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| 1 | |
Regarding skeletal system function, |
| | A) | bone often serves as a model for cartilage growth. |
| | B) | tendons connect bone to bone. |
| | C) | blood cells are produced in the marrow of many bones. |
| | D) | cartilage serves as an important mineral storage area. |
| | E) | all of these. |
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| 2 | |
Which of these connective tissue types has proteoglycans in its extracellular matrix? |
| | A) | bone |
| | B) | cartilage |
| | C) | ligaments |
| | D) | tendons |
| | E) | both c and d |
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| 3 | |
The ends of long bones are called |
| | A) | diaphyses. |
| | B) | epiphyses. |
| | C) | lamellae. |
| | D) | trabeculae. |
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| 4 | |
The surface of the medullary cavity is lined with a connective tissue membrane called |
| | A) | periosteum. |
| | B) | epiphyseal plates. |
| | C) | endosteum. |
| | D) | perichondrium. |
| | E) | lamellae. |
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| 5 | |
Each osteon contains |
| | A) | lamellae. |
| | B) | a central canal. |
| | C) | osteocytes in lacunae. |
| | D) | canaliculi. |
| | E) | all of these |
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| 6 | |
Cancellous bone |
| | A) | has no osteocytes. |
| | B) | is mainly located in the diaphyses of long bones. |
| | C) | is composed of delicate interconnecting rods or plates called epiphyses. |
| | D) | has spaces filled with marrow. |
| | E) | forms the outer surface of most bones other than long bones. |
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| 7 | |
Endochondral ossification |
| | A) | occurs primarily in the bones of the skull. |
| | B) | involves calcification of the cartilage matrix. |
| | C) | produces bone in connective tissue membranes. |
| | D) | occurs when chondrocytes replace osteoblasts in the matrix. |
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| 8 | |
Given these events: 1. cancellous bone is formed; 2. cancellous bone is remodeled to compact bone; 3. clot is formed; 4. fibrous network and cartilage form a callus. Arrange the events in the correct order that they occur during bone repair. |
| | A) | 1,2,3,4 |
| | B) | 2,3,4,1 |
| | C) | 3,4,1,2 |
| | D) | 4,3,1,2 |
| | E) | 4,3,2,1 |
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| 9 | |
The term that means a depression in a bone is |
| | A) | foramen. |
| | B) | canal or meatus. |
| | C) | fossa. |
| | D) | sinus. |
| | E) | fissure. |
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| 10 | |
The largest foramen in the skull is the |
| | A) | foramen magnum. |
| | B) | optic foramen. |
| | C) | nasolacrimal canal. |
| | D) | foramen ovale. |
| | E) | foramen rotundum. |
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| 11 | |
Which vertebrae have long, thin spinous processes and possess articular facets on their lateral surfaces to articulate with ribs? |
| | A) | cervical |
| | B) | sacral. |
| | C) | lumbar. |
| | D) | thoracic. |
| | E) | coccyx. |
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| 12 | |
The wrist consists of eight ______ bones, whereas the ankle consists of seven ______ bones. |
| | A) | tarsal, carpal. |
| | B) | carpal, tarsal. |
| | C) | metacarpal, metatarsal. |
| | D) | metatarsal, metacarpal. |
| | E) | metacarpal, phalanges. |
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| 13 | |
Two bones that have prominent epicondyles are the |
| | A) | radius and ulna. |
| | B) | tibia and fibula. |
| | C) | femur and humerus. |
| | D) | femur and scapula. |
| | E) | tibia and radius. |
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| 14 | |
Which of these types of joints exhibits the greatest amount of movement? |
| | A) | cartilaginous joints |
| | B) | gomphoses |
| | C) | sutures |
| | D) | syndesmoses |
| | E) | synovial joints |
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| 15 | |
Raising your arm to point at something straight ahead of you involves |
| | A) | abduction of the arm. |
| | B) | adduction of the arm. |
| | C) | circumduction of the arm. |
| | D) | extension of the arm. |
| | E) | flexion of the arm. |
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| 16 | |
All of the following are functions of the skeletal system EXCEPT: |
| | A) | blood cell production |
| | B) | protection |
| | C) | storage |
| | D) | heat production |
| | E) | support |
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| 17 | |
Bones of the skull, the sternum, and the scapula are all examples of _____ bones. |
| | A) | long |
| | B) | short |
| | C) | flat |
| | D) | irregular |
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| 18 | |
Bone cells that are responsible for the formation of bone are |
| | A) | osteoclasts. |
| | B) | osteocytes. |
| | C) | osteoblasts. |
| | D) | chondroblasts. |
| | E) | chondrocytes. |
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| 19 | |
When blood calcium levels are too high, __________ are activated by __________ which is a hormone from the __________ gland. |
| | A) | osteoblasts; PTH; thyroid |
| | B) | osteoblasts; calcitonin; thyroid |
| | C) | osteoblasts; calcitonin; parathyroid |
| | D) | osteoclasts; calcitonin; parathyroid |
| | E) | osteoclasts; PTH; parathyroid |
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