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Questions and Answers
Which of the following statements about calcium sources is correct?
Which of the following statements about calcium sources is correct?
- Calcium is primarily found in fruits and grains.
- Dairy products are the only reliable source of calcium.
- Calcium is synthesized in the body from other nutrients.
- Intact salmon and canned sardines are good sources of calcium. (correct)
What is the connection between vitamin D and bone health?
What is the connection between vitamin D and bone health?
- Vitamin D has no significant impact on bone health.
- Vitamin D is not necessary if calcium intake is sufficient.
- Vitamin D is only important for calcium production.
- Vitamin D aids in calcium absorption and plays a role in bone remodeling. (correct)
Which group is at a higher risk of vitamin D deficiency?
Which group is at a higher risk of vitamin D deficiency?
- People with lighter skin tones.
- Those with darker complexions and those in northern latitudes. (correct)
- Individuals living in southern latitudes.
- Athletes who spend a lot of time outdoors.
Why is dietary calcium inadequate without vitamin D?
Why is dietary calcium inadequate without vitamin D?
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What is a primary source of vitamin D for most individuals?
What is a primary source of vitamin D for most individuals?
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Study Notes
Calcium and Bone Health
- Calcium is essential for bone health, primarily in the forms of calcium phosphate and calcium carbonate.
- The body cannot synthesize calcium; it must be obtained from dietary sources.
Importance of Vitamin D
- Vitamin D is crucial for calcium absorption in the small intestine.
- It also contributes to bone remodeling, although its exact role in this process is not fully understood.
Dietary Sources of Calcium
- Major sources of calcium include:
- Dairy products (e.g., milk, cheese, yogurt).
- Green leafy vegetables (e.g., kale, spinach).
- Broccoli.
- Fish with soft bones, such as intact salmon and canned sardines.
- Nuts, beans, seeds, and shellfish provide calcium in lesser amounts.
Sources of Vitamin D
- Natural food sources of vitamin D are limited to certain items:
- Fatty fish like salmon and tuna.
- Fortified foods (such as milk and cereals).
- The body can produce vitamin D through skin exposure to sunlight.
Vitamin D Deficiency
- Many individuals, particularly those with darker skin and those living in northern latitudes, may experience vitamin D deficiency due to insufficient sunlight exposure.
- In cases of deficiency, healthcare providers can prescribe vitamin D supplements.
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Description
This quiz explores the essential role of calcium and vitamin D in maintaining bone health. Understand the dietary sources of these nutrients and their importance in calcium absorption and bone remodeling. Test your knowledge on how these factors contribute to overall skeletal strength.
