Flashcards in CSP Domain 6: Occupational Health And Ergonomics Deck (58)
What does OSHA consider a standard threshold shift (STS) for a hearing conservation program?
An average shift in either ear of 10 dB or more at 2000, 3000, and 4000 hertz
***Note employer has 21 days to notify employee of STS
Disorder that results from the narrowing of the tendon sheath that results from manual tasks involving radial or inward hand motions and firm grips
De Quervain’s disease
*Form of tenosynovitis
A suspension scaffold held up by rope or wire must be capable of supporting what weight?
6 times the load
Lifting frequency when using the NISOH lifting equation
Number of lifts in a 15 minute period
Type of hearing loss that occurs as a combination of conductive and sensorineural
One substance does not have a toxic effect on a certain organ system; however, when it combines with another chemical, it makes the combination of the two greater
According to Epidemiological theory, what are some situational charecteristics?
Risk assessment by individuals
What is a major drawback to using canopy hoods?
The potential for the worker to place him or herself between the contaminant and the exhaust stream
What is the basic aim of industrial engineers and ergonomics
To fit jobs to people
What is the technical condition for carpenters elbow/tennis elbow/golfers elbow?
From the combined action of pronation of the hand and ulnar deviation
At what height must guardrails or other approved protection be in place for scaffolding?
What focuses on behavioral and cognitive characteristics of performance and safety?
Human Factors Engineering
Type of hearing loss that occurs in the inner ear, damage to the organ of the corti occurs and is irreversible
Which method is MOST commonly used to prevent falls?
What does the following symbol represent? L_(w)’
Sound power level
What is fact about reflective clothing:
It can stop the skin from absorbing radiant heat
Type of hearing loss that occurs in the outer or middle ear and the loss of “loudness” only occurs?
The machine elements of the interface between man and machine are:
What is the normal range of human hearing?
500-3,000 Hz is the frequency of human speech range
How do you modify a PEL or TLV for a work shift greater than 8 hours
(PEL or TLV x 8)/shift duration
What is the timeframe for employers to provide baseline audiograms (OSHA)?
Within 6 months of their first exposure above 8 hr TWA of 85 dB
What are the six characteristics of adult learners?
1)autonomous and self directed
3)foundation of life experiences and knowledge
5)need to be shown respect
6)practical in nature
What causes metal flume fever and what are the symptoms?
Caused by inhalation (and absorb ion through eyes) of copper flumes.
Eye, nose and throat irritation and other flu like symptoms
May also include a metallic or sweet taste in mouth
Positioning devices should be rigged so that the employee cannot free fall more than what distance
What type of indicator is good for counter or digital displays?
Quantitative (requires minimum reading time with minimum reading error)
What does not have a correlation with development of Asbestosis
The age of the exposed person
According to Epidemiolgical theory, what are predisposition charecteristics?
Susceptibility of people
Dilution ventilation is used to control:
-Contaminants of a moderate toxicity
-a large number of sources
-where emission sources are well distributed
What units measure noise frequency and intensity?
Frequency= Hertz (Hz)
Intensity= Decibels (dB)