Which is considered preferable for controlling a potential hazard?
1) Which is considered preferable for controlling a potential hazard?
A. Engineering controls
B. Health surveillance
C. Personal protective equipment
D. Administrative controls
2)The OSHA maximum permissible exposure level (PEL) for continuous noise for an 8-hour work period is:
A. 70 decibels
B. 80 decibels
C. 90 decibels
D. 100 decibels
3) The minimum temperature to which a substance must be heated before it will spontaneously burn independently of the source of heat is known as the
A. flash point.
B. lower flammability limit.
C. ignition temperature.
D. concentration of vapors.
4) Which electrical device is used to protect against electrical shock where wet conditions may be present?
A. ACFI
B. PETI
C. GFCI
D. RFCI
5) The lowest temperature that a flammable liquid must be heated so that it gives off vapor sufficient to form an ignitable mixture with the air near the surface of the liquid is known as the:
A. Fire Point
B. Ignition Point
C. Flash point
D. Upper explosive limit
6) The three general categories of lines of defense to prevent workplace exposure to toxic substances (in order of priority) are:
A. Engineering controls, administrative controls, and personal protective measures
B. SDS’s, training, and respiratory protection
C. Restricted access, adequate lighting, use of respirators
D. Frequent measurement for exposures, reporting to regulatory officials, and training of new employees
7) In a local hospital, a technician fixing a radiological machine spills some Cobalt-60 source material. As the hospital’s safety and health professional, you must provide guidance to protect the cleanup crews and hospital workers. Which three methods do you recommend for controlling the radiation and protecting the workers?
A. hose down area, establish “safe zone” for workers, require respirators
B. increase worker distance from contamination, reduce time allowed in area, shield workers from radiation source
C. incinerate contaminated area as much as possible, rope off area, bring in decontaminationunit
D. vaccinate cleanup crews, require protective clothing, give iodine tablets
8)The three basic variables of electromagnetic radiation are:
A. energy, wavelength, and frequency
B. speed, frequency, and wavelength
C. frequency, speed, and energy
D. speed, energy, and strength of the magnetic field
9) The OSHA hazard communication standard is a regulation that requires employers to
inform employees about
A. electrical safety hazards and the release of hazardous energy
B. potential exposure to hazardous chemicals
C. Inform employees about the hazards associated with confined spaces
D. All of the above
10) Fires are classified according to their properties, which relate to the nature of the fuel. What
class of fire has wood, plastic, textiles, paper as the fuel?
A. Class A
B. Class B
C. Class C
D. Class D
11) Which of the following is a form of cold stress?
A. Hyperthermia (Hypothermia)
B. Heat rash
C. Frostbite
D. Increased perspiration
12)Carpal tunnel syndrome is caused by
A . weakness in the tendons of the muscles in the arms due to repetitive motion.
B . compression of the median nerve passing through the carpal tunnel of the wrist.
C . replacement of the lining of the carpal tunnel of the wrist with fibrous tissue.
D . compression of the digital nerve as it passes over the carpal tunnel of the wrist.
13) Cesium 137 has a half life of 30 years. Sixty years from now, workers discover a container of Ce137. Compared to today, how much Ce137 would be in that container?
A. the same amount
B. half the amount
C. one quarter the amount
D. one eighth the amount
E. none
14) Which type of radiation is the most penetrating?
A. Alpha
B. Beta
C. Gamma
D. UV
Part 1, Section B (5Points each)
1) A. Discuss three major categories of hazard controls
B. Give at least two examples of specific control measures for each category.
C. What is the hierarchy of controls?
2) Skin conditions are a major occupational hazard. Discuss the nature and causes of occupational dermal hazards and the preventive measures that can be taken to prevent them from occurring. (Hint: use a table)
Causes of Occupational DERMAL HAZARDS PREVENTATIVE MEASUES
3) What is a BLEVE? Discuss the causes, prevention and remediation of a BLEVE (research question).
4) What are the symptoms of Silicosis? Identify the recognized cause(s).Describe the routes of exposure and indicate the affected industries.
5) A. Explain the key difference between the ionizing and non-ionizing radiation.
B. List the types of ionizing and non-ionizing radiation
C. Describe resultant health problems that can result with excess exposure to ionizing radiation and to non-ionizing radiation.
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