Unit 2 Ch. 12 Death Investigation test 2024

Front

What is rigor mortis?

Back

Rigor mortis is the postmortem stiffening of the muscles due to chemical changes in the body, primarily caused by the accumulation of lactic acid.

Front

What chemical causes rigor mortis?

Back

Lactic acid.

Front

What are the signs of decomposition after several days?

Back

Skin slippage, putrefaction, abdominal swelling, marbling, loss of rigor mortis, and increased insect activity.

Front

What is the typical time frame for decomposition signs to appear?

Back

After several days.

Front

Which factor does not affect the rate of decomposition?

Back

Natural biome (bacteria present) of the body.

Front

What is the role of a coroner?

Back

A coroner can issue death certificates but cannot perform autopsies.

Front

What is the difference between a coroner and a medical examiner?

Back

A coroner is an elected official who may not have medical training, while a medical examiner is a licensed physician who performs autopsies.

Front

What is the normal body temperature in degrees Celsius?

Back

37 degrees Celsius.

Front

What is putrefaction?

Back

Putrefaction is the process of decay or rotting in a body, typically characterized by the breakdown of tissues and the release of gases.

Front

What is marbling in the context of decomposition?

Back

Marbling refers to the discoloration of the skin due to the breakdown of blood vessels and the pooling of blood in the tissues.