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Physiology Chapter 5
Physiology Midterm
| Question | Answer |
|---|---|
| Why is cartilage slow to heal? | because it is semi-solid and flexible because it does not have a blood supply |
| Why are osteocytes spread out in bone tissue? | Formation of osteoid spreads out the osteoblasts that formed the ossification centers. |
| Which of the following bones is (are) formed by intramembranous ossification? | the flat bones of the cranium |
| Bones grow in length due to activity in the ________. | epiphyseal plate |
| Bones grow in diameter due to bone formation ________ | In the endosteum or periosteum |
| Which of the following represents the correct sequence of zones in the epiphyseal plate? | calcification, maturation, proliferation, reserved |
| In endochondral ossification, what happens to the chondrocytes? | They die in the calcified matrix that surrounds them and form the medullary cavity. |
| Select the answer that best describes the axial skeletal structure. | Supports and protects organs Provides framework for muscles that adjust positions of neck , head, and trunk, that perform respiratory movements, and that anchor and stabilize the appendicular bones |
| Adipocytes, found in the yellow bone marrow, stores and releases ____________________________ for energy. | fat and triglycerides |
| Which function of the skeletal system would be especially important if you were in a car accident? | protection of internal organs |
| Without red bone marrow, bones would not be able to ________. | make red blood cells |
| Which of the following provide flexibility and smooth surfaces for movement? | Cartilages |
| Hematopoietic stem cells that are found in red bone marrow can develop into a variety of different blood cells, including red blood cells, white blood cells, and platelets. | T |
| The fontenelles of an infant's skull consists of | fibrous membrane |