FIS 201 Biological Fluids & DNA with
verified solutions passed
What presumptive test reacts with the iron in hemoglobin to turn a suspected visible or faint
blood stain pink? - correct answer ✔✔Kastle-Meyer/Phenolphthalein
What presumptive test reacts with the iron in hemoglobin to turn a suspected visible or faint
blood stain green? - correct answer ✔✔McPhail's Reagent/ Leucomalachite green
What presumptive test reacts with the heme-group to produce very short-lived light; used with
cleaned up scenes? - correct answer ✔✔Luminol
What is an immunoassay that reacts to proteins on the outside of the red blood cells? - correct
answer ✔✔Hematrace
What is a confirmatory test which produces hemochromogen crystals? - correct answer
✔✔Takayama test
What is a presumptive test that reacts with heme-group to produce light; does not require
complete darkness; used with cleaned up scenes? - correct answer ✔✔Bluestar
What oxizes heme-reactive blood tests, causing a false positive? - correct answer ✔✔Bleach
What is a self contained test pad on a plastic strip that is used with visible stains? The control is
yellow and a positive result is green. - correct answer ✔✔Hemastix
verified solutions passed
What presumptive test reacts with the iron in hemoglobin to turn a suspected visible or faint
blood stain pink? - correct answer ✔✔Kastle-Meyer/Phenolphthalein
What presumptive test reacts with the iron in hemoglobin to turn a suspected visible or faint
blood stain green? - correct answer ✔✔McPhail's Reagent/ Leucomalachite green
What presumptive test reacts with the heme-group to produce very short-lived light; used with
cleaned up scenes? - correct answer ✔✔Luminol
What is an immunoassay that reacts to proteins on the outside of the red blood cells? - correct
answer ✔✔Hematrace
What is a confirmatory test which produces hemochromogen crystals? - correct answer
✔✔Takayama test
What is a presumptive test that reacts with heme-group to produce light; does not require
complete darkness; used with cleaned up scenes? - correct answer ✔✔Bluestar
What oxizes heme-reactive blood tests, causing a false positive? - correct answer ✔✔Bleach
What is a self contained test pad on a plastic strip that is used with visible stains? The control is
yellow and a positive result is green. - correct answer ✔✔Hemastix
