lungs Flashcards
anterior and posterior pulmonary plexuses are formed by fibers of?
Vagus nerve- parasympathic and sensory
Sympathetic trunk- sympathetic and sensory
These are the nerve supply to the lungs
when there is bronchial DILATION and VASOCONSRICTION and DECREASED glandular secretion what system is activated in the lungs?
sympathetic activation
when there is bronchial CONSTRICTION and VASODILATION and INCREASED glandular secretion what system is activated?
parasympathetic activation
asthma is caused by spasms of what?
smooth muscle, which lies in the segmental bronchi and bronchioles
what type of asthma is triggered by allergens?
extrinsic
what type of asthma is triggered by non-allergic stimuli like stress, cold or exercise?
intrinsic
what is often associated with upper thoracic subluxations?
asthma- adjustments bring relief
where do sympathetics originate?
T2-T5- impingement here allows parasympathetic to dominate
the lower thoracics T9-11 supply what?
adrenal medulla which secretes epinephrine- a potent bronchodilator
describe the drainage of lymph from the lungs
- lymph from lungs drain to pulmonary and bronchopulmonary
- drain into tracheobronchial nodes
what is smokers cough caused by?
damaged cilia
when cilia of the respiratory epithelium move mucus and dirt up and out its called?
mucociliary clearance
what is a primary tumor of the bronchus?
bronchogenic carcinoma
what is the usual causes of a bronchogenic carcinoma?
cigarette smoking and air pollution
describe bronchogenic carcinoma
highly metastatic
spreads quickly to lymph nodes and blood stream traveling via pulmonary veins to heart and circulation
causes enlargement of sentinel node
