Forensics: Blood Quiz
What is another name for an infectious agent?
A type of blood stain created by the force of gravity as drops or blood pools
if you have A+ blood, to whom can you donate?
A. A+, A-, AB+, AB-
B. A+, AB+, O+
C. AB+, A+
What is the best method for finding blood when first encountering a crime scene?
A. precipitan test
B. alternative light source
Who is the universal blood donor?
Another word for clumping
Whose blood can you receive if you have type B- blood?
A. AB-, O-,
B. B-, O-
C. AB-, AB+, B+, B-
D. all blood types
another name for coagulation
Where are antigens found?
A. on the surface of red blood cells
B. in the plasma
C. on white blood cells
D. on the surface of platelets
A. white blood cells
B. red blood cells
Which are the most abundant cells in our body?
Which is true?
A. blood type is individual evidence
B. as the height of a drop increases, the diameter decreases
C. the tail on a blood droplets points to where it originated (the source)
D. a drop would get more elongated as the angle of impact decreases
Which test is used to identify human blood?
Which is the best way to store/package a blood sample?
A. store at high temperatures
B. store it wet
C. keep in intense light
D. dry sample first
Which word does not relate to a presumptive test?
C. color change
another name for red blood cells
Where are blood cells made?
A. bone marrow
Which word does NOT belong?
C. white blood cells
D. carries oxygen
Name the test used to identify blood as being human.
Which test can detect blood that has been diluted 300,000 times?
B. gel diffusion
Calculate the angle of impact if a blood stain has a width of 1.1 cm and a length of 2.0 cm.
If you have B blood, that means you have ___ antigens and ___ antibodies.
A. A, B
B. B, A
C. AB, O
D. O, AB
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