Forensic serology Flashcards
These are preliminary tests, screening tests or field tests
Presumptive test
(True or False):
Presumptive tests prove the presence of a specific substance
False
Phenolphthalein test is also known as _________
Kastle Meyer Test
Substances that cause false positives in Phenolphthalein test
saliva, pus, malt extract, vegetable extracts, salts of heavy metals
3 Presumptive tests for BLOOD
Phenolphthalein test
Luminol test
Alternative Light Sources
This compound gives a strong blue fluorescence
Luminol
Substance formed as blood stains age
Hematin
False positives are produced in Luminol test with the presence of what substance
Copper salts
3 Confirmatory tests for BLOOD
Takayama test
RSID test
ABAcard HemaTrace test strips
This test produces hemochromogen crystals that look like salmon-pink rhomboid crystals
Takayama test
Takayama test requires ____ mg hemoglobin
0.1
This test should be evaluated exactly 10 minutes after the addition of sample
RSID test
Produces a pink dye band
ABAcard HemaTrace test strips
3 Presumptive tests for SEMEN
Aid Phosphatase test
Alternative Light sources
Prostate Specific Antigen
Also known as Walker test / Brentamine spot test
Acid Phosphatase test
Presence of these molecules will make semen fluoresce using Alternative Light Sources
Flavin
Choline-conjugated proteins
This antigen is found in small amounts in fecal matter and sweat
Prostate specific antigen
2 Confirmatory tests for SEMEN
Christmas Tree Stain
RSID Test
2 Reagents used in Christmas Tree Stain
Picroindigocarmine
Nuclear Fast Red
Part of sperm that will break down first
Sperm tail
Seminal vesicle specific antigen is also known as ____
Semonogelin
Presumptive test for SALIVA
Phadebas test
Reagent used to detect enzymatic activity of alpha amylase enzyme
Phadebas
This test determines if blood sample is human or animal through reactions to specific antibodies
Ouchterlony test
Requires a multi-step procedure in which the sample is observed reacting with anti-A and B antibodies
ABO typing