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