CHST Exam Preparation Questions With Complete Solutions, Exams of Community Health

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CHST Exam Preparation Questions With

Complete Solutions

What is ANSI Z16.2? hhCorrect Answers hhMethods of Recording and Compiling Injury and Illness Statistics,

What is CHEMC TREC hhCorrect Answers hhThe Chemical Transportation Emergency Center operated by the American Chemistry Concil that provides repsonse to HAZMAT incidents.

How do you calculate the incident rate? hhCorrect Answers hhRecordable accidents times 200,000 divided by the total hours worked.

What does the incident rate formula yield? hhCorrect Answers hhThe formula yields the rate of injuires per hundred workers.

What is the fellow servant rule? hhCorrect Answers hhA defense which, prior to the enactment of workers compensation laws, could be used by an employer to protect his self when sued by an employee for damaged on account of injury caused by one or more fellow employees.

What is a percentile? hhCorrect Answers hhPercentiles are varialbes, below which a percentage of this group fall. The 25th percentile is also known as the first quartile (Q1), the 50th percentile as the median or second quartile (Q2), and the 75th percentile as the third quartile (Q3).

What is ANSI Z 87.1? hhCorrect Answers hhdeals with Occupational and Educational Eye and Face Protection

What is ANSI Z 89.1? hhCorrect Answers hhthe authority on protective headgear for industrial workers.

What is ANSI A 12.1? hhCorrect Answers hhthe standard for floor and wall openings, railings and toeboards.

What is the formula for distance? hhCorrect Answers hhDistance = Speed times time.

What is 1926.95a? hhCorrect Answers hhApplication." Protective equipment, including personal protective equipment for eyes, face, head, and extremities, protective clothing, respiratory devices, and protective shields and barriers, shall be provided, used, and maintained in a sanitary and reliable condition wherever it is necessary by reason of hazards of processes or environment, chemical hazards, radiological hazards, or mechanical irritants encountered in a manner capable of causing injury or impairment in the function of any part of the body through absorption, inhalation or physical contact.

What does the heinrich pyramid say? hhCorrect Answers hhFor every 300 no injury accidnents, there are 29 minor and 1 major injury accidents. Recent progressive theory includes the addition of 600 near misses to the pyramid.

What did Heinrich's research lead to? hhCorrect Answers hhAn increased emphasis on the unsafe actions of employees, rather than unsafe conditions caused by the workforce.

What is Heinrich's Behavoir Based Safety? hhCorrect Answers hhHeinrich's work is the basis for the theory of Behavior-based safety, which holds that as many as 95 percent of all workplace accidents are caused by unsafe acts. Heinrich came to this conclusion after reviewing thousands of accident reports completed by supervisors, who generally blamed workers for causing accidents without conducting detailed investigations into the root causes.

What is the IARC? hhCorrect Answers hhThe International Agency for Research on Cancer (IARC) is part of the World Health Organization.

What is the NTP? hhCorrect Answers hhNational Toxicology Program

What three sources does OSHA want chemical manufactors to treat as sources for establishing that a chemical is a carcinogen or potential carcinogen for hazard communication purposes? hhCorrect Answers hhIARC monographs latest edition. NTP annual report on carcinogens. 29 CFR part 1910, subpart Z, toxic and hazardous substances.

Define preempt hhCorrect Answers hhTo appropriate, seize, or take for oneself before others. a. To take the place of; displace: A special news program preempted the scheduled shows. b. To have precedence or predominance over: Discussion of the water shortage will preempt the other topics on this week's agenda.

3. To gain possession of by prior right or opportunity, especially to settle on (public land) so as to obtain the right to buy before others. To make a preemptive bid in bridge.

IARC group 1 is? hhCorrect Answers hhThe agent is carcinogenic to humans.

What is IARC group 2A? hhCorrect Answers hhThe agent if probably carcingogenic to humans.

What is IARC group 2B? hhCorrect Answers hhThe agent is possibly carcinogenic to huans

What is IARC group 3? hhCorrect Answers hhThe agent is not classifiable as to its carcinogenicity to humans.

What is IARC group 4? hhCorrect Answers hhTHe agent is probably not carcinogenic to humans.

What IARC listed chemicals must be included on both MSDS and labels? hhCorrect Answers hhGroup 1 and 2A

How long should an MSDS be kept on file? hhCorrect Answers hhMSDSs are considered Employee Exposure and Medical Records and as such must be kept for 30 years.

What are examples of OSHA performance based standards? hhCorrect Answers hhHazard Communication and training. THis means that you have the flexability to adapt to the rule to meet the needs of your individual workplace.

Does the federal communication standard preempt the state law? hhCorrect Answers hhYes, where the two laws conflict.

How does OSHA define a trench or trench excavation in 1926.650? hhCorrect Answers hhTrench (Trench excavation)" means a narrow excavation (in relation to its length) made below the surface of the ground. In general, the depth is greater than the width, but the width of a trench (measured at the bottom) is not greater than 15 feet (4.6 m). If forms or other structures are installed or constructed in an excavation so as to reduce the dimension measured from the forms or structure to the side of the excavation to 15 feet (4.6 m) or less (measured at the bottom of the excavation), the excavation is also considered to be a trench.

What is hxpoxia? hhCorrect Answers hhs a pathological condition in which the body as a whole (generalized hypoxia) or a region of the body (tissue hypoxia) is deprived of adequate oxygen supply. It is caused by lack of oxygen and can be experienced by industiral workers in extremem elevations under heavy workloads or in confined spaces with o2 deficiences.

What is caisson disease? hhCorrect Answers hhDecompression sickness which could be expericned in divers or other high pressure environments like underwater tunnels where pressure is maintained to avoid the affects of water leaking onto the heading.

What is dequervian disease? hhCorrect Answers hhOften seen in workers who perform manual tasks requiring firm grips. It is a

disorder from the narrowing of the tendon sheath for the abductor muscles of the thumb.

What is Raynaud's phenomenon? hhCorrect Answers hhSometimes called white finger and results from combination of cold and vibration.

What types of records can a designated employee representative access? hhCorrect Answers hhThe OSHA standard recognizes two types of designated representatives: (1) an individual or organization to whom the employee has given written authorization to access his or her medical or exposure records, and (2) a recognized or certified collective bargaining agent. To access employee information, employee representatives must follow very specific requirements.

What is the span of control? hhCorrect Answers hhThe area of activity or number of functions, people, or things for which an individual or organization is responsible.

What are horizontal standards? hhCorrect Answers hhOSHA safety standards are designed to reduce on-the-job injuries; health standards to limit workers' risk of developing occupational disease. Most OSHA standards are horizontal — they cover hazards which exist in a wide variety of industries. These are compiled as the OSHA General Industry Standards.

What are vertical standards? hhCorrect Answers hhVertical standards apply solely to one industry. OSHA has promulgated vertical standards for the construction, agriculture, and maritime

sectors. Some general industry standards apply to construction, agriculture, and maritime as well.

What is a Proprietary standard? hhCorrect Answers hhProprietary standards are determined for OSHA by professional experts within specific professional societies, associations or industries. All proprietary standards are decided with a straight membership vote, not by consensus. An example of a proprietary standard is the standard for Safe Handling of Compressed Gas Cylinders adopted from the Compressed Gas Association (CGA).

What is the 1991 NIOSH lifting equation? hhCorrect Answers hhRWL - LCHMVMDMAMFMCM

What is H in terms of NIOSH lifting 1991 equation? hhCorrect Answers hhHorizontal distance of hand from midpoint between ankles.

What is V in terms of NIOSH lifting 1991 equation? hhCorrect Answers hhVerticale distance from the hands to the floor.

What is D in terms of NIOSH lifting 1991 equation? hhCorrect Answers hhVertical travel distance between the origin and the destination of the lift.

What is A in terms of NIOSH lifting 1991 equation? hhCorrect Answers hhAngle of asymmetry - angular displacement of the load from the sagittal plane.

What is F in terms of NIOSH lifting 1991 equation? hhCorrect Answers hhAverage frequency rate of lifting measure in lifts/min.

What is C in terms of NIOSH lifting 1991 equation? hhCorrect Answers hhType of grip attained on object to be lifted.

What is LC in terms of NIOSH lifting 1991 equation? hhCorrect Answers hhLoad constant

What is M in HM, VM, DM, AM, FM, CM in terms of NIOSH lifting 1991 equation? hhCorrect Answers hhThe work multiplier.

What is a fault tree anaylsis good for? hhCorrect Answers hhExcellent for scaling down huge complex systems although the tree itself becomes fairly complex.

What is the Multilinear Events Sequencing (MES) hhCorrect Answers hhAn accident investigation tool developed by Ludwig Benner Jr. of the National Transportation Safety Board and used extensively in aircraft mishaps investigations. MES is a flow- charting methodology puts events in sequence.

What is Failure Modes and Effects Anaylsis? hhCorrect Answers hhOriginally developed to allow predictions for the reliablity of complex systems. It uses a tabular format to identify failures and the effect on the overall system. It is an excellent tool for spotting single point failures.

The signal word for a sign must be readable at what distance? hhCorrect Answers hhThe signal word shall be readable at a minimum distance of five feet (1.52 m) or such greater distance as warranted by the hazard.

What is a harmful effect of Perchloric acid? hhCorrect Answers hhWith age it can become unstable. One indication is crystal growth around.