cvt 2006
Terms
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- what is homeostasis?
- auto regulation of CO, BP, o2-CO2, acid base balance
- name the two homeostatic sensors?
- sensory neurons and endocrine system
- All pathogens are__________ butnot all ________ are pathogens?
- antigens
- define neoplastic?
- new growth, cyst, benign tumor
- what is dysplasia and if a Pt has it what should be done?
- it's Precancerous; need a biopsy
- give an example of a virulent infection?
-
necrotizing facitis;
can be bacterial or viral infection and still be virulnet - radiation works best on?
- lymphomic tissues
- what things are involved in our immune response?
- macrophages, natural killer cells, cytotoxic T-cells (back bone of immune system), b-cells-antibodies-complement.
- what are the signs and symptoms of cancer?
- Pain, cachexia, bone marrow suppression, leukopenia ( from marrow; decreased immune response), anemia, infection, hemorrhage
- what is the cure rate for cancer therapy?
-
51%
5 yr survival-prostate 10-15 yrs - what is the survival rate for cancer pt's who are treated surgically?
- 60% of Pt's cured it's best chance of survival, b/c vital structures are involved, always remove larger area (margin), you can biopsy tissues(nodes).
- Risk factors for cancer?
- smoking, eating too much fat and too much fiber
- what lowers blood sugar and what raises it?
- insulin lowers everything else raises it
- you have just operated on your pt replacing his knee, you notice 4 hrs later that he has alot of swelling(more than you expected to see) what would be the best TX for your Pt?
- cortizone
- why do cancer pt's lose so much weight(not a pt recieving chemo)?
- b/c cancer increases the metabolism b/c cancer is very rapidly growing.