Nutrients involved in bone health

Question 1

Trabecular

Answer 1

Spongy part of the bone = 20%

Question 2

Cortical

Answer 2

Compact and very dense 80%

Question 3

What is bone resorption?

Answer 3

surface of bones is broken down

Question 4

What is osteoclasts?

Answer 4

cells that erode the surface of bones

erode the bone and release calcium

Question 5

What is osteoblasts?

Answer 5

cells that produce the collagen-containing component of bone

build bone and take up calcium

Question 6

When does peak bone density occur?

Answer 6

before the age of 30

Question 7

What measures bone density?

Answer 7

DXA - Dual energy x-ray absorptiometry

Question 8

What nutrients contribute to bone health?

Answer 8

1. calcium
2. vit d
3. vit k
4. phosphorus
5. magnesium
6. floride

Question 9

What is calcium?

Answer 9

99% stored in bones and teeth

bodys most abundant mineral

Question 10

What is the daily amount for calcium?

Answer 10

1300mg/day

Question 11

Parathyroid hormone

Answer 11

Falling blood

• net result is to raise blood calcium

Question 12

Calcitonin

Answer 12

Raising blood

Net result is to lower calcium

Question 13

What is Vitamin D?

Answer 13

Hormone

Fat-soluble (stored in fat)

Bone growth (maintains levels of calcium and phosphorus)

Question 14

What is Phosphorus?

Answer 14

Bone structure = 85%

• Animal protein is the best source

Question 15

What is magnesium?

Answer 15

Bone structure = 50-60%

synthesis of protein, fats, and nucleic acids

membrane transport

catalyst in energy metabolism

Oysters, spinach

Question 16

What is floride?

Answer 16

Strengthens bone and teeth (99% is found there)

• water = 0.09-0.14mg/L
• Toothpaste

Question 17

What aids the production of collagen?

Answer 17

Vitamin C

Question 18

What vitamin is essential for synthesizing osteocalcin?

Answer 18

Vitamin K2

Question 19

What is osteocalcin?

Answer 19

important protein which is
secreted by osteoblasts, the body’s bone building cells and plays role in bone formation