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clavicle 2
clavicle comp
Question | Answer |
---|---|
What type of bone is the clavicle? | long bone |
Where does the clavicle lie in the body? | just above the first rib |
What is the function of the clavicle? | serves as a fulcrum for arm movements |
Which tubercle on the humeral head is more anterior? | lesser tubercle |
The lesser tubercle serves as an insertion point for: | the subscapular muscle |
Which tubercle of the humeral head is on the lateral aspect? | greater tubercle |
What are the 2 names for the area between the greater and lesser tubercles of the humeral head? | intertubercular or bicipital groove |
How is the greater tubercle of the humeral head situated? | It slopes posteriorly 25 degrees |
What makes up the SC joints? | sternal extremity of the clavicle and clavicular notches of the manubrium. |
Sternoclavicular joint type | synovial double-gliding |
Atelectasis | collapse of all or part of the lung |
Pneumothorax | collapsed lung due to accumulation of air in the pleural cavity |
Pulmonary edema | replacement of air with fluid in the lung |
Pleural effusion | collection of fluid in the pleural cavity |
Hyaline membrane disease/RDS | underaeration of the lungs due to a lack of surfactant |
Acromioclavicular joint type | gliding |
Manubriosternal joint type | cartilaginous symphysis |
how is the location of the trachea changed in the thorax, and why? | it shifts slightly to the right due to the aorta |
what is the carina? | the last tracheal cartilage and point of bifurcation of the trachea |
at what level does the carina lie? | T4-T5 |
What hormone is produced by the thymus gland? | thymosin |
What is the role of the thymus? | maturation of the immune system |
When does the thymus begin to atrophy? | after puberty |
As we get older, what happens to the thymus? | lymphatic tissue is replaced by fat |
From where to where does the thymus sit? | at maximum development it rests on the pericardium and may reach up to the thyroid gland |