HAZWOPER exam (quizzes 7-13)
Which statement about medical exams is false?
All medical conditions must be reported to the employer by the examining physician whether or not they affect work performance
A Responder's PPE apparel may become contaminated while working at a hazardous substance incident by which of the following?
All of the answers are correct
Medical program management should encourage employees to participate in which of the following?
All of the answers are correct
The following protective equipment is required for a worker handling toxic chemicals that when dispensed or handled may splash.
All of the answers are correct
Which of the following zones is considered to be least contaminated?
Support Zone
An scintillation radiation monitoring instrument can detect Alpha radiation.
True
Chemical reactions can degrade some protective clothing.
True
Protective clothing and respirators can help prevent worker contamination
True
Sampling techniques can include both area and personal sampling.
True
Selection of chemical protective clothing will depend on the chemicals present and the tasks to be accomplished.
True
Selectivity (specificity) is the ability of an instrument to detect and measure a specific chemical or class of chemicals.
True
The employer can require that workers take a pre-placement medical examination as a condition of employment.
True
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.
True
The oxygen content of normal air at sea level is approximately 20.9 percent and the partial pressure of oxygen is 159 mm Hg.
True
There should be a specific medical program for each hazardous waste site.
True
Workers being exposed to a hazardous substance above its PEL value must have a medical examination.
True
Which of the following factors regarding PPE utilization can the wearer directly control?
Type of protective ensemble selected
The following facilities are located in the Support Zone.
Command post, worker rest area, medical station
An oxygen atmosphere of less than ___ is considered "oxygen deficient" by OSHA standards.
19.5%
The decontamination procedure discussed in class has how many steps?
6 steps
Other than the individual examinee, who has access to an individual's medical records?
A designee of the individual
What is the function of the Contamination Reduction Zone?
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.
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?
ANSI
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 ___.
Against specific agents as determined for a definite job
Selection of a chemical resistant glove is intended to protect the wearer ___.
Against specific chemicals
What is the primary purpose of a medical surveillance program?
Assess and monitor a worker's health before employment as well as during the course of employment
Which of the following is not an element of a hazardous waste site medical program?
Assessing and assigning the correct site control at the work site
Decontamination procedures must be developed and implemented ___.
Before anyone enters a hot zone work site
Sensitivity is defined as the ability of an instrument to accurately measure which of the following?
Changes in concentration
Which three different types of hand hazards can be avoided by wearing hand protection?
Chemical hazards, cut hazards, thermal hazards
Which of the following situations is the hardest to remove during decontamination?
Chemicals permeated into PPE material
Decontamination takes place in which of the following zones?
Contamination Reduction Zone
A direct reading instrument provides a reading based on which of the following?
Current real time conditions
Which is the highest priority during an emergency decontamination involving a chemically contaminated worker who has minor injuries?
Decontamination of the injured worker before transportation to the hospital
Site Control Preparation includes all of the following except ____.
Developing a sampling plan
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?
Due to an oxygen deficient atmosphere, the actual concentration of flammable gas is higher than indicated by the meter.
Which of the following site zones is considered to be most contaminated?
Exclusion Zone
Alcohol helps to retain body fluid for longer periods of time.
False
All medical conditions must be reported to the employer by the examining physician whether or not they affect work performance.
False
Calibration is required for stain indicator tubes.
False
Heat Stress is a concern for workers only in the summer months.
False
In an emergency the primary concern is the protection of property
False
In hot environments, wait until you are thirsty before drinking water.
False
Level D protective ensembles provide no protection to a worker at all.
False
Rescuers do not have to take measures to prevent the spread of contamination
False
Temperature, ambient pressure, and humidity have no effect on the accuracy of results for active sampling.
False
The LEL value is the explosive limit at the upper concentration of a flammable compound.
False
The exclusion zone is an area that is least contaminated and does not require special PPE to enter.
False
Air supply consumption when using a SCBA depends on which of the following?
Fitness, body size, work rate, breathing pattern
A primary purpose of a CGI is to detect which of the following?
Flammable atmospheres
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?
For the term of employment, plus 30 years
Which of the following is the most serious of the health problem caused by heat?
Heat stroke
Heat stress on the human body includes both "heat exhaustion" and "heat stroke." Which statement about "heat stroke" is true?
Heat stroke is a life-threatening emergency
Which of the following is least likely to make heat stress worse?
High wind velocity
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?
How to purchase cost-effective PPE
A sampling plan for chemical sampling requires that all of the following things are considered except which of the following?
How to track sampling data
Which is the highest priority during an emergency decontamination involving a chemically contaminated worker who is seriously injured?
Immediate emergency treatment of the victim
Class C helmets provide protection for which of the following?
Impact hazards, limited chemical
Class E (formerly B) helmets can provide electrical protection from high-voltage conductors and are proof-tested to 20,000 volts.
True
Why is assessment of the cardiovascular system an important part of a baseline medical surveillance exam?
It identifies people with cardiovascular risk factors so they will not be permitted to use personal protective equipment including respirators
Which one of the following is true about the buddy system?
It should be used when working in the Exclusion Zone
If a direct reading instrument indicates the air is 25 percent of the LEL, then you should.
Leave the work area immediately
The Level of Protection that provides the highest degree of respiratory and skin protection against gases and vapors is?
Level A
Class G (formerly A) helmets provide impact and penetration resistance as well as protection from:
Low-voltage electrical hazards (2,200 volts)
A written comprehensive PPE program should include?
Medical monitoring, Hazard identification, Decontamination procedures
A decontamination plan will have which of the following elements?
Methods and procedures, type of decon station, disposal methods, written plan
The following are all types of air sampling devices except for which of the following?
Noise dosimeter
The best decontamination procedure is which of the following?
Not to get contaminated at all
What is the minimum level of protection that decontamination personnel should wear during decontamination of returning field personnel?
One level lower protection as workers in the Exclusion Zone
The monitoring requirements for an employee dressed in Level A PPE require which of the following?
Oral temperature, blood pressure, heart rate, body weight loss (water)
Site security should provide all of the following except?
Prevent OSHA and EPA site inspections
When should a site map be developed?
Prior to initial site entry
Which of the following is the most important relating to heat stroke?
Professional medical treatment must be administered as soon as possible
Match the class of hard hat with the correct description. - Class E (B)
Provides impact and penetration resistance and protection from high-voltage conductors
Match the class of hard hat with the correct description. - Class G (A)
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 C (C)
Provides impact and penetration resistance. They are usually made of aluminum which conducts electricity
Which of the following is not a component of an employee medical program?
Recreation
Which of the following is not true of the Support Zone?
Should be as close to the Exclusion Zone as possible
A low pressure warning alarm sounds on a SCBA unit, what should the worker do?
Signal your partner and get out of the hazard area as soon as possible
Wearing Chemical Protective Clothing (CPC) prevents what route of exposure to hazardous materials?
Skin
Wearing Chemical Protective Clothing (CPC) prevents which route of exposure to hazardous materials?
Skin
When using portable air monitoring instruments, all of the following are required except which of the following?
Superficially safe
The most effective first aid treatment for heat exhaustion is which of the following?
Take the victim to a cooler area and lay them down to allow blood to return to the head quickly
Colorimetric tubes designed to be used for a specific chemical can be affected by other chemicals present.
True
Each type of protective clothing has a specific purpose as well as certain limitations.
True
Encapsulated suits should be checked for deficiencies before they are used
True
Flame ionization detectors are generally used to detect and measure organic compounds.
True
Knowing the specific hazards involved in the job is important even though you are wearing protective clothing.
True
Over-protection and under-protection can be hazardous and should be considered carefully when selecting chemical protective clothing.
True
Who is required to pay for work-related medical surveillance exams?
The employer
Decontamination of equipment and PPE is generally not dependent on which of the following?
The overall cost
The hot line can be described by which of the following?
The point where the worker enters or leaves an exclusion zone
The most important factor to consider when deciding upon decontamination methods is which of the following?
The type of contaminant involved
The most important reason to set up "work zones" at a waste site is ____.
To isolate a hazardous area and lessen the risk to the public and waste site workers
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.
True
According to OSHA, employees who are required to wear respirators should have a medical evaluation prior to using a respirator.
True
All medical examinations and procedures shall be performed by or under the supervision of a licensed physician, preferably one knowledgeable in occupational medicine.
True
An integrated sample is collected when the results will be compared to an OSHA PEL.
True
How often should a Team Member be examined according to federal regulations?
Upon entering, on a periodic basis; following appearance of symptoms that indicate exposure; and upon termination from a Hazardous Materials Team
Using Level C personal protective equipment includes which of the following?
Wearing an air-purifying respirator
