Occupational Health & Safety Test 2 Chap 5, 6 &7
Sanjay is looking forward to his new job as a Conservation Officer working at Point Pelee National Park. What disease is he at higher risk for when working at Point Pelee and how can he protect himself?
Lyme disease; use insect repellant containing DEET
Cyberbullying (tweets, comments on Facebook) is a form of interactional injustice.
True
What is the recommended remedy for occupational asthma (e.g. crab asthma experienced by the snow crab workers in Newfoundland)?
changing to employment in another industry
Stressors may vary along which of the following dimensions?
frequency of occurrence, intensity, duration, and predictability
What heat-related condition could you resolve by giving workers salty crackers along with some water?
heat cramps
If Julia has developed a work-related occupational disease involving the central nervous system, what organic compound is mostly likely to be the cause?
hydrocarbons
Which of the following is most likely to create a synergistic effect with airborne chemicals in a manufacturing plant?
the plant being located in a valley
What is the difference between a fume and a vapour?
the material in a fume condenses with air contact
Who is responsible for publishing the new voluntary standard for psychological health and safety in the workplace?
Canadian Standards Association
If a kitchen worker gets locked into the walk-in freezer either by accident or by a misguided prank, when you finally find them, what symptom would tell you that he or she is suffering from moderate hypothermia?
abnormal drowsiness
What has research to date indicated about the use of cellphones and the risk of brain cancer?
cancer risk is unclear
Why have primary stress interventions not been widely implemented in Canada?
senior manager resistance
Imagine a large scale kitchen operation such as the Mandarin, Boston Pizza, or Swiss Chalet. Even though restaurant customers might experience a relatively quiet, comfortable, and relaxing atmosphere out front, in the kitchen area, there are many physical agents that can impair the safety and health of kitchen workers and servers. During the dinner hour when there are a lot of boiling pots, frying pans, and hot ovens in constant operation, what is likely to be the typical humidex range captured using the WGBT index?
40-45 degrees C
Constructive feedback is a tangible form of social support.
False
The Globally Harmonized System is a system that would establish consistency around in world in terms of what?
classification and labelling of chemical products
What type of biological agents, which if inhaled, can cause occupational diseases in farmworkers?
fungal
School boards can generate the "free field effect" for teachers by taking what action?
having longer recess and lunch periods
In the equation for thermal stress, what does the character M stand for?
metabolic heat production
What is an example of an organizational secondary stress intervention?
offering an on-site fitness centre
Multiple Chemical Sensitivity (MCS) is also known as twenty-first century disease.
False
Organic solvents fall into two classes-acids and bases.
False
What is the definition of stress?
an individual's internal response to, or evaluation of a demand that arouses negative feelings
What is an example of an individual tertiary stress intervention?
seeing a psychotherapist
Marguerite turns up the sound on her computer speakers by 3 dB to play her favourite song. How much louder would this sound be to Genevieve who is in the next cubicle next?
twice as loud
What two personality characteristics are particularly relevant to stress?
type A behaviour pattern and negative affectivity
According to the Canadian Centre for Occupational Health and Safety, when might a workplace be too noisy?
when employees stop going out after work
Hearing loss can be caused by exposure to chemicals in the workplace.
True
Gianni's manager has noticed that Gianni seems to be regularly engaging in presenteeism. What is the most likely explanation for this behaviour?
Gianni is worried about his job
Rick is the supervisor of a road crew working on highway resurfacing. What administrative control would help his workers acclimatize to working in the heat?
mandatory water breaks
What are the four categories of strain reactions?
psychological, physical, behavioural, and organizational
Rob's doctor has told him that his alveoli are seriously damaged. In what shape are his cilia likely to be?
severely damaged
From which source could a chef or sous chef (preparation cook) be exposed to ionizing radiation?
vegetables
Employees with diabetes and other conditions often need to inject themselves at work to keep their condition under control. What is an administrative control that the human resource management department can implement to protect everyone from needlestick injuries?
provide education and training to all employees
In the lab, HIV (I and II) requires the same level of control as what other biohazard?
rabies
What is experienced by an employee who feels that his salary is too low given his amount of responsibility and the long hours he works?
distributive injustice
The kitchen has a number of large floor-standing mixers for mixing large batches of cake and bread dough. The frequency of these mixers is 75 Hz. What part of the body would be affected by resonance at this frequency?
eyeballs
Isolation that comes from working at home will produce psychological strain in teleworkers.
False
Ruby Lee is always late to meetings, and her typical excuse is "I just tried to get one more thing done." Javier Suarez is always on time and drums his fingers on the table while he waits for Ruby. Ruby and Javier are both Type A personalities.
True
What size is the typical airborne particle found in fumes and smoke?
less than 1 micron
Which of the following is most likely to be an outcome of family-to-work conflict?
long lunch breaks
What type of non-ionizing radiation is more likely to cause damage to the retina of the eye?
long ultraviolet radiation
Besides record keeping, what control measure ensures that baseline tests will be available when needed?
medical surveillance
Ergun works from a home office as a salesperson for a large drug company. How can his sales manager determine whether working from home is a psychosocial hazard for Ergun?
monitor his sales activity and results
What are the four components that researchers and practitioners of occupational health psychology focus on to reduce work-related psychosocial disorders?
organizational change, information, psychological health services, and surveillance
In what three ways can noise affect humans?
physiological damage, physiological effects, and psychological effects
Bruce Hsieh has a job servicing office printers and copiers in downtown Vancouver. According to recent research, what occupational disease may he be at higher risk of acquiring than his brother who is a zookeeper?
MCS
Rafael has worked in a metal processing facility for six months and believes he has suffered toxic exposure to chromic acid. What symptom would help his doctor assess this claim?
changes to his skin
What two categories of stressor have, or can have, a long duration?
chronic and catastrophic
What two basic types of physiological damage can create hearing loss?
conductive and sensorineural
What toxic substance is most likely to produce dermatitis?
contact irritant
Which of the following serious physical conditions is the most prominent outcome of stress?
coronary heart disease
What three characteristics is the human hearing response conditional on?
frequency, duration, and loudness
Based on the factors identified in the NIOSH model of workplace stressors, whose job has the most potential to be stressful?
highly paid assembly line worker
Which of the following devices emits ionizing radiation?
hospital scanner
Through what physiological system would poison ivy have an effect on gardeners and agricultural workers?
immune system
According to the textbook, what is the main reason why stress is related to increased workplace accidents in any job?
impaired concentration
Long-distance truck drivers could be subject to what whole-body vibration related problem as a result of sitting over or near the engine for long periods of time?
impaired vision
Which of the following is an example of a primary stress intervention?
providing flexible working conditions
By which four routes can chemicals enter the body?
respiration, skin absorption, skin penetration, and ingestion
What type of moderator can aggravate an individual's response to a stressor?
risk factor
What model would explain why Celeste is unaffected by a network outage, whereas Celine is screaming loudly at the office's network administrator?
socio-technical model
The carbon monoxide detector suddenly goes off in the car dealership's administration offices due to leaking fumes from the automotive service area. What type of toxicity should the dealership manager be concerned about for his office workers?
systemic toxicity
What characteristic of a solvent is related to its speed of evaporation?
volatility
Evan is the OH&S manager for a research lab that has Biosafety Level 1 (BSL 1) organisms. What does he need to do to protect himself from these type of organisms?
wash his hands before he eats lunch at work
In what situation could frostbite happen as quickly as frostnip?
when the worker is exposed to cold compressed gas
What factor would explain why in a cold climate, Worker A can raise their body temperature by four degrees by jogging on the spot or skipping with a rope, whereas Worker B can only raise their body temperature by two degrees?
worker B is female
What is the required noise attenuation in a commercial laundry with the following characteristics: actual noise level is 95 dB(A) and the standard is 88 dB(a) for eight hours?
14 dB(A)
There are four mechanical dishwashers in the kitchen running at the following sound ratings: 82 dB, 84 dB, 86 dB, and 88 dB. A 2 dB difference translates to a noise factor increase of 2.1 dB, a 4 dB difference to a factor of 1.5, and a 6 dB difference to a factor of 1.0. Given this information, what is the total noise level coming from the dishwashers?
89.0 dB
GPS tracking systems on company vehicles that show the company where their driver is at all times and how fast they are going are an example of an acute stressor.
False
The main route of entry for biological agents is through ingestion or penetration.
False
Toxicity is the main determinant of assessing the potential degree of seriousness of a chemical hazard.
False
What condition is an employee likely experiencing if he or she reports tingling in the fingers, loss of sensation in the fingers, and loss of grip strength?
HAVS
A manager who has a subordinate who is depressed is likely to intervene when that person's productivity starts to go down.
False
What statistical value should Aiko look at to compare the hearing protection of various devices on the market?
NRR
Executives are more likely to get colds than garbage collectors.
True
Exposure to toxic gases can produce acute and systemic toxicity.
True
Faculty members who talk negatively about "today's students" are possibly suffering from burnout.
True
Flexible hours that help workers who are looking after elderly parents take them to their doctor's appointments are a tangible form of social support.
True
Inexperience and depression have some of the same symptoms.
True
No toxicity data is available for about 80% of the chemicals that are used commercially.
True
People most at risk of exposure to biohazards are employed in unique or specialized jobs, such as medicine, research, and farming.
True
Requiring workers to work overtime on a regular basis could produce a synergistic effect.
True
Akanksha is a dental hygienist who cleans patient's teeth for 35 hours a week. What is the most realistic way of minimizing segmental vibration from the electric polishing brush?
adding padding to the handle of the brush
The effect of noise exposure in the workplace is measured using what type of device?
audiometer
