HSC 362 Final Study Guide

Criminal Intent Violence (Type 1

85% of all Workplace violence homicides are a result of:

TRUE

A carefully considered job rotation plan will ensure that workers are not exposed to similar risk factors on different jobs?

goniometer

A device used to measure body angles and shapes is called a

accelerometer

A device used to measure vibration in workers is called a:

Posting a "wet floor sign" in the area of a wet floor

A key administrative control for reducing the number of occupational slips would be:

Lifting Index; The relationship between the weight of the load lifted and the recommended weight limit

A relative estimate of the level of physical stress associated with a particular manual lifting task is called the

Work System

A system comprising of one or more workers and work equipment acting together to perform the system function, in the workspace, in the work environment, under the conditions imposed by the work tasks is called a?

Low slip resistance

According to ANSI a wet floor with a DCOF value of 0.30 or below would be categorized as a

30%

Approximately what proportion of injury and illness that cause days-away-from-work are related to work-related musculoskeletal disorders

Using instrumentation Observation Measuring time/biomechanical analysis

As discussed in class, what are three possible ways to measure the force needed for a worker to perform a task

Increases

As the speed of a power tool increases, the force of the grip needed to hold and control the too

Mid-Sagittal Plane

Asymmetry angle is a measure of how far the object is displaced from the front of the worker's body at the beginning and ending of the lift as measures from the:

Disruption, Accidents, Illness, disability, Legal liabilities, Absenteeism, Turnover, Reduced job performance/productivity, Stress = $300 billion per year

Bullying and harassment has been shown to negatively affect organizations. What are some of the direct effects on organizations with bullying and harassment problems?

Yes

Does the NIOSH lifting equation only apply to two-handed lifts?

TRUE

Engineering-type ergonomic controls have a higher priority than administrative type controls?

More_

Fluorescent lighting tends to be __ efficient than incandescent lighting/

Ligaments

Generally non-parallel fibers that connect bone to bone and are relatively inflexible and static are known as:

External Precision Grip

Holding a pen where it is pinched by the thumb against the index and middle finger is an example of an

May lead to physical violence or suicide

If bullying and harassment is left unchecked in an organization, what is the worst thing that can happen?

1.16 (35/30)

If you had an object weight of 35 pounds as a recommended NIOSH job analysis weight limit of 30 pounds, what would the lifting index for this task be?

Workplace violence

If you were asked to do a safety assessment of a late night convenience store, what might be the issues you were most concerned with at the job site?

TRUE

In addition to compression of soft muscle tissues, awkward body postures are associated with reductions in strength capabilities?

Understanding the job better helps to ensure better controls are implemented

In ergonomics design studies the jobs are often broken down into discrete steps and tasks for detailed evaluation. What are the advantages of performing analyses in this manner?

Patient misdiagnosis, administering the wrong dose, misinterpretation of clinical information, reduced infection control practice, mishandling of sharp, inappropriate treatment, administering the wrong type of blood

In healthcare, long working hours have been associated with:

Left

In most cultures, to turn something off you would turn the knob to the:

Mid-sagital plane

In the prombumroon study of how far the object is displaced from the front of the worker's body at the beginning and ending of the lift as measured from the

False

It has been shown that in workplaces that are inherently dangerous, such as late night retail stores, employers do not have any responsibility for the protection of their workers from workplace violence

False

It has been shown that in workplaces that are inherently safe, such as office parks, employers have no need to protect their workers from workplace violence

High stress/extended hours

It has been shown that there is more than double the rate of heart and cardiovascular problems in workers where jobs have?

injury illness

It is well documented that higher levels of organizational stress in a workplace can lead to:

Reduce burnout and stress, increase job satisfaction

Job enlargement, task rotation, self-directed work teams, improved work organization, and good balance of job demands with job control are al design methods that are primarily used to

Strains and Sprains (50%)

Most musculoskeletal disorders in truckers were reported to be from:

Ligaments

Non-parallel fibers that connect bone to bone are called:

100 closest to natural light

On the color rendering index, which of the following represents the closest to natural light?

Bullying is repetitive

One special defining characteristic of workplace bullying that separates it from other abusive behavior is that:

The normal time expected to work

Over time is generally considered anything over

Sleepiness, coronary heart disease, mortality from >45, reduced respiratory capacity, cardiovascular stress

Overtime and extended hours have been associated with

making sure the workers capabilities exceed the capabilities of the machine

Perhaps one of the most important principles for design of system or machine control is

adduction

Pulling your arm down close to your side is called

30 lumens (foot-candles)

Recommended light levels for an office building should be:

Supination

Rotating your wrist so that your hand faces upward is called:

FALSE

Static muscular exertions lead to increased blood flow to contracted muscles?

False

T or F Wrist circumference is an example of functional anthropometry?

Functional anthropometry Normal working areas

The "zone of convenient reach" is an example of which of the following:

ACGIH: 4 m/s2 European commission: 5 m/s2

The ACGIH threshold limit values for vibration exposure to the whole body for an entire 8 hour day are ___. What about the European commission?

True

The NIOSH lifting equation does not apply when the worker is kneeling or seated

Color rendering Index, Color accuracy

The ability of a light source to show colors realistically, compared to how an object would appear incandescent or natural light is called

Abduction

The act of pulling your arm away from your side is an example of:

LED

The best type of lighting for important task lighting such as artwork, because of good color rendition is

Luminaire

The complete lighting fixture including the wiring, lens, trim, shade, and ballast is considered the

Horizontal Location ( Measure at the origin and destination of lift)

The distance of the hands away from the midpoint between the ankles is called the

Transverse plane

The imaginary line that cuts your body in upper and lower halves is called the

High Intensity Discharge Lights

The lighting type that created light by excitation of gases, and is not sensitive to either high or low environmental temperatures is known as

FALSE

The main objective of ergonomic programs is to balance worker capacity and task demand by "fitting the worker to the job"

Strain, Sprains, Tears

The majority WMSDs are

Back

The majority of musculoskeletal pain in strawberry picker is in th

torque

The moment of force that tends to cause rotation about an axis is also known as:

Verbal Abuse

The most common form of workplace bullying and harassment is

Law enforcement

The occupational group with the highest percentage of non-fatal assaults each year are?

3rd order (Fulcrum → Force → load)

The picture below represents what type of lever? (guide Q 81)

Cognitive

The three main domains of human factors design include the physical, organizational, and:

Cardiac, Smooth, Skeletal

The three primary types of muscles in the body are

Construction, manufacturing/ mining, and agriculture/ fishing

The top three workplace exposures for vibration are:

Glare

The uneven distribution of light causing excess contrast or abrupt changes in brightness in space is called?

Absolute value of the difference between the vertical heights at the destination and origin of the lift, in inches or centimeters

The vertical travel distance is the:

True

Tobacco and stimulant drugs should be minimized for workers using hand tools for extended periods because they may restrict blood flow to the skin in the extremities by as much as 40%

FALSE

We would look to redesign for jobs in which the capacities of the workers meet or exceed the demands of the tasks that are apart of the jobs?

The consultant doesn't know the environment as well or the processes and procedures of the job/task as well

What are some basic disadvantages of hiring expert consultants from outside the organization to perform work station and ergonomic musculoskeletal job hazard analysis?

Identify Hazard, Assess risk, Control risk, Review controls

What are the four best overall steps to the ergonomic evaluation process

It fits directly to the workers that will be using the workstation

What are the main advantage of having the workers involved in a workstation design analysis

Human-machine interface. Machine interface-machine programming. Machine programming- work being done

What are the three basic steps involved in human-machine workplace interaction

Linear (rectilinear & curvilinear) Angular or Rotational Combined or General

What are the three basic types of biomechanical motion?

Age, sex, ethnicity

What are three common sources of human anthropometric variability

Torque on the shoulder also increases

What happens to the moment (torque) on your shoulder when you increase d?

A change in velocity; increase in speed.

What is the definition of acceleration?

Body is at rest or in a uniform motion will tend to remain at rest or in a motion unless acted by an external force or torque

What is the first Newtonian law of motion?

First class (Load <-- Fulcrum <-- Applied force)

What is the fulcrum in this lever? (guide)

Having to look away from the road to adjust volume/channel

What is the main problem with having a touchpad for stereo control in an automobile

Center of Mass

What is the name for the imaginary point where there is an intersection of all three cardinal planes, where all the mass of the body or system is concentrated?

It gives both left-handed and right-handed individuals the ability to use the tool/control

What is the primary advantage provided by ambidextrous tools or controls?

Lower back pain

What musculoskeletal disorder is the primary focus for the NIOSH lifting equation?

29.5%

What percentage of dental hygienists are reported to retire due to musculoskeletal disorders?

Inkstool

What special equipment was discussed in the class presentation for improvement in the posture of tattooist?

Top, Side, Front

What three orthogonal views should typically be drawn in an ergonomic study sketch of a job task location or activity?

Second class lever

What type of lever doe the following diagram represent for this anatomical action? (guide 91)

Power grip

When the hand makes a fist with the forefinger on one side and the thumb reaching around to grasp the tool, such as a hammer or screwdriver, it is called a

Thumb

When workers pick strawberries by hand most of the forces are localized in the;

Lifting/lowering while seated or kneeling Lifting/lowering with one hand Lifting/lowering for over 8 hours Lifting/lowering in a restricted work space Lifting/lowering unstable objects Lifting/lowering while carrying, pushing, pulling Lifting/lowering with wheelbarrows or shovels Lifting/lowering with high speed motion (faster than about 30 inches/second) Lifting/lowering with unreasonable foot/floor coupling (<0.4 coefficient of friction between the sole and the floor)

Which of the following is not covered by the NIOSH Lifting Equation?

"Part of the job" syndrome Consequence of living in a violent society Fear of blame or reprisal Lack of management/peer support No serious injuries Not worth the effort

Why don't workers who experience bullying or harassment report it

Mobbing

Workplace bullying or harassment that involves more than one perpetrator is commonly termed

Type 2

Workplace violence typology that is defined by customer/client violence is identified as: