Safety Quiz On Laboratory: Test!

1. Work areas should be kept clean and tidy.

True

False

9. Observe good housekeeping practices. Work areas should be kept clean and tidy at all times. Bring only your laboratory instructions, worksheets, and/or reports to the work area. Other materials (books, purses, backpacks, etc.) should be stored in the classroom area.

Explanation

9. Observe good housekeeping practices. Work areas should be kept clean and tidy at all times. Bring only your laboratory instructions, worksheets, and/or reports to the work area. Other materials (books, purses, backpacks, etc.) should be stored in the classroom area.

2. If you do not understand part of a direction or part of a lab procedure, you should:

Figure it out as you do the lab.

Try several methods until something works.

Ask the instructor before proceeding.

Skip it and go to the next part.

2. Follow all written and verbal instructions carefully. If you do not understand a direction or part of a procedure, ask the instructor before proceeding.

Explanation

2. Follow all written and verbal instructions carefully. If you do not understand a direction or part of a procedure, ask the instructor before proceeding.

3. Read all procedures thoroughly before entering the laboratory.

True

False

7. Be prepared for your work in the laboratory. Read all procedures thoroughly before entering the laboratory.

Explanation

7. Be prepared for your work in the laboratory. Read all procedures thoroughly before entering the laboratory.

4. If a lab experiment is not completed, you should:

Discuss the issue with your instructor.

Sneak in after school and work alone.

Bring your lunch in and finish it.

Make up some results.

2. Follow all written and verbal instructions carefully. If you do not understand a direction or part of a procedure, ask the instructor before proceeding.

3. Never work alone. No student may work in the laboratory without an instructor present.

5. Do not eat food, drink beverages, or chew gum in the laboratory. Do not use laboratory glassware as containers for food or beverages.

Explanation

2. Follow all written and verbal instructions carefully. If you do not understand a direction or part of a procedure, ask the instructor before proceeding.

3. Never work alone. No student may work in the laboratory without an instructor present.

5. Do not eat food, drink beverages, or chew gum in the laboratory. Do not use laboratory glassware as containers for food or beverages.

5. If a piece of equipment is not working properly, stop, turn it off and tell

Maintainence.

Your lab partner.

Your best friend.

Your instructor.

46. Report damaged electrical equipment immediately. Look for things such as frayed cords, exposed wires, and loose connections. Do not use damaged electrical equipment.

Explanation

46. Report damaged electrical equipment immediately. Look for things such as frayed cords, exposed wires, and loose connections. Do not use damaged electrical equipment.

6. It is okay to pick up broken glassware with your bare hands as long as it's placed in the trash.

True

False

41. Never handle broken glass with your bare hands. Use a brush and dustpan to clean up broken glass. Place broken or waste glassware in the designated glass disposal container.

Explanation

41. Never handle broken glass with your bare hands. Use a brush and dustpan to clean up broken glass. Place broken or waste glassware in the designated glass disposal container.

7. Long hair in the laboratory must be

Cut short.

Held away from the experiment with one hand.

Always neatly groomed.

Tied back and secured with some type of hair device.

25. Dress properly during a laboratory activity. Long hair, dangling jewelry, and loose or baggy clothing are a hazard in the laboratory. Long hair must be tied back and dangling jewelry and loose or baggy clothing must be secured. Shoes must completely cover the foot. No Crocs or flip flops allowed.

Explanation

25. Dress properly during a laboratory activity. Long hair, dangling jewelry, and loose or baggy clothing are a hazard in the laboratory. Long hair must be tied back and dangling jewelry and loose or baggy clothing must be secured. Shoes must completely cover the foot. No Crocs or flip flops allowed.

8. Horseplay or practical jokes in the laboratory are

Always against the rules.

Okay.

Not dangerous.

Okay if you are working alone.

1. Conduct yourself in a responsible manner at all times in the laboratory. 8. Never fool around in the laboratory. Horseplay, practical jokes, and pranks are dangerous and prohibited.

Explanation

1. Conduct yourself in a responsible manner at all times in the laboratory. 8. Never fool around in the laboratory. Horseplay, practical jokes, and pranks are dangerous and prohibited.

9. Never remove chemicals or other materials from the laboratory.

True

False

38. Never remove chemicals or other materials from the laboratory area.

Explanation

38. Never remove chemicals or other materials from the laboratory area.

10. Chipped or cracked glassware is okay to use.

True

False

45. Examine glassware before each use. Never use chipped or cracked glassware. Never use dirty glassware.

Explanation

45. Examine glassware before each use. Never use chipped or cracked glassware. Never use dirty glassware.

11. Never leave a lit burner unattended.

True

False

50. Never leave a lit burner unattended. Never leave anything that is being heated or is visibly reacting unattended. Always turn the burner or hot plate off when not in use.

Explanation

50. Never leave a lit burner unattended. Never leave anything that is being heated or is visibly reacting unattended. Always turn the burner or hot plate off when not in use.

12. After completing an experiment, all chemical wastes should be:

Left at your lab station for the next class.

Disposed of according to the lab instructions.

Dumped down the sink.

Taken home.

14. Dispose of all chemical waste properly. Never mix chemicals in sink drains. Sinks are to be used only for water and those solutions designated by the instructor. Solid chemicals, metals, matches, filter paper, and all other insoluble materials are to be disposed of in the proper waste containers, not in the sink. Check the label of all waste containers twice before adding your chemical waste to the container.

Explanation

14. Dispose of all chemical waste properly. Never mix chemicals in sink drains. Sinks are to be used only for water and those solutions designated by the instructor. Solid chemicals, metals, matches, filter paper, and all other insoluble materials are to be disposed of in the proper waste containers, not in the sink. Check the label of all waste containers twice before adding your chemical waste to the container.

13. You are heating a substance in a test tube, you should point the test tube

Toward yourself

Toward your lab partner.

Toward another classmate.

Away from all people.

51. You will be instructed in the proper method of heating and boiling liquids in test tubes. Do not point the open end of a test tube being heated at yourself or anyone else.

Explanation

51. You will be instructed in the proper method of heating and boiling liquids in test tubes. Do not point the open end of a test tube being heated at yourself or anyone else.

14. When you finish working with chemicals and other lab materials always

Treat your hands with lotion.

Wash your hands thoroughly with water.

Wipe your hands with a paper towel.

Wash your hands with germ-ex.

16. Keep hands away from face, eyes, mouth and body while using chemicals. Wash your hands with soap and water after performing all experiments. Clean all work surfaces and apparatus at the end of the experiment. Return all equipment clean and in working order to the proper storage area.

Explanation

16. Keep hands away from face, eyes, mouth and body while using chemicals. Wash your hands with soap and water after performing all experiments. Clean all work surfaces and apparatus at the end of the experiment. Return all equipment clean and in working order to the proper storage area.

15. Laboratory aprons should be worn for all lab activities.

True

False

26. Lab aprons have been provided for your use and should be worn during ALL laboratory activities.

Explanation

26. Lab aprons have been provided for your use and should be worn during ALL laboratory activities.

16. You have been injured in the laboratory, you should

Visit the school nurse after class.

See a doctor after school.

Tell your instructor at once.

Apply first aid yourself.

28. If you or your lab partner are hurt, immediately get the instructor’s attention.

Explanation

28. If you or your lab partner are hurt, immediately get the instructor’s attention.

17. It is okay for male students who have long hair to not put it up, but female students must do so.

True

False

25. Dress properly during a laboratory activity. Long hair, dangling jewelry, and loose or baggy clothing are a hazard in the laboratory. Long hair must be tied back and dangling jewelry and loose or baggy clothing must be secured. Shoes must completely cover the foot. No Crocs or flip flops allowed.

Explanation

25. Dress properly during a laboratory activity. Long hair, dangling jewelry, and loose or baggy clothing are a hazard in the laboratory. Long hair must be tied back and dangling jewelry and loose or baggy clothing must be secured. Shoes must completely cover the foot. No Crocs or flip flops allowed.

18. Laboratory work can begin immediately upon entering the laboratory, even if the instructor is not present.

True

False

x

Explanation

x

19. Flammable materials, like alcohol, should never be dispensed or used near:

An open door.

An open flame.

Another student.

A sink.

37. Handle flammable hazardous liquids over a pan to contain spills. Never dispense flammable liquids anywhere near an open flame or source of heat.

Explanation

37. Handle flammable hazardous liquids over a pan to contain spills. Never dispense flammable liquids anywhere near an open flame or source of heat.

20. The following footwear is best in the laboratory

Sandals.

Open-toed shoes.

Closed-toed shoes.

Shoes appropriate for the weather.

25. Dress properly during a laboratory activity. Long hair, dangling jewelry, and loose or baggy clothing are a hazard in the laboratory. Long hair must be tied back and dangling jewelry and loose or baggy clothing must be secured. Shoes must completely cover the foot. No Crocs or flip flops allowed.

Explanation

25. Dress properly during a laboratory activity. Long hair, dangling jewelry, and loose or baggy clothing are a hazard in the laboratory. Long hair must be tied back and dangling jewelry and loose or baggy clothing must be secured. Shoes must completely cover the foot. No Crocs or flip flops allowed.

21. All chemicals in the lab are to be considered dangerous.

True

False

31. All chemicals in the laboratory are to be considered dangerous. Do not touch, taste, or smell any chemicals unless specifically instructed to do so. The proper technique for smelling chemical fumes will be demonstrated to you.

Explanation

31. All chemicals in the laboratory are to be considered dangerous. Do not touch, taste, or smell any chemicals unless specifically instructed to do so. The proper technique for smelling chemical fumes will be demonstrated to you.

22. All unauthorized experiments in the laboratory are prohibited.

True

False

6. Perform only those experiments authorized by the instructor. Never do anything in the laboratory that is not called for in the laboratory procedures or by your instructor. Carefully follow all instructions, both written and oral. Unauthorized experiments are prohibited.

Explanation

6. Perform only those experiments authorized by the instructor. Never do anything in the laboratory that is not called for in the laboratory procedures or by your instructor. Carefully follow all instructions, both written and oral. Unauthorized experiments are prohibited.

23. Approved eye protection devices (such as goggles) are worn in the laboratory.

To avoid eye strain.

To improve your vision.

Only if you don’t have corrective lenses.

Anytime heat, glassware or chemicals are used.

23. Any time chemicals, heat, or glassware are used, students will wear laboratory goggles. There will be no exceptions to this rule!

Explanation

23. Any time chemicals, heat, or glassware are used, students will wear laboratory goggles. There will be no exceptions to this rule!

24. You are heating a piece of glassware, and now want to pick it up, you should

Use a rag or paper towels.

Pick up the end that looks cooler.

Use tongs.

Pour cold water on it.

52. Heated metals and glass remain very hot for a long time. They should be set aside to cool and picked up with caution. Use tongs or heat-protective gloves if necessary.

Explanation

52. Heated metals and glass remain very hot for a long time. They should be set aside to cool and picked up with caution. Use tongs or heat-protective gloves if necessary.

25. Pipets are used to measure and dispense small amounts of liquids. You should draw the liquid into the pipet with your mouth.

True

False

34. Never use mouth suction to fill a pipet. Use a rubber bulb or pipet pump.

Explanation

34. Never use mouth suction to fill a pipet. Use a rubber bulb or pipet pump.

26. In the laboratory, the following must not be worn

Loose clothing.

Dangling jewelry.

Sandals.

All possible answer choices.

25. Dress properly during a laboratory activity. Long hair, dangling jewelry, and loose or baggy clothing are a hazard in the laboratory. Long hair must be tied back and dangling jewelry and loose or baggy clothing must be secured. Shoes must completely cover the foot. No Crocs or flip flops allowed.

Explanation

25. Dress properly during a laboratory activity. Long hair, dangling jewelry, and loose or baggy clothing are a hazard in the laboratory. Long hair must be tied back and dangling jewelry and loose or baggy clothing must be secured. Shoes must completely cover the foot. No Crocs or flip flops allowed.

27. When gathering glassware and lab equipment for a lab, you should

Read the lab to see what equipment is needed.

Examine all glassware to check for chips or breaks.

Clean all glassware.

All possible answers.

7. Be prepared for your work in the laboratory. Read all procedures thoroughly before entering the laboratory. 45. Examine glassware before each use. Never use chipped or cracked glassware. Never use dirty glassware.

Explanation

7. Be prepared for your work in the laboratory. Read all procedures thoroughly before entering the laboratory. 45. Examine glassware before each use. Never use chipped or cracked glassware. Never use dirty glassware.

28. You are allowed to enter the chemical stockroom any time you need items for a lab.

True

False

18. Students are never permitted in the science storage rooms or preparation areas unless given specific permission by their instructor.

Explanation

18. Students are never permitted in the science storage rooms or preparation areas unless given specific permission by their instructor.

29. If a laboratory fire erupts, immediately:

Notify your instructor.

Run for the fire extinguisher.

Throw water on the fire.

Open the window.

27. Report any accident (spill, breakage, etc.) or injury (cut, burn, etc.) to the instructor immediately, no matter how trivial it may appear.

Explanation

27. Report any accident (spill, breakage, etc.) or injury (cut, burn, etc.) to the instructor immediately, no matter how trivial it may appear.

30. If acid is splashed on your skin, wash it at once with

Soap.

Oil.

Weak base.

Plenty of water.

29. If a chemical splashes in your eye(s) or on your skin, immediately flush with running water from the eyewash station or safety shower for at least 20 minutes. Notify the instructor immediately.

Explanation

29. If a chemical splashes in your eye(s) or on your skin, immediately flush with running water from the eyewash station or safety shower for at least 20 minutes. Notify the instructor immediately.

31. Hot glass looks the same as cold glass.

True

False

52. Heated metals and glass remain very hot for a long time. They should be set aside to cool and picked up with caution. Use tongs or heat-protective gloves if necessary. 55. When bending glass, allow time for the glass to cool before further handling. Hot and cold glass have the same visual appearance. Determine if an object is hot by bringing the back of your hand close to it prior to grasping it.

Explanation

52. Heated metals and glass remain very hot for a long time. They should be set aside to cool and picked up with caution. Use tongs or heat-protective gloves if necessary. 55. When bending glass, allow time for the glass to cool before further handling. Hot and cold glass have the same visual appearance. Determine if an object is hot by bringing the back of your hand close to it prior to grasping it.

32. If you wear contact lenses in the school laboratory:

Take them out before starting the lab.

You do not have to wear protective glasses.

Advise your instructor you wear contacts.

Keep the information to yourself.

24. Contact lenses should not be worn in the laboratory unless you have permission from your instructor.

Explanation

24. Contact lenses should not be worn in the laboratory unless you have permission from your instructor.

33. Personal eye glasses provide as much protection as

A face shield

Safety glasses.

Chemical splash goggles.

None of the possible answers.

23. Any time chemicals, heat, or glassware are used, students will wear laboratory goggles. There will be no exceptions to this rule! 24. Contact lenses should not be worn in the laboratory unless you have permission from your instructor.

Explanation

23. Any time chemicals, heat, or glassware are used, students will wear laboratory goggles. There will be no exceptions to this rule! 24. Contact lenses should not be worn in the laboratory unless you have permission from your instructor.

34. Return all unused material to their original containers.

True

False

33. Never return unused chemicals to their original containers.

Explanation

33. Never return unused chemicals to their original containers.

35. When you come into the classroom for lab you should do all of the following, except

Place all personal material under the table.

Get something to write with and your lab sheet.

Put your personal material on the table neatly.

None of the possible answers.

9. Observe good housekeeping practices. Work areas should be kept clean and tidy at all times. Bring only your laboratory instructions, worksheets, and/or reports to the work area. Other materials (books, purses, backpacks, etc.) should be stored in the classroom area.

Explanation

9. Observe good housekeeping practices. Work areas should be kept clean and tidy at all times. Bring only your laboratory instructions, worksheets, and/or reports to the work area. Other materials (books, purses, backpacks, etc.) should be stored in the classroom area.