Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Bone remodeling fact | -occurs throughout life
-allows older mineral deposits to be released from home into bloodstream
🗑
|
||||
| What happens if removal of bone is faster than replacement? | Bones weaken
🗑
|
||||
| What does bone remodeling involve (workers) | -osteocytes, osteoblasts & osteoclasts
🗑
|
||||
| If bone rebuilding predominates (example: working out) what happens? | Bones strengthen
🗑
|
||||
| Is bone turnover rate high or low? | High
🗑
|
||||
| What are the effects of exercise on bone? | -they adapt to stress
-they become thicker and stronger
-it stimulates osteoblasts (bone builders)
🗑
|
||||
| Bone degeneration | -bone degenerates quickly
-up to 1/3 of bone Mass can be lost in a few weeks of inactivity
🗑
|
||||
| What minerals are required for bone health? | -calcium
-phosphorus
-magnesium
-fluoride
-iron
-manganese
🗑
|
||||
| Vitamin C affect on bone | Is required for collagen synthesis and stimulates osteoblast differentiation
🗑
|
||||
| Vitamin A affect on bone | Stimulates osteoblast activity
🗑
|
||||
| Vitamins K & B12 | Required for synthesis of bone proteins
🗑
|
||||
| What maintains calcium in homeostasis | -parathyroid hormone
-calcitonin
🗑
|
||||
| What hormones stimulate bone growth? | -growth hormone
-thyroxine
🗑
|
||||
| What are hormones stimulate bone growth | -estrogen
-testosterone
🗑
|
||||
| What is calcitriol? | -made in kidneys
-essential for normal calcium and phosphate in absorbtion in digestive tract
🗑
|
||||
| How much calcium do your bones store? | 90% in addition to other minerals
🗑
|
||||
| What is the most abundant mineral in the body? | Calcium
🗑
|
||||
| What physiological processes is calcium vital to | -muscle contractions
-nerve impulse transmission
🗑
|
||||
| How is homeostasis maintained in bone | -two negative feedback loops
🗑
|
||||
| What is Parathyroid hormone (PTH) | -produced by Parathyroid glands which detect low calcium levels
🗑
|
||||
| How do Parathyroid glands increase blood calcium levels? | -stimulating osteoclasts activity
-inhibits osteoblast activity
-increasing interesting absorbtion of calcium by enhancing calcitriol secretion by kidneys
-decreasing calcium excretion by kidneys
🗑
|
||||
| What is calcitonin | Thyroid gland detects high blood calcium levels
-is secreted by C cells in there gland
-important in children and pregnant/lactating women
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
Garciamentzer
Popular Anatomy sets