Test to determine blood groups in a blood stain – Forensic MCQ
The test to determine blood groups in a blood stain is?
A. Luminol spray
B. Haemin crystal test
C. Kastle-Meyer test
D. Lattes crust method
Correct answer: D. Lattes crust method
- The common blood groups ABO, MNS and Rh systems can be determined in a blood stain by Lattes crust method.
- Luminol spray is used to identify blood stains which are no longer visible due to washing of crime scene.
- Kastle-Meyer test is used to identify visible blood stains.
- Haemin crystal test is a confirmatory test for blood stains.
Ref: Textbook of Forensic Medicine and Toxicology, V. V. Pillay, 14th edition, p320-323.
