Test Bank for Forensic Biology, 2e

Test Bank for Forensic Biology, 2e Richard Li

Chapter 1 Crime Scene Investigation of Biological Evidence

(a single correct answer for each question)

1 Dried blood evidence should be packed in a:

(a) Paper bag (b) Plastic bag (c) Glass jar (d) Tin can

2 A wet bloody shirt should be:

(a) Packed as soon as possible (b) Air dried prior to packing (c) Air dried and not packed (d) Dried with heat

3 An example of crime-scene reconstruction is:

(a) Re-enactment (b) Re-creation (c) Criminal profiling (d) None of the above

4 In the FTA method:

(a) The DNA stays on the paper (b) The DNA does not stay on the paper

• Which of following is true?

(a) The crime scene search patterns are only used for outdoor scenes (b) The crime scene search patterns are only used for indoor scenes (c) The systematic search patterns could be substituted by experience (d) None of the above

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• Which of the following is true?

(a) To prevent immediate loss of potential evidence, a warrantless search is justified (b) To prevent immediate loss of potential evidence, a warrantless search can be conducted but the evidence is not admissible in court.

7 A chain of custody record includes:

(a) Every individual who handled the evidence (b) Every individual from law enforcement agencies who handled the evidence

8 Which of following is true for crime-scene reconstructions:

(a) The event prior to a crime (b) The event during a crime (c) The event subsequent of a crime (d) All of the above

• Which of the following is true for fingernail scrapings?

(a) Separating left and right nails (b) Combining left and right nails, if no defense wound is observed (c) All of above (d) None of above

10 Which of the following is not a commonly encountered pathogen?(a) HIV (b) Hepatitis virus (c) Mycobacterium tuberculosis (d) Diabetes mellitus

11 Dried bloodstains may be collected by:

(a) Cutting out a stain (b) Scraping a stain (c) Tape lifting a stain (d) All of the above

12 What is the most proper definition of corpus delicti in forensic science?(a) Body in a death investigation (b) Physical evidence demonstrated that a crime has occurred (c) Criminal motive (d) Criminal behavior

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13 A forensic examination process including examination of biological evidence follows a basic sequence of steps. Which of the following lists the correct sequence?(a) Recognition, identification, individualization, and reconstruction (b) Recognition, individualization, identification, and reconstruction (c) Identification, recognition, individualization, and reconstruction (d) Individualization, recognition, identification, and reconstruction

14 A photo log should include:

(a) Date of incident (b) Date and time photo taken (c) Roll number of film (d) All of the above

15 What is modus operandi?(a) Method of operation (b) Death investigation (c) Estimation time of death (d) Criminal motive

16 Locard’s theory of exchange best collaborates with which type of evidence?(a) Transfer evidence (b) Conditional evidence (c) Associative evidence (d) None of the above

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Chapter 2 Crime Scene Bloodstain Pattern Analysis

(a single correct answer for each question)

• A blood stain pattern where the majority of drops of blood are not broken

into smaller droplets is likely caused by:

(a) High velocity impact spatters (b) Medium velocity impact spatters (c) Low velocity impact spatters (d) All of above

2 As the distance falling increases, the diameter of a bloodstain usually:

(a) Stays the same (b) Increases (c) Decreases (d) None of the above

• What would commonly produce a flow pattern?

(a) Postmortem disturbance (b) Movement of the body (c) A and B

4 Forward spatter patterns from shootings are:

(a) Originated from perforating wounds (b) Originated from entrance wounds

• Which of the following affects blood spatter patterns

(a) Surface texture (b) Surface resilience (c) Surface porosity (d) All of above

• A weapon striking pooled blood causes it to fly out in

(a) A trail pattern (b) A contact-transfer pattern (c) A radial spatter pattern (d) An arc pattern (cast-off)

• A pattern formed by swinging a blood-covered weapon is

(a) A trail pattern

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