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Death
Death - manner, cause, mechanism
| Question | Answer |
|---|---|
| Which occupation performs the autopsy? | medical examiner |
| Which occupation must be a doctor? | medical examiner |
| Which occupation is elected or appointed to office? | coroner |
| What do the initials PMI represent? | postmortem interval |
| What does PMI mean? | The amount of time between death and discovery of the body |
| How is murder defined? | one person takes the life of another |
| How is suicide defined? | a person ends their own life |
| How is natural death defined? | A person dies from natural causes such as old age or disease |
| How is an accidental death defined? | a person’s death is due to an accident |
| Why would a manner of death be labeled unknown or undetermined? | The body is so decomposed that the manner can not be figured out |
| What is the definition for cause of death? | The injury or condition that causes death |
| What is the definition for mechanism of death? | The specific change in a person’s body that results in death? |
| (Cause, manner, mechanism) Which is the first term used when discussing death? | Manner |
| (Cause, manner, mechanism) Which is the last term used when discussing death? | mechanism |
| What term describes the cooling of the body after death? | algor mortis |
| What is the rate of algor mortis under normal conditions? | 1.4 degrees F (.78 C) each hour for the 1st 12 hours 0.7 degrees (.39 C)each hour after 12 |
| If left undisturbed , what temperature will a body reach after death? | the same temperature as the surroundings |
| What is the normal temperature of a human being? | 98.6 degrees Fahrenheit (97-99 F or 37 C) |
| What does the term ambient temperature mean? | The temperature of the surroundings |
| What term describes the pooling of blood in tissues after death? | livor mortis |
| What is lividity? | The discoloration of the body after death |
| When is lividity first observable? | about 2 hours after death |
| When does lividity become permanent? | about 8 hours after death |
| What is unique about lividity 2 - 8 hours after death? | when the skin is pressed, the lividity temporarily goes away |
| What term describes a person with two different areas of lividity? | dual lividity |
| What does dual lividity tell a forensic scientist? | That the body was moved after death |
| What term describes the stiffening of the body after death? | Rigor mortis |
| How soon after death does rigor mortis set in? | about 2 hours |
| What is the common PMI for rigor mortis to be at a maximum? | 12 hours |
| Which muscles show rigor mortis first? | Small muscles |
| Which muscles relax from rigor mortis first? | small muscles |
| What is cadaveric spasm? | When the muscles lock after death. Example - hand may hold a weapon tightly |
| What element is released when live muscles relax? | calcium |
| What element builds up in muscles after death? | calcuim |
| Which element is needed for muscles to relax? | oxygen |
Created by:
lb goodlock
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