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A & P Chapter 5
Skeleton System
| Question | Answer |
|---|---|
| What type of tissue covers the epiphysis of bones and reduces friction in the joints? | articular cartilage |
| Each complex of central canal and matrix rings in compact bone is known as ________. | an osteon (Haversian system) |
| Which of these bone markings is a projection that serves as a site for muscle or ligament attachment? | tubercle |
| What kind of tissue is the forerunner of long bones in the embryo? | hyaline cartilage |
| Which of the following could create an open, or compound, fracture? | when the broken bone penetrates through the skin |
| The axial skeleton contains ________. | skull, true and false ribs, vertebrae |
| The hyoid bone is unique because it ________. | is the only bone of the body that does not directly articulate with any other bone |
| Which type of rib lacks an attachment to the sternum? | floating ribs |
| The sternum is the result of fusion of three bones called the ________. | manubrium, body, xiphoid process |
| Which two bones constitute the forearm? | ulna and radius |
| Articulations permitting only slight degrees of movement are ________, whereas articulations permitting no movement are called ________. | amphiarthroses; synarthroses |
| The elbow is classified as a ________. | hinge joint |
| Broken bone portion is pushed inward | depression fracture |
| Ragged bone break resulting from twisting forces | spiral fracture |
| Cells that can dissolve the bony matrix | osteoclasts |
| Small channels that radiate through the matrix of compact bone | canaliculi |
| Storage area for yellow marrow in adults | central diaphysis |
| Joint created by the intervertebral discs | cartilaginous joint |
| Joint created by the teeth and mandible or maxillary bones | fibrous joint |
| The large hole located in the base of the occipital bone that allows the spinal cord and brain to connect is the ________. | foramen magnum |
| Which of the following is NOT a function of the skeletal system? | regulation of blood pressure |
| Small canals that connect osteocytes in their lacunae to the central canal are known as | canaliculi |
| Mothers who breast-feed their children will lose a percentage of calcium from their bones. Which hormone is responsible for raising blood calcium levels when they drop below homeostatic levels? | parathyroid hormone (PTH) |
| The temporal bones are joined with the parietal bones at the ________ sutures. | squamous |
| Julie experienced a break in the shaft of her femur. What part of her bone was fractured? | diaphysis |
| When growing bones widen through appositional growth, what kind of cells add bone matrix to the outside of the diaphysis? | osteoblasts |
| In adults, the function of the yellow marrow is to ________. | store adipose tissue |
Created by:
Cinda