Term
| Hypersenitivities occur when the immune system "over reacts" to an allergen. The realease of histamine occurs as well as the involovment of which of the following classes of antibodies? |
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Definition
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Term
| An organ tarnsplant form one individula to another that is not genetically identical is... |
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Definition
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Term
| The function of the lymphatic system is |
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Definition
to return excess fluid to the blood stream
to return leaked protiens to bloodstream
to carry fat absorbed from the intestine to the bloodstream |
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Term
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Definition
spleen
tonsils
peyers pathes of the intestine |
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Term
| The thymus is most active during _________. |
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Definition
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Term
| Antibodies that act against a particular forgein substance are realeased by ___________. |
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Definition
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Term
| The only T cells that can directly attack and kill other cells are the_________. |
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Definition
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Term
| When does air move into the lungs? |
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Definition
| When the pressure inside the lungs is less than the pressure in the atmosphere |
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Term
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Definition
| maintains the patency(openness) of the trachea |
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Term
| surfactant helps to prevent the aveoli from collapsings by __________. |
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Definition
| acting like a detergent and reduciong the surface tensions of aveolar fluid |
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Term
| The most powerful respratory stimulus for breathing in a healthy person is ______________. |
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Definition
| in crease of carbon dioxide |
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Term
| Because the lungs are filled with fluid during fetal life, where is respitory exchange made? |
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Definition
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Term
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Definition
rising carbon dioxide levels
arterial Po2 below 60 mm Hg
arterial PH resulting from Co2 retention |
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Term
| where is the CNS respiratory control centers are located in the ______________. |
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Definition
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Term
| How is MOST of carbon Dioxide carried in blood |
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Definition
| as the bicarbonates in the plasma after first entering the red blood cells |
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Term
| Why does a premature baby have troubles breathing |
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Definition
| be cause of the lack of surfactant |
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Term
| nospecific immune defense system |
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Definition
Skin
Mucosal membranes
inflammation
fever |
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Term
| epithelial lines the trachea and larger broncials |
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Definition
| psuedostratified ciliated columnar epithelium |
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Term
| Where does external respiration occurs wich of the following locations |
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Definition
| respiratory broncholes and aveoli |
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Term
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Definition
| opening between the vocal cords |
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Term
| why is the respiratory membrane thin |
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Definition
| to facilitate gas exchange |
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Term
| Steep partial pressure gradient |
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Definition
| the main driving force for the diffusion of oxygen across the respiratory membrane |
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Term
| Internal respiration is NOT the exchange of gases at the pulmonary respiratory membrane |
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Definition
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Term
| the mucosal lining of the gut |
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Definition
| barrier to prevent foriegn pathogens from entering body tissues |
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Term
| hemolobin in reb blood cells |
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Definition
| transports oxygen in the blood |
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Term
| contractions of the rectus abdominis is NOT the primary muscle responsible for expiration |
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Definition
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Term
| Pulmonary arteries do NOT carry oxygenated blood |
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Definition
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Term
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Definition
| Type II cells in the alveoli |
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Term
| Sympathetic stimulation does NOT cause airway contriction |
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Definition
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Term
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Definition
| one of the main classes of "antigen presenting cells" |
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Term
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Definition
| important in generating an immune response |
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Term
| Intraplreural pressure is always negative comapared to the intrapulmonary pressure |
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Definition
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Term
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Definition
sexual transmission
Urethritis ,penial and vaginal discharge
Painful intercoarse
Tetracycline |
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Term
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Definition
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