Chemistry Lab Safety Final 1.1.1

Which definition is incorrect? a. A hazard is a known source of danger or harm. b. Risk is the possibility or probability of suffering harm from being exposed to a hazard or unsafe situation. c. Exposure means coming in direct contact with a hazard or chemical in a fashion that causes injury or harm. d. Safety is freedom from danger, injury or damage.

a. A hazard is a known source of danger or harm.

Which statement is true? a. All chemicals are hazardous. b. Only chemicals that are toxic are considered hazardous. c. Only chemicals in open beakers are hazardous. d. Only liquid and gaseous chemicals are hazardous.

a. All chemicals are hazardous.

Facilities, location, equipment, procedures, and standards are examples of a. Environmental factors b. Person factors c. Behavior factors d. none of the above

a. Environmental factors

Many accidents are caused by a. Poor housekeeping b. selecting chemicals incorrectly c. Running reactions at temperatures that are too high d. Using personal protective equipment inappropriately

a. Poor housekeeping

Which statement is true? a. Usually chemicals used in general chemistry are nonhazardous. b. The more useful a chemical is in lab, the more hazardous it is. c. The more useful a chemical is in a lab, the less hazardous it is. d. Most chemicals that we encounter in labs and elsewhere are hazardous.

a. Usually chemicals used in general chemistry are nonhazardous.

Eating, drinking, and smoking in lab a. are not allowed in labs b. are allowed whenever the lab instructor says it is OK to do so c. Are allowed in labs whenever there are no open beakers of chemicals in use d. are allowed in labs as long as there is no reasonable chance of ingesting lab chemicals

a. are not allowed in labs

If there is an accident (incident) or chemical spill in the lab, you should a. notify your instructor immediately b. Notify your instructor only if emergency equipment had to be used c. Alert other nearby students, but tell the instructor only if the event is serious d. Notify your instructor before the end of the lab period

a. notify your instructor immediately

Assessing risks in labs can be challenging because a. Only experts can really assess risk accurately b. It requires the anticipation of what kinds of exposures are possible for a given procedure c. Chemical reactions are generally not very reproducible and therefore unpredictable d. Predicting the hazards of chemicals is almost impossible

b. It requires the anticipation of what kinds of exposures are possible for a given procedure

Attitude, beliefs, personality, knowledge, skills, and abilities are examples of a. Environmental factors b. Person factors c. Behavior factors d. none of the above

b. Person factors

In RAMP, the P stands for a. Prevent b. Prepare c. Plan d. Protect

b. Prepare

Tasting chemicals a. Is allowed for solutions that are very dilute b. is never allowed in chemistry labs c. is allowed for lab chemicals that we also know are "common chemicals" (such as Vitamin C) d. Is allowed for chemicals that are known to be nontoxic

b. is never allowed in chemistry labs

In RAMP, the A stands for a. Avoid b. Assign c. Assess d. Accident

c. Assess

Safe and risky practices are examples of a. Environmental factors b. Person factors c. Behavior factors d. none of the above

c. Behavior factors

Most accidents in labs occur when a. Experienced lab workers try a new experiment b. Inexperienced lab workers use chemicals c. Safety rules and safe practices are not followed d. "Accidents happen" beyond the control of the lab worker

c. Safety rules and safe practices are not followed

Learning to be safe in chemistry laboratories is best accomplished by a. Performing experiments to see what's safe and what isn't. b. Memorizing safety rules. c. Thinking about the hazards and risks associated with experiments. d. Learning from one's own mistakes

c.Thinking about the hazards and risks associated with experiments.

Why do some lab workers take unnecessary risks? a. They willfully violate rules that they know about b. They are unaware of the risks c. They repeat experiments with high risk that have failed before d. All of the above

d. All of the above

What document may contain useful information about the hazards of a chemical? a. Chemical Hygiene Plan b. Chemical Risk Document c. Course syllabus d. Material Safety Data Sheet

d. Material Safety Data Sheet

In RAMP, the M stands for a. Maintain b. Materials c. Monitor d. Minimize

d. Minimize

In RAMP, the R stands for a. Risk b. Repair c. Report d. Recognize

d. Recognize

Why is it sometimes hard to recognize the hazards of chemicals? a. For the most part, we do not know what the hazards can be b. The terms used to describe hazards are not well defined c. While hazards are generally known, it is not easy to access them in print or on the web. d. Recognizing hazards requires an understanding or the language of safety and knowing where to access safety information.

d. Recognizing hazards requires an understanding or the language of safety and knowing where to access safety information.

Safety incidents generally occur in a. Introductory labs b. advanced labs c. research labs d. labs at all levels of curriculum

d. labs at all levels of curriculum

Which is not a component of the student safety ethic? a. work safely b. Avoid unnecessary risk c. accept responsibility for safety d. rely on your teacher to keep you safe.

d. rely on your teacher to keep you safe.