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:
