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Skeletal System
Scanlon and Sanders Essentials to Anatomy and Physiology
| Question | Answer |
|---|---|
| Made of osteons found within diaphysis of a long bone. | Compact bone |
| Found within flat and irregular bones. | Spongy bone |
| An end of the bone made mostly of spongy bone. | Epiphysis |
| The cell that regulates calcium content of adult bones. | Osteocytes |
| The cell responsible for production of new bone matrix. | Osteoblasts |
| The cell responsible for increasing blood calcium. | Osteoclasts |
| Spongy bone in flat and irregular bones. | Contains red bone marrow |
| Adipose tissue located in the medullary cavity. | Yellow bone marrow |
| In the embryo, bones of the skull are first made of___. | Fibrous connective tissue |
| Allows passage through the birth canal without crushing the brain. | Fontanels |
| In long bones of children, growth occurs at the ___. | Epiphyseal discs |
| Nutrients needed for the formation of bone matrix. | Vitamins A and C |
| Nutrients that become a part of bone matrix. | Calcium and phosphorus |
| Protein that is a part of the bone matrix. | Collagen |
| The hormone that increases blood calcium levels. | Parathyroid hormone |
| Parathyroid Hormone | The hormone that increases reabsorption of calcium from the bones. |
| The hormone that decreases the reabsorption of calcium from the bones_____. | Calcitonin |
| The hormone that decreases blood calcium levels. | Calcitonin |
| This vitamin is needed for the small intestine to absorb calcium and phosphorous. | Vitamin D |
| This hormone closes the epiphyseal discs in women. | Estrogen |
| This hormone closes the epiphyseal discs in men. | Testosterone |
| The phrase closure of the epiphyseal discs means__. | All cartilage is replaced by bone. |
| The hormone that increases energy production from glucose only. | Insulin |
| The hormone that increases energy production from all foods. | Thyroxine |
| The hormone that increases cell division in growing bones__________. | GH |