Forensics First Semester Review with Toxicology

Front

What type of bags should biological evidence be secured in?

Back

Biological evidence should be secured in paper bags, not plastic bags, to prevent moisture accumulation.

Front

What are the characteristics of most narcotics?

Back

Most narcotics are physically addicting, act as depressants to the central nervous system, and serve as pain relievers.

Front

How many hours after death does rigor mortis peak?

Back

Rigor mortis peaks approximately 12 hours after death.

Front

Which of the following is a permanent postmortem change?

Back

Livor mortis is the permanent postmortem change.

Front

What is autolysis?

Back

Autolysis is the spontaneous breakdown of cells as they self-digest.

Front

Define rigor mortis.

Back

Rigor mortis is the stiffening of muscles after death due to chemical changes in the body.

Front

What is livor mortis?

Back

Livor mortis is the pooling of blood in the lowest parts of the body after death, leading to a purplish discoloration.

Front

What is algor mortis?

Back

Algor mortis is the cooling of the body after death.

Front

What role do narcotics play in the central nervous system?

Back

Narcotics act as depressants in the central nervous system, slowing down brain activity.

Front

What is the significance of understanding postmortem changes?

Back

Understanding postmortem changes helps forensic scientists estimate the time of death and the circumstances surrounding it.