback inhibitionC. up-regulationD. down-regulationE. antagonistic regulation24. The infundibulum is a ___________.A. mass of endocrine and neural cellsB. portal system between the hypothalamus and the pituitary glandC. bulky nucleus composed of the paraventricular nucleus and the supraoptic nucleusD. depression of the sphenoid bone that protects the pituitary glandE. projection of the hypothalamus from which the pituitary gland hangs25. Negative feedback inhibition occurs when __________.A. thyrotropin-releasing hormone (TRH) targets the anterior pituitaryB. thyrotropin-releasing hormone (TRH) causes the anterior pituitary to release thyroid-stimulating hormone (TSH)C. thyrotropin-releasing hormone (TRH) targets the thyroid glandD. thyroid-stimulating hormone (TSH) targets the thyroid glandE. thyroid hormone (TH) targets the anterior pituitary26. Which hormone stimulates glucocorticoid secretion?A. GHRHB. GHIHC. ACTHD. CRHE. TSH27. Which of the following hormones is not a tropin?A. TSHB. GRHC. ACTHD. PRLE. TRH28. The __________ secretes a hormone that increases the body’s metabolic rate, promotes alertness, quickens reflexes, and stimulates the fetal nervous system.A. thyroid glandB. pancreasC. adrenal glandD. parathyroid glandE. thymus29. The __________ secrete(s) a hormone as a response to hypocalcemia.A. thymusB. thyroid glandC. parathyroid glandsD. pineal glandE. pituitary gland30. The __________ secrete(s) __________, which promotes Na+ and water retention.A. adrenal medulla; epinephrineB. pancreas; cortisolC. kidneys; corticosteroneD. adrenal cortex; aldosteroneE. thyroid; calcitonin31. The zona fasciculata in the adrenal gland secretes ___________.A. glucagonB. epinephrineC. estradiolD. aldosteroneE. cortisol32. Many hours after a meal, alpha (?) cells in the pancreatic islets secrete _________, which _________ blood glucose.A. glucagon; lowersB. glucagon; raisesC. insulin; lowersD. insulin; raisesE. glucocorticoids; raises33. Which of the following is not secreted by the pancreas?A. GlucagonB. Pancreatic polypeptideC. GastrinD. Somatostatin (growth hormone-inhibiting hormone)E. Somatotropin (growth hormone)34. Which of the following organs has both endocrine and exocrine functions?A. The adrenal glandB. The salivary glandsC. The ovaryD. The pineal glandE. The thymus35. Which of the following is not a steroid hormone?A. InsulinB. CortisolC. ProgesteroneD. AldosteroneE. Estradiol36. The absence of iodine in the diet leads to __________.A. hypoparathyroidismB. hypothyroidismC. hypocalcemiaD. hypoglycemiaE. hypoxemia37. Which of the following enters a target cell’s nucleus and acts directly on the genes.A. InsulinB. Antidiuretic hormone (ADH)C. EstrogenD. GlucagonE. Oxytocin (OT)38. Circulating hormones are mostly taken up and degraded by the _________ and the __________.A. adrenal glands; intestinesB. liver; kidneysC. blood; kidneysD. liver; spleenE. spleen; kidneys39. Any situation that upsets homeostasis and threatens ones physical or emotional well-being is called __________.A. stressB. pathologyC. diseaseD. hyperthyroidismE. hirsuitism40. Which of the following is true regarding cortisol?A. It inhibits fat digestion.B. It stimulates protein synthesis.C. It promotes glycogen synthesis.D. It stimulates glucose intake by most organs.E. It promotes breakdown of fat and protein.41. The initial response to stress is called the _________ and is mediated mainly by __________.A. resistance stage; cortisolB. resistance stage; aldosterone and cortisolC. alarm reaction; norepinephrine and epinephrineD. alarm reaction; cortisolE. exhaustion stage; norepinephrine and epinephrine42. Diabetes insipidus is caused by __________.A. epinephrine hypersecretionB. cortisol hypersecretionC. aldosterone hypersecretionD. antidiuretic hormone (ADH) hyposecretionE. antidiuretic hormone (ADH) hypersecretion43. Which of the following effects on a gland can be caused by a tumor?A. Hypersecretion onlyB. Hyposecretion onlyC. Hyposecretion and hypersecretion44. Growth hormone (GH) hypersecretion causes gigantism when it begins in childhood, but it is more likely to cause __________ when it begins in adulthood.A. myxedemaB. Graves diseaseC. Cushing syndromeD. goiterE. acromegalyTrue / False Questions1. Hormones are normally secreted via ducts into the bloodstream.2. Hormones serve as intracellular messengers.3. Testosterone is a gonadotropin.4. Many effects of growth hormone are mediated by insulin-like growth factors (IGFs) secreted by the pancreas.5. Both the thymus and the pineal gland shrink after childhood.6. Thyroid hormone has a calorigenic effect.7. Epinephrine is said to have a glucose-sparing effect.8. Cholesterol is essential for the synthesis of steroid hormones.9. Regardless of the cause of stress, the body reacts in a fairly consistent way to different stressors.Multiple Choice Questions10. Which of the following is true regarding endocrine glands?A. They secrete substances that do not alter the metabolism of their target cells, but have extracellular effects.B. They secrete their products by way of ducts.C. They have an unusually low density of blood capillaries.D. They release their secretions into the blood.E. Their secretions may be released onto the body surface.11. The nervous system reacts to stimuli __________ compared to the endocrine system, adapts __________ compared to the endocrine system, and has __________ effects compared to the endocrine system.A. slowly; slowly; widespreadB. quickly; slowly; specificC. quickly; quickly; widespreadD. quickly; quickly; specificE. slowly; quickly; specific12. The _________ secretes growth hormone, which is also known as somatotropin.A. posterior pituitaryB. anterior pituitaryC. hypothalamusD. thyroidE. thymus13. The __________ is not an endocrine gland but it has a role in endocrine function.A. kidneyB. pancreasC. thyroid glandD. parathyroid glandE. adrenal gland14. Which of the following is the correct abbreviation for the hormone that stimulates the anterior pituitary to secrete ACTH?A. CRHB. GHRHC. GHIHD. APRHE. TRH15. What makes a cell responsive to a particular hormone?A. The chemical properties of the hormoneB. The presence of a receptor for that particular hormoneC. The location of the gland that secretes the hormoneD. The location of the target cells in the bodyE. The site where the hormone is secreted16. The posterior pituitary secretes _________.A. prolactin (PRL)B. adrenocorticotropic hormone (ACTH)C. oxytocin (OT)D. thyroid hormone (TH)E. growth hormone (GH)17. The anterior pitiurary is __________ than the posterior pituitary and has __________ connection to the hypothalamus.A. smaller; no nervousB. larger; a nervousC. larger; no nervousD. smaller; a nervous18. Thyrotropin-releasing hormone targets the __________.A. thyroid glandB. thyroid hormoneC. hypothalamusD. posterior pituitaryE. anterior pituitary19. The hypophyseal portal system connects the _________ with the _________.A. anterior pituitary; hypothalamusB. posterior pituitary; hypothalamusC. anterior pituitary; posterior pituitaryD. hypothalamus; thyroidE. pituitary glands; thyroid20. Which of the following is not a hypothalamic hormone?A. Antidiuretic hormone (ADH)B. Luteinizing hormone (LH)C. Thyrotropin releasing hormone (TRH)D. SomatostatinE. Prolactin-inhibiting hormone (PIH)21. Antidiuretic hormone (ADH) targets the __________.A. kidneysB. adrenal glandC. anterior pituitaryD. hypothalamusE. pancreas22 Of the following hormones, which has more target cells in the body than the others?A. Antidiuretic hormone (ADH)B. Corticotropin releasing hormone (CRH)C. Growth hormone-releasing hormone (GHRH)D. Growth hormone (GH)E. Oxytocin (OT)23. Target organs most often regulate the pituitary gland via _________.A. negative feedback inhibitionB. positive feedback inhibitionC. up-regulationD. down-regulationE. antagonistic regulation24. The infundibulum is a ___________.A. mass of endocrine and neural cellsB. portal system between the hypothalamus and the pituitary glandC. bulky nucleus composed of the paraventricular nucleus and the supraoptic nucleusD. depression of the sphenoid bone that protects the pituitary glandE. projection of the hypothalamus from which the pituitary gland hangs25. Negative feedback inhibition occurs when __________.A. thyrotropin-releasing hormone (TRH) targets the anterior pituitaryB. thyrotropin-releasing hormone (TRH) causes the anterior pituitary to release thyroid-stimulating hormone (TSH)C. thyrotropin-releasing hormone (TRH) targets the thyroid glandD. thyroid-stimulating hormone (TSH) targets the thyroid glandE. thyroid hormone (TH) targets the anterior pituitary26. Which hormone stimulates glucocorticoid secretion?A. GHRHB. GHIHC. ACTHD. CRHE. TSH27. Which of the following hormones is not a tropin?A. TSHB. GRHC. ACTHD. PRLE. TRH28. The __________ secretes a hormone that increases the body’s metabolic rate, promotes alertness, quickens reflexes, and stimulates the fetal nervous system.A. thyroid glandB. pancreasC. adrenal glandD. parathyroid glandE. thymus29. The __________ secrete(s) a hormone as a response to hypocalcemia.A. thymusB. thyroid glandC. parathyroid glandsD. pineal glandE. pituitary gland30. The __________ secrete(s) __________, which promotes Na+ and water retention.A. adrenal medulla; epinephrineB. pancreas; cortisolC. kidneys; corticosteroneD. adrenal cortex; aldosteroneE. thyroid; calcitonin31. The zona fasciculata in the adrenal gland secretes ___________.A. glucagonB. epinephrineC. estradiolD. aldosteroneE. cortisol32. Many hours after a meal, alpha (?) cells in the pancreatic islets secrete _________, which _________ blood glucose.A. glucagon; lowersB. glucagon; raisesC. insulin; lowersD. insulin; raisesE. glucocorticoids; raises33. Which of the following is not secreted by the pancreas?A. GlucagonB. Pancreatic polypeptideC. GastrinD. Somatostatin (growth hormone-inhibiting hormone)E. Somatotropin (growth hormone)34. Which of the following organs has both endocrine and exocrine functions?A. The adrenal glandB. The salivary glandsC. The ovaryD. The pineal glandE. The thymus35. Which of the following is not a steroid hormone?A. InsulinB. CortisolC. ProgesteroneD. AldosteroneE. Estradiol36. The absence of iodine in the diet leads to __________.A. hypoparathyroidismB. hypothyroidismC. hypocalcemiaD. hypoglycemiaE. hypoxemia37. Which of the following enters a target cell’s nucleus and acts directly on the genes.A. InsulinB. Antidiuretic hormone (ADH)C. EstrogenD. GlucagonE. Oxytocin (OT)38. Circulating hormones are mostly taken up and degraded by the _________ and the __________.A. adrenal glands; intestinesB. liver; kidneysC. blood; kidneysD. liver; spleenE. spleen; kidneys39. Any situation that upsets homeostasis and threatens ones physical or emotional well-being is called __________.A. stressB. pathologyC. diseaseD. hyperthyroidismE. hirsuitism40. Which of the following is true regarding cortisol?A. It inhibits fat digestion.B. It stimulates protein synthesis.C. It promotes glycogen synthesis.D. It stimulates glucose intake by most organs.E. It promotes breakdown of fat and protein.41. The initial response to stress is called the _________ and is mediated mainly by __________.A. resistance stage; cortisolB. resistance stage; aldosterone and cortisolC. alarm reaction; norepinephrine and epinephrineD. alarm reaction; cortisolE. exhaustion stage; norepinephrine and epinephrine42. Diabetes insipidus is caused by __________.A. epinephrine hypersecretionB. cortisol hypersecretionC. aldosterone hypersecretionD. antidiuretic hormone (ADH) hyposecretionE. antidiuretic hormone (ADH) hypersecretion43. Which of the following effects on a gland can be caused by a tumor?A. Hypersecretion onlyB. Hyposecretion onlyC. Hyposecretion and hypersecretion44. Growth hormone (GH) hypersecretion causes gigantism when it begins in childhood, but it is more likely to cause __________ when it begins in adulthood.A. myxedemaB. Graves diseaseC. Cushing syndromeD. goiterE. acromegaly

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