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STEM Lab Safety and EDP Review

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

Which EDP step is most important for identifying lab hazards?

a)

Ask

b)

Imagine

c)

Create

d)

Test

2.

Why is the Ask step important for safety?

a)

It is when prototypes are built

b)

It gathers information about risks before designing

c)

It tests solutions

d)

It reports final results

3.

Which EDP step focuses on brainstorming safer procedures for VOC-emitting 3D printers?

a)

Ask

b)

Imagine

c)

Plan

d)

Improve

4.

Designing safer 3D-printer procedures primarily requires engineers to:

a)

Ignore VOC data

b)

Modify environment and workflow

c)

Increase print speed

d)

Remove ventilation

5.

Hidden hazards like ultrafine particles are more dangerous because they:

a)

Smell bad

b)

Are easier to detect

c)

Cause damage before being noticed

d)

Only affect machines

6.

Immediate hazards differ from hidden hazards because they:

a)

Have slower health effects

b)

Are visible or quickly noticeable

c)

Do not require PPE

d)

Occur only outdoors

7.

OSHA is mainly responsible for:

a)

Protecting the environment

b)

Regulating workplace safety

c)

Setting international standards

d)

Testing product quality

8.

The EPA’s primary concern is:

a)

Worker salaries

b)

Environmental protection

c)

Robotics standards

d)

Product durability testing

9.

ISO standards focus on:

a)

U.S. workplaces only

b)

Global quality and safety systems

c)

Fire protection only

d)

Laboratory ventilation

10.

UL certification ensures:

a)

Products meet safety testing requirements

b)

The workplace is OSHA-compliant

c)

Employees wear PPE

d)

All environmental rules are followed

11.

Which agency has the greatest long-term impact on workplace safety?

a)

OSHA

b)

EPA

c)

ISO

d)

UL

12.

An SOP improvement plan for chemical exposure during laser cutting should include:

a)

Removing ventilation

b)

Adding airflow control and fume extraction

c)

Increasing laser power

d)

Disabling PPE requirements

13.

Innovation improves PPE by:

a)

Repeating old designs

b)

Adding new materials/technology

c)

Removing comfort features

d)

Increasing weight

14.

An example of PPE innovation is:

a)

Cloth masks

b)

Elastic becoming tighter

c)

Smart respirators that monitor air quality

d)

Not wearing goggles

15.

In 3D-printing safety, ventilation is often more critical than PPE because it:

a)

Removes pollutants at the source

b)

Works only outdoors

c)

Protects only hands

d)

Replaces the need for training

16.

PPE alone may be insufficient for 3D-printer VOCs because:

a)

All PPE is optional

b)

PPE doesn’t filter ultrafine particles as effectively

c)

PPE creates heat

d)

PPE is too expensive

17.

A safer STEM lab layout should:

a)

Block exit routes

b)

Separate high-risk equipment from walkways

c)

Put all machines in one corner

d)

Remove ventilation hoods

18.

Using EDP reasoning when redesigning a lab means:

a)

Guessing the best layout

b)

Testing and improving layout decisions

c)

Ignoring hazards

d)

Skipping the Plan step

19.

Missing a hazard early in the EDP can lead to:

a)

Faster production

b)

Increased accidents and redesign costs

c)

More accurate data

d)

Better equipment longevity

20.

Failing to detect hazards early often results in:

a)

Safer prototypes

b)

Delays, injuries, and ethical violations

c)

More creativity

d)

Lower-quality PPE

21.

Societal reliance on technology increases safety needs because:

a)

Fewer people use equipment

b)

Risks scale as technology becomes widespread

c)

Technology never fails

d)

OSHA no longer applies

22.

More advanced technology requires stronger safety standards due to:

a)

More complex hidden hazards

b)

Decreased use in workplaces

c)

Simpler machinery

d)

Lack of electrical components

23.

Misunderstanding an OSHA flammable symbol could lead to:

a)

Proper storage

b)

Better PPE use

c)

Storing fuels near heat sources

d)

Following fire protocols

24.

OSHA pictograms prevent accidents by:

a)

Limiting creativity

b)

Providing universal hazard warnings

c)

Decorating the workplace

d)

Replacing training

25.

Improper PPE storage reduces productivity because:

a)

Workers have faster access

b)

PPE becomes damaged or unusable

c)

PPE becomes more durable

d)

Workers skip breaks

26.

Poor PPE storage affects safety outcomes by:

a)

Improving safety culture

b)

Increasing the chance of equipment failure

c)

Making PPE easier to find

d)

Increasing worker compliance

27.

Cultural attitudes toward safety influence:

a)

How often SOPs are rewritten

b)

Whether workers follow rules consistently

c)

The price of equipment

d)

Fire alarm volume

28.

Evidence of strong safety culture includes:

a)

Ignoring SOPs

b)

Peer reminders and accountability

c)

Removing rules

d)

Reducing training time

29.

An ethical engineer discovering a hidden hazard should:

a)

Hide the information

b)

Report and document it immediately

c)

Continue testing without changes

d)

Ignore protocol

30.

The most ethical first action when a hazard is discovered is to:

a)

Continue testing silently

b)

Notify supervisors and halt testing

c)

Disable sensors

d)

Remove evidence

31.

Emerging technologies may create new hidden hazards due to:

a)

Unexpected behaviors of new materials/electronics

b)

Decreased complexity

c)

Transparent operations

d)

Unlimited safety data

32.

New classes of hazards typically arise because:

a)

Standards evolve slowly

b)

Students stop using equipment

c)

Old tools are retired

d)

Labs use less automation

33.

Proper training is essential because:

a)

It standardizes safe behavior

b)

It replaces PPE

c)

It eliminates all mistakes

d)

It is optional

34.

Successful SOP implementation requires:

a)

Training, practice, and accountability

b)

Removing documentation

c)

Ignoring revisions

d)

Less supervision

35.

A student failing to wear goggles is best corrected by:

a)

Punishment only

b)

Removing them from class permanently

c)

Using EDP steps to find and fix the cause

d)

Ignoring the incident

36.

Using the EDP to correct unsafe PPE behavior involves:

a)

Asking why the mistake occurred

b)

Skipping the Plan step

c)

Guessing the reason

d)

Blaming others

37.

A long-term safety improvement plan should include:

a)

At least five guidelines that cover training, layout, PPE, ventilation, and emergency readiness

b)

Only cosmetic changes

c)

Removing outdated equipment labels

d)

Relying only on supervision

38.

A STEM lab safety strategy reduces risk when it:

a)

Combines environmental, behavioral, and engineering controls

b)

Removes all SOPs

c)

Relies on memory only

d)

Avoids maintenance

39.

The “Improve” step of the EDP is essential because:

a)

It finalizes hazards

b)

It refines the solution to reduce risk

c)

It removes data collection

d)

It ends the safety process

40.

Ethical safety decision-making in engineering requires:

a)

Prioritizing convenience

b)

Balancing innovation with risk prevention

c)

Ignoring long-term impacts

d)

Limiting stakeholder input

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