Question 1

Forensic scientists rely on the presence of hemoglobin to identify which of the following biological fluids?

Accepted Answer

A)  blood
B)  urine
C)  semen
D)  salivaE) C) and D)
F) A) and B) A

Question 2

What is the analysis of biological samples to detect drugs of abuse, poisons, and alcohol known as?

Accepted Answer

A)  forensic toxicology
B)  forensic anthropology
C)  forensic biology
D)  forensic chemistryE) A) and B)
F) A) and D)

Question 3

How long has science played a role in criminal investigations?

Accepted Answer

A)  50 years
B)  100 years
C)  hundreds of years
D)  since the television show CSI first airedxE) None of the above
F) C) and D)

Question 4

Which of the following is a radial diffusion test to detect the presence of saliva?

Accepted Answer

A)  ring precipitin
B)  crossover electrophoresis
C)  starch iodine test
D)  immunochromatographyE) A) and C)
F) B) and C)

Question 5

The principle of commercially available ELISA test kits is based on

Accepted Answer

A)  antigens diffusing through an agarose gel
B)  oxidase activity of an enzyme
C)  competitive binding of antigens to antibodies
D)  antigens migrating through an electric fieldE) None of the above
F) A) and B)

Question 6

What is the most common biological fluid encountered at a crime scene?

Accepted Answer

A)  blood
B)  urine
C)  semen
D)  salivaE) C) and D)
F) A) and D)

Question 7

The presence of urea and creatinine is an indicator that the collected stain is which of the following biological fluids?

Accepted Answer

A)  blood
B)  semen
C)  saliva
D)  urineE) C) and D)
F) B) and C)

Question 8

Which serological test is used to detect the presence of semen?

Accepted Answer

A)  urease
B)  hemoglobin
C)  prostate specific antigen
D)  starch iodineE) All of the above
F) A) and C)

Question 9

Which of the following is not a method routinely used to detect saliva?

Accepted Answer

A)  ring precipitin
B)  starch iodine test
C)  procedures testing for the digestive activity of alpha amylase
D)  immunoassays using monoclonal antibodies against human salivary alpha amylaseE) A) and B)
F) A) and C)

Question 10

Salivary alpha amylase is found in which biological fluid?

Accepted Answer

A)  semen
B)  saliva
C)  urine
D)  all of the aboveE) A) and D)
F) B) and D)

Question 11

Methods used to detect the presence of prostate specific antigen include which of the following?

Accepted Answer

A)  electrophoresis
B)  Ouchterlony
C)  immunochromatographic sandwich assay
D)  all of the aboveE) B) and C)
F) A) and B) D

Question 12

Which of the following procedures could be used to determine whether blood found at a crime scene is that of the victim or the family dog?

Accepted Answer

A)  ring precipitin
B)  crossover electrophoresis
C)  both A and B
D)  none of the aboveE) None of the above
F) All of the above

Question 13

Which of the following is not an advantage of using biochip arrays in forensic toxicology?

Accepted Answer

A)  reduced testing time
B)  only one drug from a single sample analyzed
C)  high throughput analysis
D)  small sample size requiredE) None of the above
F) A) and B)

Question 14

Who is known as the father of toxicology?

Accepted Answer

A)  Alphonse Bertillon
B)  Dr. Karl Landsteiner
C)  Mathieu Orfila
D)  Sherlock HolmesE) A) and B)
F) C) and D)

Question 15

Which of the following is not an immunoassay to detect drugs or drug metabolites in biological specimens?

Accepted Answer

A)  radioimmunoassay
B)  protein immunoassay
C)  enzyme linked immunosorbent assay
D)  fluorescence polarization immunoassayE) B) and C)
F) A) and B)

Question 16

For what branch of forensic science is immunological procedure used for the identification of bodily fluids as well as foreign substances in the body?

Accepted Answer

A)  serology
B)  anthropology
C)  physics
D)  psychologyE) B) and D)
F) All of the above

Question 17

What is the most common assay type used for drug screening?

Accepted Answer

A)  radioimmunoassay
B)  agglutination
C)  electrophoresis
D)  ELISAE) B) and D)
F) C) and D) D

Question 18

The analysis of evidence to detect the presence of biological fluids such as blood, semen, and saliva is referred to as what?

Accepted Answer

A)  forensic odontology
B)  forensic biology
C)  forensic psychiatry
D)  forensic toxicologyE) A) and C)
F) C) and D)

Question 19

To which electric charge are samples and antiserum added to wells in an agarose gel o obtain a precipitin line?

Accepted Answer

A)  ring precipitin
B)  ELISA
C)  radioimmunoassay
D)  crossover electrophoresisE) A) and D)
F) B) and D)

Question 20

Why is Dr. Karl Landsteiner important in the field of forensic serology?

Accepted Answer

A)  identifying semen
B)  identifying the A, B, O blood group antigens
C)  developing the PSA test
D)  identifying red blood cellsE) A) and B)
F) All of the above

Exam 21: Forensic Serology

Forensic scientists rely on the presence of hemoglobin to identify which of the following biological fluids?

Correct AnswerverifiedA

What is the analysis of biological samples to detect drugs of abuse, poisons, and alcohol known as?

Correct AnswerverifiedShow Answer

How long has science played a role in criminal investigations?

Correct AnswerverifiedShow Answer

Which of the following is a radial diffusion test to detect the presence of saliva?

Correct AnswerverifiedShow Answer

The principle of commercially available ELISA test kits is based on

Correct AnswerverifiedShow Answer

What is the most common biological fluid encountered at a crime scene?

Correct AnswerverifiedShow Answer

The presence of urea and creatinine is an indicator that the collected stain is which of the following biological fluids?

Correct AnswerverifiedShow Answer

Which serological test is used to detect the presence of semen?

Correct AnswerverifiedShow Answer

Which of the following is not a method routinely used to detect saliva?

Correct AnswerverifiedShow Answer

Salivary alpha amylase is found in which biological fluid?

Correct AnswerverifiedShow Answer

Methods used to detect the presence of prostate specific antigen include which of the following?

Correct AnswerverifiedD

Which of the following procedures could be used to determine whether blood found at a crime scene is that of the victim or the family dog?

Correct AnswerverifiedShow Answer

Which of the following is not an advantage of using biochip arrays in forensic toxicology?

Correct AnswerverifiedShow Answer

Who is known as the father of toxicology?

Correct AnswerverifiedShow Answer

Which of the following is not an immunoassay to detect drugs or drug metabolites in biological specimens?

Correct AnswerverifiedShow Answer

For what branch of forensic science is immunological procedure used for the identification of bodily fluids as well as foreign substances in the body?

Correct AnswerverifiedShow Answer

What is the most common assay type used for drug screening?

Correct AnswerverifiedD

The analysis of evidence to detect the presence of biological fluids such as blood, semen, and saliva is referred to as what?

Correct AnswerverifiedShow Answer

To which electric charge are samples and antiserum added to wells in an agarose gel o obtain a precipitin line?

Correct AnswerverifiedShow Answer

Why is Dr. Karl Landsteiner important in the field of forensic serology?

Correct AnswerverifiedShow Answer

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