Question: Endocrine glands

A. are ductless glands.

B. are the organs of the endocrine system

.C. secrete hormones directly into the bloodstream.

D. help maintain homeostasis

.E. All of the choices are correct.

Answer: E. all of the choices are correct

Question: Which is not characteristic of the endocrine system?

1. Target cells have hormone receptors

2. B. Slow reaction time

3. C. Long-lasting effects

4. D. Rapid, immediate recovery to prestimulation state

5. E. Hormones are released into the bloodstream

6. Answer: D. rapid, immediate recovery to prestimulation state

7. Question: Which endocrine gland is paired (meaning that there are two in the body)?

8. A. Pancreas

9. B. Thyroid

10. C. Pineal

11. D. Thymus

12. E. Adrenal

13. Answer: E. Adrenal

14. Question: Steroid hormones are lipids, derived from

15. A. cholesterol.

16. B. glycerol.

17. C. amines.

18. D. polypeptides.

19. E. nucleic acids.

20. Answer: A. cholestrol

21. Question: Which hormones are formed from chains of amino acids?

22. A. Steroids

23. B. Proteins

24. C. Biogenic amines

25. D. Steroids and biogenic amines

26. E. Proteins and biogenic amines

27. Answer: B. proteins

28. Question:

29. Answer: B. Negative feedback

30. Question: The “master control center” of the endocrine system is the

31. A. pituitary gland.

32. B. cerebral cortex.

33. C. spinal cord.

34. D. hypothalamus.

35. E. adrenal cortex.

36. Answer: D. hypothalamus

37. Question:

38. Answer: E. all of the choices are correct

39. Question: The secretion of ___________ by the anterior pituitary gland is not under the control of a hypothalamic regulatory hormone.

40. A. growth hormone

41. B. prolactin

42. C. thyroid-stimulating hormone

43. D. follicle-stimulating hormone

44. E. melanocyte-stimulating hormone

45. Answer: E. melanocyte-stimulating hormone

46. Question:

47. Answer: A. within the sella turcica of the sphenoid bone