Forensics: Blood Quiz
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
Name the test used to identify blood as being human.
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
if you have A+ blood, to whom can you donate?
A. A+, A-, AB+, AB-
B. A+, AB+, O+
C. AB+, A+
another name for coagulation
What is the best method for finding blood when first encountering a crime scene?
A. precipitan test
B. alternative light source
Which word does NOT belong?
C. white blood cells
D. carries oxygen
Which word does not relate to a presumptive test?
C. color change
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
Which are the most abundant cells in our body?
Another word for clumping
A type of blood stain created by the force of gravity as drops or blood pools
Where are blood cells made?
A. bone marrow
Which test is used to identify human blood?
another name for red blood cells
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
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.
A. white blood cells
B. red blood cells
What is another name for an infectious agent?
If you have B blood, that means you have ___ antigens and ___ antibodies.
A. A, B
B. B, A
C. AB, O
D. O, AB
Who is the universal blood donor?
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