Unit 2 concept 1 Flashcards
(13 cards)
1
Q
- The ________ girdle provides more flexibility and mobility than the _________ girdle. The ________ girdle is the strongest of the two.
A
Pelvic; pectoral; pelvic. (Skeletal notes
2
Q
- The canal that runs through the core of each osteon
A
Blood vessels and nerve fibers. (Skeletal notes
3
Q
16.The sternum is the result of fusion of three bones called what?
A
Manubrium, body, xiphoid process. (Skeletal notes
4
Q
- The axial skeleton contains the _______
A
Skull, ribs and sternum, vertabrae. (BBD body regions)
5
Q
- The arrangement of bone tissue with a central canal surrounded by rings is comprised of what?
A
Osteons (skeletal notes
6
Q
- What type of bone are the bones in your wrist?
A
Flat bone (skeletal notes
7
Q
- Explain why people who experience paralysis in their lower limbs have thinner, weaker bones in their legs and thighs.
A
Because bone remodeling is stimulated when the osteons receive signals, such as stress, to rebuild the bone. If these signals are not received, the bone will not be strengthened. (skeletal notes
8
Q
- What is the order of the bone remodeling process?
A
- Osteocytes release chemical signals to send osteoclasts to the damage.
- Osteoclasts return calcium and phosphate to the blood through resorption.
- Macrophages promote bone tissue remodeling.
- Osteoblasts come in and rebuild new bone
9
Q
- Firm part of bone just outside of spongy bone.
A
Compact bone. (Skeletal notes, bone diagram
10
Q
- Forehead bone
A
Frontal. (BBD, skull diagram
11
Q
- Bone that makes of the majority of the posterior of the skull.
A
Parietal. (BBD, skull diagram
12
Q
- Bones in lower back
A
Lumbar vertebrae (skeletal notes, BBD
13
Q
- Ankle bone inferior to tibia.
A
Talus (BBD