Which direction was the blood traveling in the following photo?
Blood that was once present in the sink and washed away can be detected using _____________.
Identify and match the forces affecting blood spatter to their proper descriptions.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
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 |
Identify the various bloodstain patterns shown in the photograph.

Satellites occur when a droplet of blood strikes a surface, _____.
During the walk-through of a crime scene, an investigator would consider the possibility that _____.
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.
why would you package any blood evidence in a plastic bag. that's indecent
(drag this item to the plastic bag category)
liquid blood evidence
dried blood on a sock
wet bloodstain on a pillowcase
sealed plastic container
paper bag
plastic bag
Match the blood spatter/nonspatter photos to their correct names.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
| arrow_right_alt | cast-off | |
| arrow_right_alt | saturation | |
| arrow_right_alt | void | |
| arrow_right_alt | drip trail | |
| arrow_right_alt | swipe |
White blood cells are responsible for the antigen-antibody response.
Blood consists of three components of circulating connective tissue, red blood cells, white blood cells, and platelets suspended in plasma.
CSI's utilize the string method in order to estimate the area of convergence.
Match the pictures to the blood test best associated with it.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
| arrow_right_alt | Kastle-Meyer reagent | |
| arrow_right_alt | Luminol test | |
| arrow_right_alt | ELISA test |
Which of the following can be used to estimate the area of origin? (Select all that apply):
Examine the 9 blood droplets. Which 3 drops struck the surface farthest from a 90-degree angle?

Below is an illustration of white and red blood cells. Select the type of cell that can provide individual evidence.
