Calcium

What percentage of the body's calcium is found in bones and teeth?

Which of the following is a good source of calcium according to the text?

What is the Recommended Dietary Allowance (RDA) of calcium for individuals aged 18+ years?

What percentage of calcium is absorbed actively in the small intestine?

What is the plasma concentration of Ca+?

Which physiological factor affects calcium absorption?

What is the main function of calcium in the body?

Which of the following contributes to dietary factors affecting calcium absorption?

What is the calcium intake recommendation for individuals aged 1-10 years?

Which vitamin is essential for calcium deposition?

What percentage of calcium is found in body fluids such as blood and extracellular fluid?

What is the calcium intake recommendation for individuals aged 11-17 years?

What is the normal range for plasma Ca+ concentration?

Which hormone inhibits vitamin D and prevents reabsorption of calcium?

What is the function of parathyroid hormone (PTH) and vitamin D in calcium metabolism?

What is the role of calcitonin in response to rising blood calcium levels?

What is the consequence of high blood calcium in calcium metabolism?

What is the function of osteoclasts in calcium metabolism?

What is the definition of osteoporosis according to the World Health Organization (WHO)?

What is the upper limit for calcium intake to avoid toxicity?

What are the potential consequences of calcium toxicity?

What are the consequences of calcium deficiency?

What is the method used to assess bone mineral density (BMD)?

What is the role of adequate calcium intake in relation to skeletal growth?