Skeletal System
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each of the black spaces below before clicking
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| shaft of a long bone | diaphysis
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| fibrous connective tissue membrane | periosteum
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| the ends of a long bone | epiphyses
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| cause lengthwise growth of a long bone | epiphyseal plate
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| mature bone cells | osteocytes
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| within the bone matrix where osteocytes live | lacunae
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| the lacunae are arranged in concentric circles called____ around _____ | lamellae, haversian canals
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| tiny canals that radiate outward from the central canals to all lacunae | canaliculi
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| in babies, the skeleton is mostly composed of? | hyaline cartilage
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| the process of bone formation | ossification
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| bone-forming cells | osteoblasts
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| the process by which bones increase in diameter | appositional growth
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| bone-destroying cells | osteoclasts
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| T or F? the patella is classified as an irregular bone | false
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| T or F? the fetus is made up of articular cartilage | false
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| T or F? yellow marrow occupies the medullary cavity of long bones in adults | True
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| T or F? lamellae are the tiny cavities that house the osteocytes | false, lacunae
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| T or F? there are 7 pairs of true ribs, 3 pairs of false ribs, and 2 pairs of floating ribs in the typical thorax | true, should add up to 12
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| The radial head articulates with the _________ of the humerus | capitulum
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| The anterior process of the scapula is the _____________. | coracoid process
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| The lateral depression of the scapula is the ___________. This articulates with the humeral head | Glenoid cavity
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| The trochlear notch is located on the proximal end of the ____ and is situated between the ________ process and _________ process of this bone. | ulna; coranoid; olecranon
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| The __________ of the wrist is the most commonly fractured carpal. | navicular
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| the _________ if the wrist is the carpal bone located in the distal row on the medial side. | hamate
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| The __________, _________ and _________ make up each ossa coxae. | ileum, ischeum, pubis
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| there are ________ tarsal bones in each foot and ____ carpal bones in each wrist. | 7 ; 8
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| There are _____ fontanels in an infants skull. | 6
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| There are _____ facial bones and ____ cranial bones. | 14, 8
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| Which of the following are not located in the axial skeleton? A. skull B. scapula C. Spine D. ribs | B. scapula
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| the vertical canals of the bones are known as the : | Haversian canals
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| ______________ is known as the process of widening of bone through osteoblastic activity. | appositional growth
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| There are ______ thoracic vertebrae in the typical skeleton. | 12
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| The purpose of the sacral foramina is : | to allow the lower extremities to be innervated
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| there are two necks of the humerus. the most proximal is the _________ neck | anatomical
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| When in anatomical position, the _______ of the humerus can be seen in profile. A. greater tuberosity B. lesser tuberosity C. greater throcanter | A. greater tuberosity
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| Which of the following can be classified under an amphiarthrodial joint? 1. skull 2. vertebrae 3. pubic symphysis 4. knee A. 1 and 2 B. 1 and 4 C. 2 and 3 D. 3 and 4 | C.
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| There are ________ phalanges in the hands. | 28
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