Biomed EOC Practice Questions and Answers
Name five pieces of evidence that might be obtained at a crime scene that could help solve the
crime - ANSWER - hair
- blood
- fingerprints
- digital evidence
- DNA(from blood)
What is the difference between manner of death and cause of death?(1.2.1) - ANSWER Manner
of death= natural, accidental or homicide
cause of death = reason someone dies, (disease or injury)
Name all four bases of DNA, which bases are structurally similar to one another - ANSWER
Adenine =purine
Thymine =pyrimidine
Cytosine= pyrimidine
Guanine =purine
Which base is not present in RNA - ANSWER THYMINE ( T ) it is replaced with URACIL ( U )
What do restriction enzymes do? - ANSWER cut DNA at specific sites
What is the purpose of gel electrophoresis? - ANSWER Separate DNA fragments, so DNA can
be analyzed
What way does DNA run on the gel? - ANSWER Positive because DNA is negative charge
, Negative to positive
What is an RFLP? How is it used in DNA analysis. - ANSWER Restriction fragment, length,
polymorphism, different lengths of DNA fragments run through gel electrophoresis
What does PCR stand for? What is the purpose of PCR? - ANSWER Polymerous chain reaction
produce millions of copies of DNA from a small amount to analyze
What is the difference between presumptive and confirmatory test? - ANSWER Presumptive=
initial tests that "suggests"
confirmatory= confirms substance
Platelets - ANSWER Thrombocytes - assist in clotting
Red blood cells - ANSWER Erythrocytes,- transport, nutrients oxygen in remove waste
White blood cells - ANSWER Leukocytes -immune system
Plasma - ANSWER Liquid portion of blood- allows cells, sugar, amino acid, hormones, etc. to
travel
Hemoglobin - ANSWER Protein that binds to oxygen for transport
Hematocrit - ANSWER Proportion of red blood cells in the blood to total blood volume
What type of blood is the universal donor? - ANSWER O
Why can't people with type AB blood except any other blood type? - ANSWER They don't have
Name five pieces of evidence that might be obtained at a crime scene that could help solve the
crime - ANSWER - hair
- blood
- fingerprints
- digital evidence
- DNA(from blood)
What is the difference between manner of death and cause of death?(1.2.1) - ANSWER Manner
of death= natural, accidental or homicide
cause of death = reason someone dies, (disease or injury)
Name all four bases of DNA, which bases are structurally similar to one another - ANSWER
Adenine =purine
Thymine =pyrimidine
Cytosine= pyrimidine
Guanine =purine
Which base is not present in RNA - ANSWER THYMINE ( T ) it is replaced with URACIL ( U )
What do restriction enzymes do? - ANSWER cut DNA at specific sites
What is the purpose of gel electrophoresis? - ANSWER Separate DNA fragments, so DNA can
be analyzed
What way does DNA run on the gel? - ANSWER Positive because DNA is negative charge
, Negative to positive
What is an RFLP? How is it used in DNA analysis. - ANSWER Restriction fragment, length,
polymorphism, different lengths of DNA fragments run through gel electrophoresis
What does PCR stand for? What is the purpose of PCR? - ANSWER Polymerous chain reaction
produce millions of copies of DNA from a small amount to analyze
What is the difference between presumptive and confirmatory test? - ANSWER Presumptive=
initial tests that "suggests"
confirmatory= confirms substance
Platelets - ANSWER Thrombocytes - assist in clotting
Red blood cells - ANSWER Erythrocytes,- transport, nutrients oxygen in remove waste
White blood cells - ANSWER Leukocytes -immune system
Plasma - ANSWER Liquid portion of blood- allows cells, sugar, amino acid, hormones, etc. to
travel
Hemoglobin - ANSWER Protein that binds to oxygen for transport
Hematocrit - ANSWER Proportion of red blood cells in the blood to total blood volume
What type of blood is the universal donor? - ANSWER O
Why can't people with type AB blood except any other blood type? - ANSWER They don't have
