CSP Domain 6: Occupational Health And Ergonomics Flashcards Preview

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Flashcards in CSP Domain 6: Occupational Health And Ergonomics Deck (58)
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1

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

2

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

3

A suspension scaffold held up by rope or wire must be capable of supporting what weight?

6 times the load

4

Lifting frequency when using the NISOH lifting equation

Number of lifts in a 15 minute period

5

Type of hearing loss that occurs as a combination of conductive and sensorineural

Mixed

6

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

Potentiating

7

According to Epidemiological theory, what are some situational charecteristics?

Peer pressure
Risk assessment by individuals
Attitude

8

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

9

What is the basic aim of industrial engineers and ergonomics

To fit jobs to people

10

What is the technical condition for carpenters elbow/tennis elbow/golfers elbow?

Epicondylitis

From the combined action of pronation of the hand and ulnar deviation

11

At what height must guardrails or other approved protection be in place for scaffolding?

10 ft

12

What focuses on behavioral and cognitive characteristics of performance and safety?

Human Factors Engineering

13

Type of hearing loss that occurs in the inner ear, damage to the organ of the corti occurs and is irreversible

Sensorineural

14

Which method is MOST commonly used to prevent falls?

Guardrails

15

What does the following symbol represent? L_(w)’

Sound power level

16

What is fact about reflective clothing:

It can stop the skin from absorbing radiant heat

17

Type of hearing loss that occurs in the outer or middle ear and the loss of “loudness” only occurs?

Conductive

18

The machine elements of the interface between man and machine are:

Controls
Machine Operation
Displays

19

What is the normal range of human hearing?

20-20,000 Hz

500-3,000 Hz is the frequency of human speech range

20

How do you modify a PEL or TLV for a work shift greater than 8 hours

(PEL or TLV x 8)/shift duration

21

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

22

What are the six characteristics of adult learners?

1)autonomous and self directed
2)goal orientated
3)foundation of life experiences and knowledge
4)relevancy orientated
5)need to be shown respect
6)practical in nature

23

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

24

Positioning devices should be rigged so that the employee cannot free fall more than what distance

2 feet

25

What type of indicator is good for counter or digital displays?

Quantitative (requires minimum reading time with minimum reading error)

26

What does not have a correlation with development of Asbestosis

The age of the exposed person

27

According to Epidemiolgical theory, what are predisposition charecteristics?

Susceptibility of people
Perceptions
Environmental factors

28

Dilution ventilation is used to control:

-Contaminants of a moderate toxicity
-a large number of sources
-intermittent exposures
-where emission sources are well distributed

29

What units measure noise frequency and intensity?

Frequency= Hertz (Hz)

Intensity= Decibels (dB)

30

The combined effects of two chemicals interferes with each other

Antagonistic