Ossification: There are two ways that bone can ossify during embryonic development, intramembranous ossification and endochondral ossification. Osteoblasts, and the reabsorption of old bone by osteoclast activity.
An open or compound fracture occurs when?
An open fracture occurs when the soft tissues around the bone are violated and there is many times direct exposure of bone to the environment. Results when the skin is broken. The bone fragments may be angled and protruded through the skin.
Signs indicating a dislocation include?
severe pain, swelling, and tenderness. Deformity and limited movement are usually evident.
List the conditions that predispose one to osteoporosis.
*Aging *Decreased mobility or a secondary lifestyle *Deficits of calcium, vitamin D, or protein *Cigarette smoking *small, light bone structure, as in Asian and Caucasian people. *Excessive caffeine intake.
The bone pain casued by osteogenic sarcoma is described as?
bone pain is the common symptom, a constant steady pain at rest as well as with activity that gradually increases in severity. An individual often feels the increased pain at night.
Duchenne's muscular dystrophy is inherited as:
x-linked recessive (affect males)
What is correct about Duchenne's muscular dystrophy and the diagnosis?
Diagnosis is based on identification of common genetic abnormalties, elevated creatine kinase levels ( which are raised before clinical signs appears), electromyography, and muscle biopsy. Female carriers in a female can be identified by the blood. Chorionic villus testing can be performed on the fetus at 12 weeks gestation.
Characteristics of osteoarthritis?
Mild and insidious pain initially is an aching that occurs with weight-bearing and moving. Joint movement is limited. Walking becomes difficult if joint unstable, muscles atrophy, causing a predisposition to falls. May be unilateral.
The typical pain of osteoarthritis is?
mild and insidious, aching that occurs with weight-bearing and moving.
joint involvement with rheumatoid arthritis is usually?
Progressive damage to the joints, commences insidiously with an involvement of the small joints such as the fingers, followed by additional joints.
Rheumatoid arthritis is considered to be:
An autoimmune, chronic systemic inflammatory disease that affects adults and children.
Fibrosis, calcification, and fusion of the spine in ankylosing spondylitis lead to
Ankylosis or fixation of the joints and loss of mobility.