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Certified Safety Professional Exam > CSP Domain 6: Occupational Health And Ergonomics > Flashcards

CSP Domain 6: Occupational Health And Ergonomics Flashcards

1
Q

What does OSHA consider a standard threshold shift (STS) for a hearing conservation program?

A

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

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2
Q

Disorder that results from the narrowing of the tendon sheath that results from manual tasks involving radial or inward hand motions and firm grips

A

De Quervain’s disease

*Form of tenosynovitis

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3
Q

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

A

6 times the load

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4
Q

Lifting frequency when using the NISOH lifting equation

A

Number of lifts in a 15 minute period

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5
Q

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

A

Mixed

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6
Q

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

A

Potentiating

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7
Q

According to Epidemiological theory, what are some situational charecteristics?

A

Peer pressure
Risk assessment by individuals
Attitude

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8
Q

What is a major drawback to using canopy hoods?

A

The potential for the worker to place him or herself between the contaminant and the exhaust stream

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9
Q

What is the basic aim of industrial engineers and ergonomics

A

To fit jobs to people

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10
Q

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

A

Epicondylitis

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

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11
Q

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

A

10 ft

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12
Q

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

A

Human Factors Engineering

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13
Q

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

A

Sensorineural

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14
Q

Which method is MOST commonly used to prevent falls?

A

Guardrails

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15
Q

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

A

Sound power level

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16
Q

What is fact about reflective clothing:

A

It can stop the skin from absorbing radiant heat

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17
Q

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

A

Conductive

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18
Q

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

A

Controls
Machine Operation
Displays

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19
Q

What is the normal range of human hearing?

A

20-20,000 Hz

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

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20
Q

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

A

(PEL or TLV x 8)/shift duration

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21
Q

What is the timeframe for employers to provide baseline audiograms (OSHA)?

A

Within 6 months of their first exposure above 8 hr TWA of 85 dB

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22
Q

What are the six characteristics of adult learners?

A

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

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23
Q

What causes metal flume fever and what are the symptoms?

A

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

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24
Q

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

A

2 feet

25
Q

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

A

Quantitative (requires minimum reading time with minimum reading error)

26
Q

What does not have a correlation with development of Asbestosis

A

The age of the exposed person

27
Q

According to Epidemiolgical theory, what are predisposition charecteristics?

A

Susceptibility of people
Perceptions
Environmental factors

28
Q

Dilution ventilation is used to control:

A
  • Contaminants of a moderate toxicity
  • a large number of sources
  • intermittent exposures
  • where emission sources are well distributed
29
Q

What units measure noise frequency and intensity?

A

Frequency= Hertz (Hz)

Intensity= Decibels (dB)

30
Q

The combined effects of two chemicals interferes with each other

A

Antagonistic

31
Q

When replacing fluids during work in hot environments, which rule should be followed?

A

The worker should drink an amount of fluid equal to the amount he or she sweats.

32
Q

The combined effects of chemicals is equal to the sum of each acting independently

A

Additive

33
Q

How long does it take for a person to acclimatize to heat?

A

2 weeks

34
Q

What is rule of thumb for acclimatizing people to extreme temperature changes in work environment?

A

Expose them to extreme temps for approximately 20% on each day for 5 days

35
Q

Caused by compression of the median nerve, median artery, and tendons in wrist

A

Carpel tunnel syndrome

Tendons pass through carpel tunnel of wrist

36
Q

What is the PEL for Benzene?

A

1 ppm

37
Q

What should be the first ergonomic adjustment for a computer workstation

A

Chair height

Next is getting work surface height correct (monitor/keyboard)

38
Q

What is the latency period for mesothelioma?

A

20-30 years

39
Q

An employer is required to do what to all employees who are reasonably anticipated to have exposure to blood and other potentially infectious material?

A
  • Make Hep B vaccinations available free of cost
  • Post exposure evaluation and follow up
  • Must take a written statement of refusal from employee if they refuse vaccination.
40
Q

Which injury is associated with vibration?

A

Raynaud’s syndrome

41
Q

Results of repetitive use of individual fingers for the operation of switches and buttons

A

Trigger finger

42
Q

When the combination of two chemicals is much greater than the sum effect of each agent acting dependently

A

Synergistic

43
Q

What is the OSHA PEL for formaldehyde?

A

0.75 ppm

44
Q

What are the workload categories as per the CSHO?

A

Light work: up to 200 kcal/hr
Medium work: 200-350 kcal/hr
Heavy work: 350-500 kcal/hr

45
Q

Which symptoms are associated with chronic exposure to manganese?

A

Multiple mental,cognitive and emotional disorders along with neurological disorders that effect muscles, speech and movement

*No known respiratory effects

46
Q

What are some examples of static collectors?

A

Copper combs
Metallic tinsel
Copper Brushes

47
Q

What is the latency period for asbestosis?

A

10 to 20 years

48
Q

According to the NIOSH lifting equation, the horizontal locations is defined as:

A

The distance of the hands away from the midpoint between the ankles in inches or centimeters

49
Q

According to the NIOSH lifting equation, the vertical location is defined as:

A

The distance of the hands above the floor

50
Q

According to the NIOSH lifting equation, the asymmetry angle is defined as:

A

The angular measure of how far the object is displaced from the front of the worker’s body at the beginning or end of the lift.

51
Q

What is the safety zone in regards to hard hats?

A

The space between the hard hat and the suspension which should be a minimum of 1 inch up to 1 1/4 inches

52
Q

Occurs when a tendon sheath swelling is filled with synovial fluid. Commonly found on the radial side of the wrist.

A

Ganglion Cyst, type of CTD

53
Q

CTD known as roofer’s knee or carpet layers knee

A

Prepatellar Bursitis

54
Q

Funnel CHest

A

Inherited condition. Known as Pectus Excavatum.

NOT a CTD

55
Q

What are the primary standards of calibration for air sample pumps?

A
  • Spirometer
  • Bubble Burette
  • Electronic soap bubble flow meter
56
Q

What are the secondary standards for calibrating air sampling pumps?

A

Wet test gas meter
Dry gas meter
Rotameters

57
Q

What material is associated with renal failure

A

Cadmium

58
Q

When using a dosimeter that is not capable of C-Weighted measurements, what methods can be used for assessing hearing protector adequacy?

A
  • convert A weighted dose to TWA
  • Subtract 7 dB from the NRR
  • Subtract the reminder from the A weighted TWA to obtain estimated A weighted TWA under ear protector

Certified Safety Professional Exam (13 decks)

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