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PBS 1.2.2 Time of Death

Total questions: 15

Worksheet time: 23mins

Name
Class
Date
1.

This occurs 2-4 hours after death, where the blood pools due to gravity. The area affected is a bluish-red color.

a)

rigor mortis

b)

algor mortis

c)

livor mortis

2.
The cooling of body temperature after death is:
a)
algor mortis
b)
livor mortis
c)
rigor mortis
d)
pallor mortis
3.

The process that causes the muscles in the body to stiffen resulting in rigidity after death is called

a)

algor mortis

b)

rigor mortis

c)

livor mortis

4.

A cold environment causes algor mortis to occur

a)

faster

b)

slower

5.

What are the life stages of maggots called?

a)

Pupations

b)

Metamorphoses

c)

Instars

d)

Generations

6.

In an experiment, the _______ group is the group that serves as the baseline for comparison.

a)

experimental

b)

control

c)

independent

d)

dependent

7.

Anna Garcia died _____ hours ago. (98.4 - rectal temperature / 1.5 = hours since death and rectal temperature was 78.2)

a)

10

b)

12

c)

13.5

d)

14.5

8.

This career uses insect life cycles to determine time of death.

a)

Forensic Techician

b)

Forensic Toxicologist

c)

Forensic Entomologist

d)

Biomedical Scientist

9.

The body loses how many degrees per hour after death

a)

1.5 °F

b)

2 °F

c)

3 °F

d)

4 °F

10.

When does rigor mortis fade?

a)

within 36 to 48 hours

b)
within 7 days
c)

after 72 hours

d)
within 1 hour
11.

When does decomposition begin?

a)

36-48 hours after death

b)

2-4 hours after death

c)

12 hours after death

d)

5 days after death

12.

What causes decomposition?

a)
Gravity, friction, and inertia
b)
Chemical reactions, heat, and pressure
c)
Photosynthesis, respiration, and transpiration
d)

Bacteria break down tissue & release gas

13.

What is a "body farm"?

a)
A farm where bodies are grown for food.
b)
A farm where bodies are preserved for display.
c)
A farm where bodies are used for medical experiments.
d)
A research facility studying human body decomposition.
14.

Fly larvae are also known as what?

a)
beetles
b)
worms
c)
maggots
d)
caterpillars
15.

Reorder the following

a)

Adult fly lays eggs

b)

Eggs hatch and larvae emerge (First Instar)

c)

First Instar larvae molt and the Second Instar larvae emerges

d)

Second Instar larvae molt and Third Instar larvae emerge

e)

The Third Instar larvae molt and pupa emerge. The adult fly emerges 12-15 hours later.

1)
2)
3)
4)
5)