Personal Protective Equipment (PPE) and Hazardous Waste Site Safety, Exams of Advanced Education

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HAZWOPER EXAM (QUIZZES 7-13)

WITH COMPLETE SOLUTION 2023

The monitoring requirements for an employee dressed in Level A PPE require which of the following? - Correct Answer-Oral temperature, blood pressure, heart rate, body weight loss (water) Using Level C personal protective equipment includes which of the following? - Correct Answer-Wearing an air-purifying respirator The Level of Protection that provides the highest degree of respiratory and skin protection against gases and vapors is? - Correct Answer-Level A A written comprehensive PPE program should include? - Correct Answer-Medical monitoring, Hazard identification, Decontamination procedures Selection of chemical protective clothing will depend on the chemicals present and the tasks to be accomplished. - Correct Answer-True Heat stress on the human body includes both "heat exhaustion" and "heat stroke." Which statement about "heat stroke" is true? - Correct Answer-Heat stroke is a life- threatening emergency Over-protection and under-protection can be hazardous and should be considered carefully when selecting chemical protective clothing. - Correct Answer-True Selection of a chemical resistant glove is intended to protect the wearer ___. - Correct Answer-Against specific chemicals Chemical reactions can degrade some protective clothing. - Correct Answer-True Which of the following factors regarding PPE utilization can the wearer directly control?

• Correct Answer-Type of protective ensemble selected Wearing Chemical Protective Clothing (CPC) prevents what route of exposure to hazardous materials? - Correct Answer-Skin Heat Stress is a concern for workers only in the summer months. - Correct Answer- False Which of the following is least likely to make heat stress worse? - Correct Answer-High wind velocity

Knowing the specific hazards involved in the job is important even though you are wearing protective clothing. - Correct Answer-True Air supply consumption when using a SCBA depends on which of the following? - Correct Answer-Fitness, body size, work rate, breathing pattern The ensemble of equipment referred to as Level A protection is generally the minimum level recommended for an initial entry until the site hazards have been further identified.

• Correct Answer-True Level D protective ensembles provide no protection to a worker at all. - Correct Answer- False Class C helmets provide protection for which of the following? - Correct Answer-Impact hazards, limited chemical The following protective equipment is required for a worker handling toxic chemicals that when dispensed or handled may splash. - Correct Answer-All of the answers are correct Employers must provide training to employees who are required to use PPE. This training must include all of the following except which of the following? - Correct Answer-How to purchase cost-effective PPE Safety shoes and boots worn when working in areas where there is a danger of foot injuries must comply with which of the following organization specifications? - Correct Answer-ANSI Class G (formerly A) helmets provide impact and penetration resistance as well as protection from: - Correct Answer-Low-voltage electrical hazards (2,200 volts) Class E (formerly B) helmets can provide electrical protection from high-voltage conductors and are proof-tested to 20,000 volts. - Correct Answer-True Which three different types of hand hazards can be avoided by wearing hand protection? - Correct Answer-Chemical hazards, cut hazards, thermal hazards Match the class of hard hat with the correct description. - Class G (A) - Correct Answer- Provides impact and penetration resistance as well as electrical protection from low- voltage conductors Match the class of hard hat with the correct description. - Class E (B) - Correct Answer- Provides impact and penetration resistance and protection from high-voltage conductors

Match the class of hard hat with the correct description. - Class C (C) - Correct Answer- Provides impact and penetration resistance. They are usually made of aluminum which conducts electricity Wearing Chemical Protective Clothing (CPC) prevents which route of exposure to hazardous materials? - Correct Answer-Skin A correctly designed Health and Safety Plan provides procedures for the selection of PPE or a combination of PPE components (respirator & canister, gloves, clothing, etc.) that will protect the wearer ___. - Correct Answer-Against specific agents as determined for a definite job Each type of protective clothing has a specific purpose as well as certain limitations. - Correct Answer-True Which of the following site zones is considered to be most contaminated? - Correct Answer-Exclusion Zone Which one of the following is true about the buddy system? - Correct Answer-It should be used when working in the Exclusion Zone What is the function of the Contamination Reduction Zone? - Correct Answer-ALL OF THE ANSWERS ARE CORRECT: To facilitate decontamination of equipment, personnel and samples. To reduce the probability of contaminating the clean Support Zone. To serve as a passageway between the Exclusion Zone and the Support Zone. Which of the following is not true of the Support Zone? - Correct Answer-Should be as close to the Exclusion Zone as possible The most important reason to set up "work zones" at a waste site is ____. - Correct Answer-To isolate a hazardous area and lessen the risk to the public and waste site workers Site Control Preparation includes all of the following except ____. - Correct Answer- Developing a sampling plan When should a site map be developed? - Correct Answer-Prior to initial site entry Which of the following zones is considered to be least contaminated? - Correct Answer- Support Zone The exclusion zone is an area that is least contaminated and does not require special PPE to enter. - Correct Answer-False

The hot line can be described by which of the following? - Correct Answer-The point where the worker enters or leaves an exclusion zone The following facilities are located in the Support Zone. - Correct Answer-Command post, worker rest area, medical station Site security should provide all of the following except? - Correct Answer-Prevent OSHA and EPA site inspections Which is the highest priority during an emergency decontamination involving a chemically contaminated worker who is seriously injured? - Correct Answer-Immediate emergency treatment of the victim Which of the following situations is the hardest to remove during decontamination? - Correct Answer-Chemicals permeated into PPE material What is the minimum level of protection that decontamination personnel should wear during decontamination of returning field personnel? - Correct Answer-One level lower protection as workers in the Exclusion Zone The best decontamination procedure is which of the following? - Correct Answer-Not to get contaminated at all The decontamination procedure discussed in class has how many steps? - Correct Answer-6 steps Decontamination takes place in which of the following zones? - Correct Answer- Contamination Reduction Zone A Responder's PPE apparel may become contaminated while working at a hazardous substance incident by which of the following? - Correct Answer-All of the answers are correct Decontamination of equipment and PPE is generally not dependent on which of the following? - Correct Answer-The overall cost The most important factor to consider when deciding upon decontamination methods is which of the following? - Correct Answer-The type of contaminant involved A low pressure warning alarm sounds on a SCBA unit, what should the worker do? - Correct Answer-Signal your partner and get out of the hazard area as soon as possible Decontamination procedures must be developed and implemented ___. - Correct Answer-Before anyone enters a hot zone work site

A decontamination plan will have which of the following elements? - Correct Answer- Methods and procedures, type of decon station, disposal methods, written plan Which is the highest priority during an emergency decontamination involving a chemically contaminated worker who has minor injuries? - Correct Answer- Decontamination of the injured worker before transportation to the hospital Encapsulated suits should be checked for deficiencies before they are used - Correct Answer-True Protective clothing and respirators can help prevent worker contamination - Correct Answer-True In an emergency the primary concern is the protection of property - Correct Answer- False Rescuers do not have to take measures to prevent the spread of contamination - Correct Answer-False What is the primary purpose of a medical surveillance program? - Correct Answer- Assess and monitor a worker's health before employment as well as during the course of employment Other than the individual examinee, who has access to an individual's medical records?

• Correct Answer-A designee of the individual Under the record keeping requirements of the OSHA Hazardous Waste Standard, the employer must maintain and preserve medical records of a worker's exposure to hazardous materials for what period of time? - Correct Answer-For the term of employment, plus 30 years How often should a Team Member be examined according to federal regulations? - Correct Answer-Upon entering, on a periodic basis; following appearance of symptoms that indicate exposure; and upon termination from a Hazardous Materials Team Why is assessment of the cardiovascular system an important part of a baseline medical surveillance exam? - Correct Answer-It identifies people with cardiovascular risk factors so they will not be permitted to use personal protective equipment including respirators Who is required to pay for work-related medical surveillance exams? - Correct Answer- The employer Which statement about medical exams is false? - Correct Answer-All medical conditions must be reported to the employer by the examining physician whether or not they affect work performance

Which of the following is the most important relating to heat stroke? - Correct Answer- Professional medical treatment must be administered as soon as possible Medical program management should encourage employees to participate in which of the following? - Correct Answer-All of the answers are correct The most effective first aid treatment for heat exhaustion is which of the following? - Correct Answer-Take the victim to a cooler area and lay them down to allow blood to return to the head quickly Which of the following is not an element of a hazardous waste site medical program? - Correct Answer-Assessing and assigning the correct site control at the work site Which of the following is not a component of an employee medical program? - Correct Answer-Recreation Which of the following is the most serious of the health problem caused by heat? - Correct Answer-Heat stroke All medical conditions must be reported to the employer by the examining physician whether or not they affect work performance. - Correct Answer-False According to OSHA standards, any hazardous waste site worker that wears a respirator more than 30 days a year must enter into the medical surveillance program. - Correct Answer-True According to OSHA, employees who are required to wear respirators should have a medical evaluation prior to using a respirator. - Correct Answer-True The employer can require that workers take a pre-placement medical examination as a condition of employment. - Correct Answer-True All medical examinations and procedures shall be performed by or under the supervision of a licensed physician, preferably one knowledgeable in occupational medicine. - Correct Answer-True Alcohol helps to retain body fluid for longer periods of time. - Correct Answer-False There should be a specific medical program for each hazardous waste site. - Correct Answer-True Workers being exposed to a hazardous substance above its PEL value must have a medical examination. - Correct Answer-True

In hot environments, wait until you are thirsty before drinking water. - Correct Answer- False When using portable air monitoring instruments, all of the following are required except which of the following? - Correct Answer-Superficially safe Sensitivity is defined as the ability of an instrument to accurately measure which of the following? - Correct Answer-Changes in concentration A sampling plan for chemical sampling requires that all of the following things are considered except which of the following? - Correct Answer-How to track sampling data A direct reading instrument provides a reading based on which of the following? - Correct Answer-Current real time conditions The following are all types of air sampling devices except for which of the following? - Correct Answer-Noise dosimeter Using a combination combustible gas (CGI) indicator and O2 monitor calibrated for normal oxygen content at sea level, the following readings are observed: O2 = 13.5%, percent LEL = 9%. Which of the following is true regarding the CGI reading? - Correct Answer-Due to an oxygen deficient atmosphere, the actual concentration of flammable gas is higher than indicated by the meter. An oxygen atmosphere of less than ___ is considered "oxygen deficient" by OSHA standards. - Correct Answer-19.5% If a direct reading instrument indicates the air is 25 percent of the LEL, then you should.

• Correct Answer-Leave the work area immediately A primary purpose of a CGI is to detect which of the following? - Correct Answer- Flammable atmospheres Colorimetric tubes designed to be used for a specific chemical can be affected by other chemicals present. - Correct Answer-True Flame ionization detectors are generally used to detect and measure organic compounds. - Correct Answer-True Selectivity (specificity) is the ability of an instrument to detect and measure a specific chemical or class of chemicals. - Correct Answer-True The LEL value is the explosive limit at the upper concentration of a flammable compound. - Correct Answer-False

Sampling techniques can include both area and personal sampling. - Correct Answer- True Temperature, ambient pressure, and humidity have no effect on the accuracy of results for active sampling. - Correct Answer-False An integrated sample is collected when the results will be compared to an OSHA PEL. - Correct Answer-True Calibration is required for stain indicator tubes. - Correct Answer-False The oxygen content of normal air at sea level is approximately 20.9 percent and the partial pressure of oxygen is 159 mm Hg. - Correct Answer-True An scintillation radiation monitoring instrument can detect Alpha radiation. - Correct Answer-True Data obtained from air monitoring instruments is not useful for which of the following? - Correct Answer-Determining which brand of respirator will be used by a worker Two types of personal sampling systems are which of the following? - Correct Answer- Passive sampling & Active sampling What Subpart under OSHA standards contains at least 28 substances and requires a personal sampling plan to be initiated for waste site workers? - Correct Answer-Subpart Z In addition to mechanical pumps, what else is required in order to get active sampling system results? - Correct Answer-A laboratory to analyze collection media The following may be used for passive sampling except for which one? - Correct Answer-Air pump-sample medium samplers Advantages of passive samplers include all except which of the following? - Correct Answer-A pump is required Radiation dosimeters only detect alpha and beta radiation. - Correct Answer-False Temperature and humidity have no effect on the accuracy (results) of passive samplers.

• Correct Answer-False Calibration is required for all personal monitors - Correct Answer-False Personal dosimeters must always be direct reading. - Correct Answer-False Passive samplers are all direct reading. - Correct Answer-False