Safety Quiz On Laboratory: Test!
(185).jpg "Safety Quiz On Laboratory: Test! - Quiz")
- 1.
Flammable materials, like alcohol, should never be dispensed or used near:
- A.
An open door.
- B.
An open flame.
- C.
Another student.
- D.
A sink.
Correct Answer
B. An open flame.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.Rate this question:
-
- 2.
If a laboratory fire erupts, immediately:
- A.
Notify your instructor.
- B.
Run for the fire extinguisher.
- C.
Throw water on the fire.
- D.
Open the window.
Correct Answer
A. Notify your instructor.Explanation
27. Report any accident (spill, breakage, etc.) or injury (cut, burn, etc.) to the instructor immediately, no matter how trivial it may appear.Rate this question:
-
- 3.
Approved eye protection devices (such as goggles) are worn in the laboratory.
- A.
To avoid eye strain.
- B.
To improve your vision.
- C.
Only if you don’t have corrective lenses.
- D.
Anytime heat, glassware or chemicals are used.
Correct Answer
D. Anytime heat, glassware or chemicals are used.Explanation
23. Any time chemicals, heat, or glassware are used, students will wear laboratory goggles. There will be no exceptions to this rule!Rate this question:
-
- 4.
If you wear contact lenses in the school laboratory:
- A.
Take them out before starting the lab.
- B.
You do not have to wear protective glasses.
- C.
Advise your instructor you wear contacts.
- D.
Keep the information to yourself.
Correct Answer
C. Advise your instructor you wear contacts.Explanation
24. Contact lenses should not be worn in the laboratory unless you have permission from your instructor.Rate this question:
-
- 5.
If you do not understand part of a direction or part of a lab procedure, you should:
- A.
Figure it out as you do the lab.
- B.
Try several methods until something works.
- C.
Ask the instructor before proceeding.
- D.
Skip it and go to the next part.
Correct Answer
C. 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.Rate this question:
-
- 6.
After completing an experiment, all chemical wastes should be:
- A.
Left at your lab station for the next class.
- B.
Disposed of according to the lab instructions.
- C.
Dumped down the sink.
- D.
Taken home.
Correct Answer
B. Disposed of according to the lab instructions.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.Rate this question:
-
- 7.
If a lab experiment is not completed, you should:
- A.
Discuss the issue with your instructor.
- B.
Sneak in after school and work alone.
- C.
Bring your lunch in and finish it.
- D.
Make up some results.
Correct Answer
A. Discuss the issue with your instructor.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.Rate this question:
-
- 8.
You are heating a substance in a test tube, you should point the test tube
- A.
Toward yourself
- B.
Toward your lab partner.
- C.
Toward another classmate.
- D.
Away from all people.
Correct Answer
D. Away from all people.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.Rate this question:
-
- 9.
You are heating a piece of glassware, and now want to pick it up, you should
- A.
Use a rag or paper towels.
- B.
Pick up the end that looks cooler.
- C.
Use tongs.
- D.
Pour cold water on it.
Correct Answer
C. Use tongs.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.Rate this question:
-
- 10.
You have been injured in the laboratory, you should
- A.
Visit the school nurse after class.
- B.
See a doctor after school.
- C.
Tell your instructor at once.
- D.
Apply first aid yourself.
Correct Answer
C. Tell your instructor at once.Explanation
28. If you or your lab partner are hurt, immediately get the instructor’s attention.Rate this question:
-
- 11.
When gathering glassware and lab equipment for a lab, you should
- A.
Read the lab to see what equipment is needed.
- B.
Examine all glassware to check for chips or breaks.
- C.
Clean all glassware.
- D.
All possible answers.
Correct Answer
D. All possible answers.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.Rate this question:
-
- 12.
When you come into the classroom for lab you should do all of the following, except
- A.
Place all personal material under the table.
- B.
Get something to write with and your lab sheet.
- C.
Put your personal material on the table neatly.
- D.
None of the possible answers.
Correct Answer
C. Put your personal material on the table neatly.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.Rate this question:
-
- 13.
Personal eye glasses provide as much protection as
- A.
A face shield
- B.
Safety glasses.
- C.
Chemical splash goggles.
- D.
None of the possible answers.
Correct Answer
D. None of the possible answers.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.Rate this question:
-
- 14.
Long hair in the laboratory must be
- A.
Cut short.
- B.
Held away from the experiment with one hand.
- C.
Always neatly groomed.
- D.
Tied back and secured with some type of hair device.
Correct Answer
D. Tied back and secured with some type of hair device.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.Rate this question:
-
- 15.
In the laboratory, the following must not be worn
- A.
Loose clothing.
- B.
Dangling jewelry.
- C.
Sandals.
- D.
All possible answer choices.
Correct Answer
D. All possible answer choices.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.Rate this question:
-
- 16.
The following footwear is best in the laboratory
- A.
Sandals.
- B.
Open-toed shoes.
- C.
Closed-toed shoes.
- D.
Shoes appropriate for the weather.
Correct Answer
C. Closed-toed shoes.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.Rate this question:
-
- 17.
Horseplay or practical jokes in the laboratory are
- A.
Always against the rules.
- B.
Okay.
- C.
Not dangerous.
- D.
Okay if you are working alone.
Correct Answer
A. Always against the rules.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.Rate this question:
-
- 18.
If a piece of equipment is not working properly, stop, turn it off and tell
- A.
Maintainence.
- B.
Your lab partner.
- C.
Your best friend.
- D.
Your instructor.
Correct Answer
D. Your instructor.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.Rate this question:
-
- 19.
If acid is splashed on your skin, wash it at once with
- A.
Soap.
- B.
Oil.
- C.
Weak base.
- D.
Plenty of water.
Correct Answer
D. Plenty of water.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.Rate this question:
-
- 20.
When you finish working with chemicals and other lab materials always
- A.
Treat your hands with lotion.
- B.
Wash your hands thoroughly with water.
- C.
Wipe your hands with a paper towel.
- D.
Wash your hands with germ-ex.
Correct Answer
B. Wash your hands thoroughly with water.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.Rate this question:
-
- 21.
Hot glass looks the same as cold glass.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
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.Rate this question:
-
- 22.
All chemicals in the lab are to be considered dangerous.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
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.Rate this question:
-
- 23.
Return all unused material to their original containers.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
33. Never return unused chemicals to their original containers.Rate this question:
-
- 24.
Work areas should be kept clean and tidy.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
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.Rate this question:
-
- 25.
Pipets are used to measure and dispense small amounts of liquids. You should draw the liquid into the pipet with your mouth.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
34. Never use mouth suction to fill a pipet. Use a rubber bulb or pipet pump.Rate this question:
-
- 26.
Laboratory work can begin immediately upon entering the laboratory, even if the instructor is not present.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
xRate this question:
-
- 27.
Never remove chemicals or other materials from the laboratory.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
38. Never remove chemicals or other materials from the laboratory area.Rate this question:
-
- 28.
Chipped or cracked glassware is okay to use.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
45. Examine glassware before each use. Never use chipped or cracked glassware. Never use dirty glassware.Rate this question:
-
- 29.
Read all procedures thoroughly before entering the laboratory.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
7. Be prepared for your work in the laboratory. Read all procedures thoroughly before entering the laboratory.Rate this question:
-
- 30.
All unauthorized experiments in the laboratory are prohibited.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
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.Rate this question:
-
- 31.
You are allowed to enter the chemical stockroom any time you need items for a lab.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
18. Students are never permitted in the science storage rooms or preparation areas unless given specific permission by their instructor.Rate this question:
-
- 32.
Laboratory aprons should be worn for all lab activities.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
26. Lab aprons have been provided for your use and should be worn during ALL laboratory activities.Rate this question:
-
- 33.
It is okay to pick up broken glassware with your bare hands as long as it’s placed in the trash.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
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.Rate this question:
-
- 34.
Never leave a lit burner unattended.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
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.Rate this question:
-
- 35.
It is okay for male students who have long hair to not put it up, but female students must do so.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
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.Rate this question:
-
Back to top