Practice exam (Ch. 5) - Dr. Young PDF

Preview

Summary

Dr. Young...

Description

Chapter 5 Practice Exam

Match with either A) Epidermis or B) Dermis: 1. Keratinized stratified squamous epithelium A 2. Some people have thin skin, while others have thick skinB 3. Mainly collagen (fibrous connective tissue, extracellular matrix) B 4. Vascular B 5. Large blood and nerve supplyB 6. Avascular (no blood vessels) A 7. Contains sweat glands, hair follicles, piloerector muscles, and nail roots B 8. Nutrients received via diffusion A Match the following epidermal cell types with their description: 9. Stem cells A. Few in number; receptors for touch 10. Keratinocytes B. Undifferentiated cells that divide and produce keratinocytes 11. Dendritic C. Found in 2 layers of epidermis; originate in bone marrow 12. Melanocytes D. Synthesize the brown to black pigment, melanin 13. Tactile E. Great majority of epidermal cells; synthesize keratin Match the agents of skin color with their description: 14. Melanin A A. Red pigment of blood 15. Hemoglobin B B. Produced by melanocytes 16. Carotene C C. Yellow/orange pigment; concentrates in outer layers of skin Match the skin markings with their definitions: (Look for in book) 17. Friction ridges B A. nevus 18. Freckles D B. finger prints 19. Moles A C. reddish colored mole 20. Hemangiomas C D. concentrated melanin Match the descriptions with the exocrine glands of the skin: 21. Sweat glands (Produce perspiration to cool body) D 22. Oil glands (Produces oily secretion called sebum) A 23. Scent glands (Associated with sex pheromones) B 24. Tough protein of nails C Match with the type of burn: A) 1st degree B) 2nd degree 25. Epidermis and dermis completely destroyed B 26. Usually localized A 27. Sunburns and scalds A 28. Blistered and painful B 29. Redness, slight edema, and pain A 30. Disfigurement can result C 31. Only epidermis A 32. Epidermis and part of dermis B 33. Sunburn B 34. Partial-thickness burn (2 answers) AB 35. Full- thickness burn C

A. Sebaceous B. Apocrine C. Keratin D. Merocrine C) 3rd degree

Chapter 5 Practice Exam

Match with one of the following: A) Basal cell carcinoma B) Squamous cell carcinoma C) Malignant melanoma 36. 90% of all head and neck cancers B 37. Arises from keratinocytes of stratum spinosum B 38. Arises from melanocyte of existing mole C 39. Least dangerous, rarely metastasizes A 40. Can be fatal, lethal B,C 41. Metastasizes quickly C 42. Most common A 43. Can metastasize to lymph nodes B 44. Most deadly but only 5% of cases C 45. Arises from the stratum basale B 46. Arises from the stratum basale and invades dermis A Match with either A) Skin or B) Accessory Organs: 47. Hair B 48. Epidermis and dermis A 49. Largest body organ A 50. Cutaneous glands B 51. Integument A 52. Nails B Questions: 53. Who are most commonly affected by skin cancer? 54. Look at the function of the skin....