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Final( old test 1)
n/a
34
Anatomy
Undergraduate 2
05/04/2011

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