1. Vitamin D is important because it helps the body absorb which other nutrient? A. Vitamin C B. Calcium C. Folate D. None of the above 2. Getting enough vitamin D helps prevent which disease? A. Rickets B. Heart disease C. Osteoporosis D. All of the above E. A and C 3. Which of these foods contain significant amounts of vitamin D? A. Salmon B. Pork C. Spinach D. None of the above 4. How much vitamin D should adults up to age 50 get each day? A. 100 IU B. 200 IU C. 300 IU D. 500 IU 5. Your body can make its own vitamin D. When does this happen? A. When you sweat B. When you exercise C. When you spend time in the sun D. All of the above 6. Having which of these diseases raises the risk for vitamin D deficiency? A. Crohn's disease B. Cystic fibrosis C. Celiac disease D. All of the above Past Quizzes View a full list of past quizzes here