FREE SCIENCE AND STUDY GAMES ABOUT FORENSICS

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FREE SCIENCE AND STUDY GAMES ABOUT FORENSICS

REVIEW SE1 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -80 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: What are the 3 classes of natural fibers. Name 5 natural fibers.

Answer:

Proteins, Cellulose or Vegetable, or Mineral.

Cotton, silk, wool, cashmere, mohair.

Question 2: How should you collect clothing at a crime scene?

Answer:

Usually collected in paper bags, labeled, and have chain of custody.Question 3: Why do you think we collect over 50 head hairs from a control sample?

Answer:

So that we have a representative sample. Hairs from same head can have structural differences.Question 4: In Daubert vs. Dow, what must scientific evidence have in order to be admissible in Court?

Answer:

Theory or technique has been tested, science has been offered for peer review, rate of error is acceptable, method enjoys widespread acceptance, and opinion is relevant to the issue.

Question 5: Which form first: radial fractures or concentric fractures? Explain why.

Answer:

Radial fractures because they are from the initial impact or on the opposite side of the force.

Question 6: What is direct evidence?

Answer:

Eyewitness testimony, also called prima facie.Question 7: If a victim had dyed their hair and the dyed part was 2 cm from the root, how long had it been since the victim dyed their hair.

Answer:

• months. Hair grows 1 cm/ month.

Question 8: What are physical characteristics or properties of glass?

Answer:

Amorphous solid, brittle, hard, made of silica and oxides

Question 9: Why must a chain of custody be maintained for the evidence?

Answer:

So there is a record of where and who has touched the evidence. Without this, the evidence might not be admitted in court.

Question 10: What does the Miranda Warning include?

Answer:

Rights for suspects.

Question 11: Are fibers class or individual evidence? Why?

Answer:

Class. Fibers are too common to be individual.Question 12: If a crime scene investigator takes photos of a crime scene, should he also take notes or make a sketch. Why or why not?

Answer:

Yes, so that there is a scale to go along with the photos.

Question 13: How does bulletproof glass differ from ordinary glass?

Answer:

Has 2 layers of thick glass and often a plastic layer inbetween.Question 14: How should glass evidence be collected, processed, and handled in a crime scene investigation?

Answer:

Different types of glass separated, labeled, and put in separate rigid containers like a box.

Question 15: What is testimonial evidence?

Answer:

Eyewitness testimony, statement made under oath, also called prima facie.

Question 16: What is the immersion method used for and how does it work?

Answer:

Used for refractive index. Drop the glass into liquids with different refractive indexes and when it is invisible, it matches the refractive index of that liquid.Question 17: How many characteristics are sufficient to meet criteria of individuality?

Answer:

8_ to _12___

Question 18: What can be determined from microscopic examination of hair?

Answer:

If it is human or animal.

Question 19: What type of fingerprint would be left on skin?

Answer:

Latent

Question 20: What is the outer layer of the hair shaft? Describe it.

Answer:

It is the cuticle. Has scales. It is the protective covering.

Question 21: Name, describe, and (sketch) the five medulla patterns.

Answer:

Intermittent, fragmented, continuous, absent, and stacked.

Question 22: What is the middle layer of the hair shaft? Describe it.

Answer:

The center of the hair is called the medulla. It can be a hollow tube, or filled with cells. In some people the medulla is absent, in others it is fragmented, or segmented, and in others it is continuous or even doubled.Question 23: Is Crime scene evidence class or individual or can it be both? Why?

Answer:

It can be either depending on the circumstances and type of evidence found.

Question 24: What are the 7 ways to test fibers for identification?

Answer:

Microscope, burning, thermal decomposition, chemical tests, density, refractive index, and fluorescence.Question 25: Describe five different ways to distinguish between different pieces of glass evidence?

Answer:

Density, refractive index, fluorescence, color, thickness,markings.

Question 26: What makes evidence class evidence instead of individual?

Answer:

It cannot link a suspect to a crime with certainty but can exonerate individuals.

Question 27: What is backscatter?

Answer:

Glass projected backwards and might be found on the suspect.

Question 28: What type of crime is homicide, rape, and arson?

Answer:

Felony