Scene documentation lab
Fri, Sep 11, 2026 · Week 3 · Principles of Biomedical Technology (Principles of Biomedical Science)
Today's goal: Document a mock crime scene to SOP standard and examine trace evidence under magnification with a team.
This is a model of the work you should turn in today. Use it to check your own: match the structure and the level of detail, do not copy it. Your data and wording should be your own.
Roles: Maria (photographer), Andre (sketcher), Lin (logger).
Photo: One overhead photo includes a ruler for scale and a label reading North.
Sketch: Scaled room sketch with a compass arrow and the table measured at 120 cm wide.
Evidence log:
- Item 1: blue fiber near table leg, bagged and sealed, logged at 10:14
- Item 2: single hair on chair, bagged and sealed, logged at 10:21
Microscopy: Blue fiber sketched at 40x (smooth, uniform width) and at 100x (twisted strands visible).
Contamination risk: A team member leaned over the table, so a stray hair could have dropped onto the scene. We noted this so it can be ruled out later.
| Item | Description | Collected | Logged time |
|---|---|---|---|
| 1 | Blue fiber by table leg | Forceps, sealed bag | 10:14 |
| 2 | Single hair on chair | Forceps, sealed bag | 10:21 |
This model shows the level of evidence and organization needed to complete: A team packet documenting a mock scene to SOP standard, including a scaled photo, a scaled sketch, an evidence log, and microscopy sketches of a trace sample at two magnifications.
- State the question and method.
- Present the observations and data with units.
- Explain the result, limitations, and next investigation.
Keep the structure. Replace the question, facts, measurements, and evidence. Then recheck units, vocabulary, and whether the conclusion goes beyond the evidence.
Also due today: Submit the team scene packet as a shared document; each member notes their role on the cover page.
Claim ceiling: Today's evidence supports a classroom claim about scene documentation lab. It cannot prove causation, diagnose a real patient, or justify action outside this room.
One exam-style question that uses exactly what you practiced today. Try it before you reveal the answer, then read why each choice is right or wrong.
Tap an answer to see the full explanation. Nothing is recorded or graded.
It builds this reusable test skill: Including scale and magnification so scene documentation can be interpreted later.
- Name the concept or data pattern being tested.
- Cross out choices that violate that rule or the evidence.
- Justify the best remaining choice before checking the answer.