Question: Dermal papilla

Answer: A small, cone-shaped area locatedat the base of the hair follicle that fits into the hair bulb is the _____.

1. Hair follicle

2. B. Hair strand

3. C. Dermal papilla

4. Question: What structures contain the blood and nerve supply that provide the nutrients needed for hair growth?

5. A. Sebaceous glands

6. B. Dermal papillae

7. C. Hair bulbs

8. Answer: Dermal papillae

9. Question: Arrector pili

10. Answer: The small, involuntary muscle fiber in the base of the hair follicle is the _____.

11. A. Inner follicle

12. B. Angled bulb

13. C. Arrector pili

14. Question: Sebum

15. Answer: The substance secreted by the sebaceous glands is called _____.

16. A. Sebum

17. B. Sulfur

18. C. Lymph

19. Question: 11

20. Answer: The body naturally produces ____ of the 20 amino acids that make up hair.

21. A. 3

22. B. 9

23. C. 11

24. Question: Which layer of the hair shaft creates the shine and the smooth, silky feel of healthy hair?

25. A. Hair cuticle

26. B. Arrector pili

27. C. Hair cortex

28. Answer: Hair cuticle

29. Question: Which term refers to a layer that protects the hair from penetration and prevents damage to hair fibers?

30. A. Hair cuticle

31. B. Cortex

32. C. Hair follicle

33. Answer: Hair cuticle

34. Question: Cortex

35. Answer: The fibrous protein core formed by elongated cells that contain melanin pigment is the _____.

36. A. Cuticle

37. B. Sebum

38. C. Cortex

39. Question: Cortex

40. Answer: The changes involved in oxidation haircoloring, wet setting, thermal styling, permanent waving, and chemical hair relaxing take place within the _____.

41. A. Cuticle

42. B. Cortex

43. C. Medulla

44. Question: COHNS elements

45. Answer: The major elements that make up hair are carbon, oxygen, hydrogen, nitrogen, and sulfur, often referred to as ______.

46. A. COHNS elements

47. B. Dermal foundation

48. C. Amino acids