Categorize the bloodstains into their approximate angle of impact categories.
Which direction was the blood traveling in the following photo?
Identify and match the forces affecting blood spatter to their proper descriptions.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
gravity | arrow_right_alt | the attraction between molecules of like substances; gives blood a domed shape when resting on a surface |
cohesion | arrow_right_alt | the attraction between molecules of unlike substances; causes blood to cling to porous surfaces |
adhesion | arrow_right_alt | the force of attraction between the earth and another object; gives falling liquids a tear-dropped shape |
Below is an illustration of white and red blood cells. Select the type of cell(s) that can provide individual evidence.

Identify the various bloodstain patterns shown in the photograph.

Satellites occur when a droplet of blood strikes a surface, _____.
Blood consists of two components of circulating connective tissue, red blood cells and white blood cells, suspended in plasma.
Storage of liquid blood in plastic must be less than two hours to prevent contamination.
Place the items in the proper evidence collection procedure categories.
liquid blood evidence
wet bloodstain on a pillowcase
why would you package any blood evidence in a plastic bag. that's indecent
(drag this item to the plastic bag category)
dried blood on a sock
sealed plastic container
paper bag
plastic bag
Match the blood spatter/nonspatter photos to their correct names.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
| arrow_right_alt | cast-off | |
| arrow_right_alt | saturation | |
| arrow_right_alt | void | |
| arrow_right_alt | drip trail | |
| arrow_right_alt | swipe |
Mr. Ly cut his finger while cutting a guava this morning. In order to ascertain whether or not this is human blood scientists must use a(n)
Match the pictures to the blood test best associated with it.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
| arrow_right_alt | Kastle-Meyer reagent | |
| arrow_right_alt | Luminol test | |
| arrow_right_alt | precipitin test |
Which of the following can be used to estimate the area of origin? (Select 3)
Select 3 drops that struck the surface closest to 90°.

Order the following droplets from lowest impact angle (0° is lowest) to highest.
B
C
A
Use the results of each test to determine whether the blood on each suspect’s bumper is of human origin.
Select the following gel diffusion diagram(s) that show a positive reaction for human blood.
