Group 4 Flashcards
fluid circulates in the heart, arteries, capillaries, veins of vertebrate animal carrying nourishment and oxygen to and bringing away waste products from all parts of the body
Blood
Red blood cells also called?
Erythrocytes
White blood cells also called?
Leukocytes
Mammals platelets also called?
Thrombocytes
Most abundant cells in vertebrate blood are?
Red blood cells
Scientific study of the patterns and marks left behind at crime scene. This include biological evidence such as blood, semen, saliva and other bodily fluids and other physical evidence to help solve crimes
Serology
The preparation of testimony through the results obtained via serology and its presentation in a trial by _____ and ______ delivered by an expert witness
oral and written testimony
Medical procedure used to determine a persons blood type, which is essential for various medical purposes
Blood Typing
Identifies specific antigen present on the surface of red blood cells, which helps categories blood into different groups
Blood Typing
The most common type of blood typing system is the ________ blood group system and the Rh factor
A B O
Surface maker found within the surface of the red blood cell
Antigens
Always going to be opposite of what type of antigen is found at the red blood cell
Antibodies
Usually tells us whether you are a positive or negative blood type
Rh factor
It is a protein that can be found on the surface of the red blood cell
RH factor
Type of biological evidence that is commonly found at the scene of crime
Blood
found at various types of crime scene , such as homicide, hit and run, assault, child abuse, and rape.
Blood stains
Used for DNA extraction and establishes the paternity test.
Blood stains
The search for the presence of blood at a crime scene is normally done by close visual examination
Physical Examination
Bright in color, turns to brown and black after some time
Fresh stains
Removed in scales due to the presence of fibrin
Ante-mortem blood stains
Changes in powdered on removal
Post-mortem blood stain
Sensitive test for presence of blood (urine/feces) based on the production of blue color upon contact with a solution of benzidine, hydrogen peroxide, glacial acetic acid
Benzidine Test
The stool guaiac test looks for hidden (occult) blood in a stool sample
Guaiacum Test ( Van Deen’s or Schonbeim’s test)
