WorksheetsAssessment | Serology & Blood Spatter
Total questions: 15
Worksheet time: 15mins
A protein in the blood that destroys or inactivates a specific antigen is called..
Erythrocytes
Antibody
Antigen
Enzyme
Where are antigens located?
Inside a red blood cell
Surface of red blood cell
In the serum of the blood
In the plasma of the blood
Which blood components are directly important to the forensics aspects of blood identification?
Hemoglobin and red blood cells
Serum and red blood cells
Platelets and white blood cells
Plasma and red blood cells
This is responsible for transporting oxygen (O2) throughout the body.
Hemoglobin in Erythrocyte
Plasma in the blood
Platelets in the blood
Leukocytes in the blood
Where are antibodies located?
Inside a red blood cell
Surface of red blood cell
In the serum of the blood
In the plasma of the blood
Type A blood contains:
A antibodies and B antigens.
both A and B antigens.
A antigens and B antibodies.
both A and B antibodies.
To determine whether a bloodstain is of human or animal origin, the serologist will perform:
Kastle-Meyer Color Test.
Benzidine Color Test.
Hemastix Strip Test.
Precipitin Test.
If blood is found to have both A and B antigens on the cell surface it is typed as:
A
B
O
AB
An individual who is type O blood has:
Neither A nor B antibodies
A antibodies
B antibodies
Both A and B antibodies
The amount of spatter from a blood droplet falling on a hard, nonporous surface (tile floor) is ________ that of a drop of blood of equal size falling from the same distance onto a softer, porous surface (index cards).
greater than
less than
the same as
Which of the following statements is false?
Dried bloodstains may tentatively be identified as blood by a Luminol test.
The Kastle-Meyer test (turns pink) is used to determine whether blood is of human origin.
The bonding of an antigen with its specific antibody causes agglutination.
All blood contains hemoglobin, which is responsible for oxygen transport.
A drop of blood that strikes a surface at an angle of impact approximately 90-degrees will be close to _______ in shape.
circular
teardrop
elliptical
elongated
At which angle did this blood drop most likely strike the surface?
approximately 90-degrees
approximately 40-degrees
approximately 20-degrees
Which direction was this blood drop traveling?
south to north
east to west
west to east
north to south
