L6 Identification of Bodily Fluids

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26 Terms

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Positive Test
Indicates the presence of the expected substances in a test.
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False Positive Test
A test that gives a positive result despite the absence of the expected substances.
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Negative Test
Indicates no presence of the expected substances in a test.
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False Negative Test
A test that gives a negative result despite the presence of the expected substances.
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Benzidine Test
A test that reacts to blood to form a dark blue color.
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Guaiac Test
Used to find invisible blood in a sample, yielding a blue color for a positive result.
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TMB Test
A modified benzidine test producing a blue-green color for a positive result.
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Hemastix Test
A strip test that detects blood through a color change to green.
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Ring Precipitin Test
Tests blood by mixing it with antiserum; a white line indicates a positive result.
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Ouchterlony Double Diffusion Test
Similar to the ring test, using antiserum in a central well with surrounding wells.
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Phenolphthalein Test
Uses a swab to mix with a sample; a pink appearance indicates blood presence.
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Lattes Crust Test
Determines blood type by reacting blood stain with antibodies.
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Luminescence Test
Detects blood using fluorescence and an alternate light source, resulting in a green glow.
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Chemiluminescence Test
Uses luminol for chemical reaction to illuminate blood, resulting in a blue-white glow.
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Teichmann Test
Heats a sample with glacial acetic acid; positive results form reddish brown rhomboid crystals.
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Takayama Test
Uses pyridine solution; positive results change the solution color to purple or pink.
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Microscopic Examination of Sperm
Staining sperm cells to observe under a microscope.
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SAP Test
Tests for seminal acid phosphatase in semen; appearance of purple shows positive results.
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PSA Test
Tests for prostate-specific antigen in semen; can also test for prostate cancer.
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Alpha-amylase Test
Detects presence of alpha-amylase to determine saliva presence.
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Starch-Iodine Test
Starch turns iodine blue; amylase in saliva breaks down starch, reducing the blue color.
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Phadebas Reagent Test
Links starch to a reagent; color change indicates amylase presence.
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Azostix Test
Tests for presence of urea and creatinine in blood.
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DMAC Test
Tests for presence of urea; positive results yield pink or magenta color.
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PAS (Periodic Acid-Schiff) Test
Stains glycogenated epithelial cells in vaginal secretion magenta; observed under a microscope.
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Acid Phosphatase Test
Similar to the SAP test for semen; positive result yields a purple color.

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