Sunlight

1. Sunlight is essential to life on earth, but it is most important to human health because it: *

A. Stimulates photosynthesis B. Has antiseptic properties C. Stimulates Vitamin D production

1. The correct answer is: C

2. Vitamin D helps regulate blood calcium levels. *

A. True B. False

2. The correct answer is: A

3. A deficiency of Vitamin D causes: *

A. Rickets B. Scurvy C. Osteoporosis D. Osteoarthritis

3. The correct answer is: A & C

4. Recurring depression during the cold, dark winter months is known as "SAD." SAD stands for: *

A. Standard American Diet B. Seasonal Affective Disorder C. Senior's Age-related Dementia

4. The correct answer is: B

5. Research has demonstrated that phototherapy changes brain chemistry that results in: *

A. Improved mood B. Increased energy C. A sense of well being and happiness

5. The correct answer is: A, B, C

6. Vitamin D is a steroid hormone that is important in cancer gene regulation. *

A. True B. False

6. The correct answer is: A

7. Research has demonstrated that increased sun exposure results in decreased risk of cancer. *

A. True B. False

7. The correct answer is: A

8. Vitamin D has important antioxidant properties to help prevent disease and slow the aging process. *

A. True B. False

8. The correct answer is: A

9. How much sunlight per day is recommended for adequate Vitamin D and optimal health? *

A. 5-10 minutes per day B. 20-30 minutes per day C. At least 60 minutes per day

9. The correct answer is: B

10. Extra Vitamin D produced during the summer months is stored in the body for use during the winter months. *

A. True B. False

10. The correct answer is: A

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OptiHealth Institute