Portage BIOD151 Module 4 exam guide

Portage BIOD151 Module 4 exam guide The skull is formed by___bones; the facial skeleton contains ___bones. - CORRECT ANSWER-22;14 Function of flat bones - CORRECT ANSWER-produce red blood cells; protection of internal organs. (skull protects the brain). shape of long bones - CORRECT ANSWER-long and thin; designed to support body weight and enable movement Five basic bone shapes - CORRECT ANSWER-flat, irregular, long, short and sesamoid hollow chamber in bone, usually filled with air - CORRECT ANSWER-sinus what division of the skeleton lies along the midline? - CORRECT ANSWER-axial Sinusitis - CORRECT ANSWER-inflammation of the sinuses The sub-scapular fossa is located on what side of the scapula? - CORRECT ANSWERanterior What does the head of the humerus articulate with? - CORRECT ANSWER-the scapula The glenohumeral joint is prone to dislocation. Describe dislocation and what happens in dislocation of the glenohumeral joint. - CORRECT ANSWER-Dislocation occurs when the bones of a joint are knocked out of place. The glenoid cavity is extremely shallow and much smaller than the head of the humerus. The humerus needs to be held to the shallow flenoid cavity by the rotator cuff muscles and other ligaments. Where is red bone marrow found? - CORRECT ANSWER-found primarily in short and flat bones where is the epiphysis of a bone found? - CORRECT ANSWER-found at the ends of the long bones. contains the articular cartilage at joint articulations endochondral ossification - CORRECT ANSWER-begins at the primary ossification center at the center of long bones. Is the formation of long bones from hyaline cartilage. Describe osteoporosis and what type of bone cell the patient would be lacking? - CORRECT ANSWER-Occurs when bone tissue degenerates faster than it is replaced. The bones become weakened and brittle, bones cause pain and can fracture easily. Osteoblasts, responsible for bone repair, would decrease meaning that bone repair would not be able to keep up with the ongoing breakdown of bone