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Various chemicals react differently with other chemicals and also have varying
effects on humans and animals in these different combinations. The combined
effect of two chemicals is much greater than the sum of the effect of each agent
acting independently. Which term describes this reaction?
A. Antagonistic
B. Potentiating
C. Synergistic
D. Additive - ANSWER -C. Synergistic
A sample of Ac-225 originally contained 8.0 micrograms. The half-life of Ac-225
is 10 days. After 720 hours, how much of the original Ac-225 would remain?
A. 3.0 micrograms
B. 1.0 micrograms
C. 4.0 micrograms
D. 2.0 micrograms - ANSWER -B. 1.0 micrograms
Which workers are MOST at risk from violence at work?
A. Doctors
B. Police officers
C. Drivers
D. Clerks - ANSWER -B. Police officers
Which should the command staff positions include under the incident command
system?
A. Safety officer, public information officer, and liaison officer
,B. Logistics section chief, safety officer, and contracting officer
C. Liaison officer, operations section chief, and finance section chief
D. Public information officer, chief executive officer, and safety officer -
ANSWER -A. Safety officer, public information officer, and liaison officer
Which formula is used to determine risks associated with an event?
A. Risk = probability × severity × estimate of response time
B. Risk = probability × severity
C. Risk = probability ÷ severity
D. Risk = severity ÷ probability - ANSWER -B. Risk = probability × severity
Which is a PRIMARY preparedness strategy for a workplace when planning for
an imminent chemical, biological, radiological, or nuclear (CBRNE) attack?
A. Rely on local first responders
B. Large central personal protective equipment inventory
C. Evacuation
D. Shelter in place - ANSWER -D. Shelter in place
Which is a contributing factor in one-third of all workplace violence-related
incidents?
A. Offenders have past criminal history.
B. Offenders are under the influence of narcotics.
C. Offenders are under the influence of alcohol.
D. Offenders are over the age of 60. - ANSWER -C. Offenders are under the
influence of alcohol.
Which is important during the pre-incident planning process for a fixed facility?
A. Discussion of training and exercise requirements involving all responders
B. Discussion of training and exercise requirements with the fire department
C. Focus on HAZWOPER rather than all regulations pertaining to hazardous
materials
,D. Focus on the training needs of the employees - ANSWER -A. Discussion of
training and exercise requirements involving all responders
With regard to workplace incidents involving aggressive behavior, violence is the
final act in what can be called the aggression continuum, which progresses through
a series of escalating phases. Which is the FINAL phase in this continuum?
A. Crisis
B. Anxiety
C. Intimidation
D. Stress - ANSWER -A. Crisis
Vulnerability assessments typically focus on which threat or hazard?
A. Waste disposal
B. Terrorism
C. Floods
D. Earthquakes - ANSWER -B. Terrorism
Emergencies can arise in an organization or a workplace at any time, from many
different causes. Which is the BEST safety management tool for minimizing
incidents in a workplace?
A. Purchase high-quality safety equipment.
B. Have a good relationship with emergency responders.
C. Screen employment candidates before hiring them.
D. Have a written comprehensive management plan. - ANSWER -D. Have a
written comprehensive management plan.
half life calculation formula - ANSWER -t1/2=ln2/k
k= disintegration constant
Total Sound Level Calculation - ANSWER -dBsum=10log(10^(L1/10) +
10^(L2/10) + .....)
, L= individual sound levels
In statistical terms, a process that achieves Six Sigma quality will generate about: -
ANSWER -Mean = Average
Mode = Most frequent
Median = Middle value
Range = Difference between large & small number
Population standard deviation - the spread of data
Noise Attenuation Calculation - ANSWER -Af= (NRR-7)/2 + 5
NRR - Noise reduction rating
When there are 2 NRRs, use the highest in the formula and add 5 dB for the second
NRR
ppm calculation - ANSWER -ppm = ((mg/m^3) x 24.45)/MW
MW = molecular weight
Ventilation Calculation (Total Pressure) - ANSWER -TP = SP + VP
TP = total pressure
SP = static pressure
VP = velocity pressure
Ventilation Calculation (Cubic feet / revolutions per minute) - ANSWER -
(CFM1)/(CFM2) = (RPM1)/(RPM2)
Volume of a cube formula - ANSWER -V = L x W x H
Time Weighted Average Calculation - ANSWER -TWA = ((C1xT1) + (C2xT2) +
......) / T1 + T2 + .....
Absolute Units - ANSWER -Pressure: