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12 Cards in this Set
- Front
- Back
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How does a digital pregnancy test work |
Same strip inside but spectrophotometer measures absorbance of test area, a control area and a reference area. A computer program calculates HCG concentration and displays the appropriate message |
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How does a digital pregnancy work with an estimate of time |
Similar to digital test but contains 2 test strips that are optomised for detection of different concentrations of HCG. A computer programme uses this information to calculate the concentration of HCG and displays appropriate message including time |
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Monitoring the number of CD4 T cells present can be used to do what |
Follow the progression of the disease towards aids Monitor effectiveness of chemotherapy |
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Front (Term) |
Back (Definition) |
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How to use fluorescent microscopy to calculate number and percentage of cd4 cells |
Take a blood sample and quantify the number of lymphocytes present in a known volume Take blood and smear over slide Use a fluorescent microscope and calculate number of cd3+ crlls and cd4+ cells |
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What does a fluorescent photon multiplier tube do |
One colour fluorescence |
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What does a fluorescent photon multiplier tube do |
Detectors that Detect One colour of fluorescence |
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Whats the foward and side scatter for macrophages, lymphocytes and granulocytes |
Granulocytes Macrophages Lymphocytes |
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Front (Term) |
Back (Definition) |
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Whats skin testing |
Persons back marked into grids and small doses of allergens applied and skin scratched Back is examined after 30 minutes for characteristic wheal and flare reaction |
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Whats a future protein array |
Miniturization and testing of hundreds of different antigens on a micro array. replacement of radio label by fluorescent label |
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Whats future bead arrays |
Miniaturization and testing of many different antigen on fluorescent beads. Replacement of radiolabel by fluorescent label |
