Module overview
Section 4 of 6 · Open sections

Required section · Section 4 of 6

Scoring and sequencing the 16:40 findings

Prioritize each finding by the harm it can cause now and who can be exposed—not by a universal priority. The uncapped blade and overfilled sharps container can injure the next person immediately. A damp walkway must be controlled before anyone crosses it. The power-strip and ladder findings need prompt correction before they create their own exposure.

The damp walkway is on a through-route. Barricade or correct it before crossing; do not defer control because it was assigned a particular priority.

The daisy-chained strip is a fire and shock hazard. Remove it from service and arrange safe correction; do not rely on a priority threshold to decide when action is needed.

The ladder-use finding requires immediate correction of the unsafe practice and a safe access method before the task resumes.

Priority follows immediate harm and exposure: control hazards that can reach someone now, including the walkway before crossing it; then correct conditions that can create the next exposure. The blade is handled with a holder or forceps and the overfilled container is replaced under facility procedure.

Use this reasoning for any walk-through: immediate harm and exposure determine urgency. The five findings are a case aid, not a universal priority system.

An active exposure that could reach the next person who walks by outranks a hazard that only becomes active if someone acts unsafely again, and both outrank a hazard that has already stopped.

Illustrative drawing — this picture was drawn rather than captured.

Comparison chart of the five walk-through findings showing that the blade and overfilled sharps container require immediate control, the damp walkway is controlled before crossing, and the electrical and ladder hazards require prompt correction without a numeric threshold.
Figure 1Five walk-through findings compared by immediate harm and exposure, not a universal priority threshold.
Immediate-harm and exposure reasoning for the five walk-through findings.
FindingDecisionReasoning
Uncapped microtome bladeControl based on immediate harm and exposureActive percutaneous exposure to the next person at that station
Overfilled sharps containerControl based on immediate harm and exposureActive bloodborne exposure, existing control has failed
Damp walkway near reagent shelfControl based on immediate harm and exposureSame-shift fall risk on a through-route, needs a person to cross it
Daisy-chained power stripControl based on immediate harm and exposureReal fire/shock hazard, not actively arcing at time of observation
Top-cap ladder useControl based on immediate harm and exposureBehavior already stopped, coaching item rather than active hazard

Knowledge checks

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Knowledge check 1

From the 16:40 walk-through, which findings present an active exposure risk to the next person who reaches the area, independent of anyone acting unsafely again?

Choose at least 2 options.

Knowledge check 2

A technologist cannot reach a high shelf and considers standing on the top cap of a two-step ladder. What does OSHA's ladder rule say about this?

Choose one option.

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