TEST 2. Modules 3 & 4

Transcription

1 TEST 2 Modules 3 & 4 Questions from the GVLS website 1. What are the structures of the layers of the skin and how does the shape of each contribute to its function? 2. What are the general functions of each layer of the skin? 3. What are the accessory organs for the skin and how do they help provide protection for the body? 4. How does the skin regulate body temperature? 5. What are the factors that determine skin color? 6. What are some skin disorders and why do they occur? 7. Define these terms: Integumentary system - Skin - Receptors - Epidermis -

2 Dermis - Subcutaneous - Mitosis Keratin - Melanin - Sebum - Sebaceous Glands - Hair - Sweat glands - 8. Describe four functions of the skin. 9. Explain how the skin helps to prevent overheating of the body. 10. Describe the role of collagen in the skin. 11. What is the largest organ in the human body? 12. Describe four ways that the skin provides protection to the body. 13. How many dead skin cells are lost by the skin each day? 14. Name two adverse effects of sunlight on the skin.

3 15. What is a skin graft? 16. Describe the structure of the epidermis. 17. Describe the structure of the dermis. 18. Describe the structure of the hypodermis. 19. Describe the structure of hair. 20. Where does hair growth occur? 21. Compare and contrast sweat glands and sebaceous glands. 22. When is ultraviolet radiation most intense? 23. Can ultraviolet radiation travel through water? Explain why or why not. 24.Name and describe the three types of skin cancer. 23. Who is at risk for skin cancer? 24. What are four genetic risk factors for skin cancer? 25. What are four behavioral risk factors for skin cancer? 26. How can skin cancer be prevented? Describe 5 ways. 27. Early diagnosis of skin cancer is very important. Certain changes in the skin can indicate possible melanoma. The changes are described by a tool known as the ABCDE's of Melanoma. What are the ABCDE's of melanoma? 28. a. 29. b. 30. c.

4 31. d. 32. e. 33. What is a sunscreen and how does it protect the skin? Include an explanation of SPF in your answer. 34. Are sunscreens needed on cloudy or rainy days? Explain. 35. How does a sun tan change the skin? Are sun tans safe? 36. What is the outermost layer of your skin called? 37. How many skin cells do you have? 38. What do sebaceous glands do? 39. What sturdy fibers are found in the dermis? 40. What substance makes up most of the hypodermis? 41. What function does sweat serve? 42. What pigment gives skin its coloring? 43. What might happen if you produce too much sebum? 44. The little sacs that produce hair are called: 45. Label the picture: (NEED TO ADD THE SKIN DIAGRAM HERE) Define the terms: Osteoblast - Osteoclast Cartilage -

5 Ligament - Tendon Joint - Fixed Joint - Hinged Joint - Ball and Socket Joint Five things a skeleton provides, define each. Support- Protection- Movement-. Storage- Blood Cell Formation- What are 3 purposes of the skeletal system? 2. What is the tough, smooth, shiny substance called that is at the end of each bone? 3. What keeps our bones from scratching and bumping against each other when we move? 4. What are the long stretchy bands that hold our bones together? What would happen if you didn't have bones? 6. Are bones alive? Explain. 7. What percentage of the creatures on earth do not have a backbone? 8. How many bones are in your face? 9. Who has more bones in their necks--humans or giraffes? 10. How many joints do you have in your body? What is the smallest bone in our bodies? 12. Where in your body are over half of your bones located? 13. Where is the only joint less bone in your body? What structure is located between each vertebrae and what purpose does it serve? 15. How many vertebrae do humans have?

6 16. How is a human spine different from most other mammals? How does this difference benefit humans? 17. What are the three types of vertebrae? What is another name for the breastbone? 19. How many pairs of ribs do most humans have? 20. What connects the ribs to the sternum? 21. What protective function does the ribcage serve? How many bones do you have in your foot? 23. Where are your tarsal bones? (They're in two different places). 24. Where are your metatarsal and phalange bones? 25. How does the arch in your foot help you? 26. What is the longest bone in your body? How many bones are in each of your hands? 28. What 3 bones make up your arm? True or False: The amount of bone formation and breakdown remains the same throughout your entire life. Young children (1-2 years old) should drink whole milk, while everyone else should have lowfat or skim milk. Which vitamin is necessary in order for calcium to be used efficiently? On average, how much calcium should someone get daily? Which of the following requires calcium? Research each of the following skeletal conditions and disorders. Find a description of the disorder, the cause of the disorder and the treatment for the disorder. Some suggested resources are in the sidebar. Write a paragraph with three sentences as follows: sentence #1: describe the disorder sentence #2: describe the cause of the disorder sentence #3: describe the treatment for the disorder a. Osteoarthritis b. Rheumatoid arthritis c. Gout d. Osteoporosis

7 e. Rickets Label the skeleton: (NEED THE SKELETON DIAGRAM HERE)