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Lung2

A -- Blood supply, lymph, nerves of lungs, and pleura

QuestionAnswer
What is the role of the bronchial vessels of the lungs? to bring oxygenated blood to maintain the lung tissue
From what structure does the left bronchial arteries arise? the descending thoracic aorta
What two arteries could give rise to the right bronchial arteries? internal thoracic or left bronchial artery
The bronchial veins do not receive all the blood brought to the heart by the bronchial arteries. Where does this extra blood go? drained into the pulmonary veins
What veins do the bronchial arteries usually drain into? (rt and lt) Remember much variation in this area. azygos on the right and hemi- or accesory azygos on the right
The superficial lymphatic plexus terminate usually terminates in what lymph nodes? the bronchopulmonary nodes
The deep lymphatic plexus usually takes what course of lymph drainage? pulmonary, bronchopulmonary, tracheobronchial, paratracheal, bronchomediastinal trunks (lt and rt), thoracic duct and rt lymphatic duct, jugulosubclavian junction
The pulmonary plexus, consisting of both sympathetic and parasympathetic fibers, if formed by what two nervous system structures? upper thoracic sympathetic trunk and vagus nerve
What effect do sympathetic nerve impulses have upon the lung and associated structures? bronchodilation, vasoconstriction, and decreased glandular secretion
What effect to parasympathetic impulses have on the lungs and associated structures? bronchoconstriction, vasodilation, and increase glandular secretions
The pulmonary plexus contains what type of nerve fibers that originate in the bronchial mucosa and alveoli? afferent fibers
This layer of plerua covers the outer surface of the lungs and extends into the depths of interlobar fissures? visceral
Visceral and pariertal pleura are ______________________ with each other by a cuff of pleura that surrounds the root of lung. continuous
The parietal and visceral pleura are seperated by a slit-like space known as what? What tye of space is this? pleural cavity, potential space
This occurs where the costal pleura becomes continuous with the diaphragmatic pleura inferiorly? costal line of reflection
This is the lowest part of the pleural cavity, below the inferiorly border of the lung, into which the lung expands on deep inspiration? costodiaphragmatic recess
This is loacted close to anterior border of lung, between costal and mediastinal pleurae, the lung slides here during deep inspiration? costomediastinal recess
The costal pleura is supplied by what nerve(s)? intercostal nerves
The mediastinal pleura is supplied by what nerve(s)? phrenic nerve
The diaphragmatic pleura is supplied by what nerve(s)? intercostal nerves peripheral part and phrenic nerve central part
Function of the lymphatic system? lymphatic vessels transport back to the blood any fluids that have escaped from the blood.
What is exchanged between the blood and interstital fluid? Nutrients, Wastes, and
Plasma Cells daughter cells that secrete antibodies into the blood
Macrophages play a crucial role in body protection
Dendric Cells capture antigens and bring them back to lymph nodes
Reticular Cells fibroblast like cells that produce the reticular fiber stroma
Palatine Tonsils located on either side at the posterior end of the oral cavity
Lingual Tonsils lumpy collection of lympoid follicles at the base of the tongue
Pharyngeal Tonsil posterior wall of the nasopharynx
Tubal tonsils surrond the openings of the auditory tubes into the pharynx
Peyers Patches large isolated clusters of lymphoid follicles that are located in the wall of the distal portionof the small intestine
MALT protects passages that are open to the exterior from the never ending onslaughts of foreign matter entering them.
Sentinel Node first node that recieves drainage from a body area suspected of being cancerous.
Antigens substances that can mobilize the immune system and provoke an immune response
Ig D always attached to the external surface of a bcell
Bodys first line of defense Mucous Membrane and Skin
Keratin fibrous protein found in the epidermis, hair, and nails that makes those structures hard and water repelant
NK Cells police blood and lymph, lyse and kill cancer cells and virus infected body cells
Exudate (blank)
Ig M circulates in blood plasma, agglutinating
Pyrogens secreted by leukocytes and macrophages exposed to foreign substances in the body
Ig G protects against bacteria, viruses, and toxins circulating in blood and lymph
Ig A exits in limited amounts in plasma. found in saliva, sweat, intestinal juice and milk
Ig E secreted by plasma cells in skin
Helper T Cells plays a central role in adaptive immunity
Created by: justice2
 

 



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