Forensics final

Which of the following is not necessary to have a fire?

Accelerant

Which of the following is not evidence of the point of origin of a fire?

Burned bed clothing/clothes (sheets)

In a low explosive, oxygen is:

Physically mixed with the fuel

The Griess Test:

It reacts with nitrates and nitrites

The activation energy needed to start a fire is used to:

Break up molecular oxygen into atoms

A person with O blood can give to:

Anyone

A person with O blood can receive from

O Blood

Type B blood contains type ____ antibodies

A antibodies

Which is the most common blood type?

O

Which is the least common blood type?

AB

Which of the following is not a component of the CODIS system?

Misdemeanor offenses

Biological evidence should be stored in breathable containers to prevent degradation?

True

Which of the following is not a manner of death?

Heart attack

Settling of the blood due to the lower parts of the body after death is called:

Livor mortis

Analysis of blood and body fluids to determine whether drugs or poisons contributed to the death is a part of:

Clinical pathology

Which of the following is not a duty of a pathologist who attends a crime scene when a body is discovered?

Begin autopsy

When someone has been poisoned by carbon monoxide, the main pattern of inquiry is:

Red coloration of the skin

When someone has been killed by a contact shot, the areas around the wound shows:

Blackening and swelling

Which of the following circumstances surrounding a death would be least likely to be investigated by a medical examiner or coroner?

Heart Attack

What is a radial loop?

A fingerprint pattern (loop) that opens towards the thumb side of the hand

Tire impressions are important because:

Tell us the direction that the individual went to

Rifling of a barrel refers to:

The grooves made from the barrel

Which markings will not be found on a cartridge casing fired from a revolver?

Extractor markings

Which of the following is a class characteristic of a fired bullet or cartridge casing?

The number of lands and grooves

IAFIS is:

Type of automated searching system for fingerprints

Three-dimensional footwear evidence can be preserved by:

Casting

Different type of whorl patterns (answer is the one not given):

Double loop whorl, accidental whorl, central pocket loop whorl

Which of the following is true of distance-of-firing determinations of shotguns?

The same ammunition and same shotgun

Which of the following is true about the stria in the barrel of the gun?

They are made by the tool that makes the barrel

Which of the following is true about serial number restoration?

Serial numbers are always restorable.

What is the purpose of forensic testimony?

Relay facts in a forensic discipline, to assist with explaining evidence, for the jury to hear someone credible from the field.

Which of the following should not be done in court?

Chew gum, Lie, Tackle the judge

How should we dress for the courtroom?

Formal, business attire

True or False, saying 'I don’t know' when giving a testimony is not allowed?

False

True or False, The purpose of the state is to prove beyond a reasonable doubt that your guilty.

True

True or False, The purpose of the defense is to show reasonable doubt and to cast uncertainty about evidence presented?

True

True or False, You may speak about other forensic disciplines when giving testimony since all forensic fields are the same.

False

True or False, When giving testimony, you may lie if you don’t remember all the facts.

False

True or False, The purpose of a crime scene report is to refresh your memory on the scene details.

True

True or False, When receiving a subpoena for court, it is optional to attend.

False

True or False, A subpoena for court is received a few days after the incident.

False

True or False, You are allowed to argue with the judge if you don’t agree with the way you are being treated.

False

True or False, A forensic engineer can assist with determining the cause of death.

False

True or False, the ballistics lab can determine if casings were fired from the gun recovered on scene.

True

What is cross-examination?

When you are questioned by the opposing counsel.

What is cross-contamination?

Contaminating two samples of DNA.

What is direct questioning?

Questioned by the person that brought you in.

Why is credibility important for court?

So the jury can hear an expert speak on the article of evidence.

Why is the polygraph not admissible in court?

The results may vary.

What does the polygraph test you for?

Tests you for body reactions.