Module 04 Case Study: Bone Tissue
Part I— “Marissa†Questions
- Describe bone tissue and the role each component plays in bone physiology and remodeling. What is the difference between compact and spongy bone? (2 points)
- Explain the relationship between calcium and bones. (1 point)
- Explain how the body controls calcium levels in the bones and blood. Be sure to describe the roles of parathyroid hormone (PTH) and calcitonin in detail. (2 points)
- Explain specifically how osteoporosis affects the bone matrix and the normal bone remodeling cycle. (1 point)
- Discuss what scientists know about the genetics behind osteoporosis. (1 point)
- List at least 5 controllable and 3 uncontrollable risk factors for this disease. (1 point)
- What are the symptoms or telltale signs of osteoporosis? (1 point)
Part II— “Jeremy†Questions
- What foods are good sources of calcium? (1 point)
- Discuss the importance of Vitamin D to calcium absorption. (1 point)
- Discuss calcium supplementation and the recommended daily dosages. (1 point)
- Discuss the effects of sodium, caffeine, and alcohol on calcium levels in the body. (1 point)
- Explain what peak bone mass is and its relationship to osteoporosis. (1 point)
- Describe the types of exercise that help prevent osteoporosis. Why? (1 point)
- What are steroids? What are some examples of steroid prescription medications? What are they used for? (1 point)
- Explain how long-term use of steroids may increase risk for osteoporosis. (1 point)
Part III— “Eleanor†Questions
- Define “perimenopausal” and explain how menopause affects a woman’s hormonal levels of estrogen and progesterone. (1 point)
- Explain how estrogen affects calcium levels in bones. (2 points)
- Explain how smoking affects estrogen levels. How does this in turn affect calcium levels? (1 point)
- What is HRT? Who is it intended for? (1 point)
- In general, and based on medical studies, what are the pros and cons of HRT? (2 points)
- Describe at least two other drug options available to men and women to help prevent and/or treat osteoporosis. (1 point)