CHST FINAL EXAM | 2026/2027 NEWEST EXAM WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS | ALREADY
GRADED A+.
According to ANSI Z308.1, which are supplies that are required in a first aid kit? - ANSWER -
Bandages, adhesive tape, cold packs, and CPR barriers.
Which is the rate of compressions per minute that is required during CPR? - ANSWER - 100-120 per
minute
It is a best practice to gather information when a worker is injured? - ANSWER - Worker's name, body
part injured, and how the injury occurred.
Which is a reasonable response time for a life-threatening injury? - ANSWER - 3-4 Minutes
Which best describes the difference between caught-between and struck-by incidents? - ANSWER -
They cause crushing rather than impact injuries
During construction, walls and ceilings are not susceptible to collapse since they are part of the
structural support? T or F - ANSWER FALSE
Which is the maximum rescue time most buried workers are able to survive? - ANSWER 10 minutes
Which safety measure is implemented when shoring or sloping is used to protect excavation and
trenches? - ANSWER - Placing a ladder at least every 50 feet around the perimeter
Which is the BEST example of n in-running nip point on tools or machines that have rotating parts? -
ANSWER - Locations where moving or rotating parts come together
Which is the furthest distance away a guard can be placed from rotating part of a tool or piece of
equipment? - ANSWER - Less than ¼ of an inch.
Which is an indicator that a forklift is overloaded? - ANSWER The back end of the forklift lifts off the
ground
, Which position must the carriage of a forklift be while in motion? - ANSWER - As close to the ground
as possible to reduce the chance of material falling.
When vehicles are parked, which can be used to prevent them from moving? - ANSWER Chocks
When material is stacked on a pallet, which is the most stable pattern? - ANSWER Overlapping
Chemicals can create physical hazards when they're unstable, water reactive, or are organic
peroxides? T or F - ANSWER TRUE
Two liquids may have different toxicity but the same degree of hazard. T or F - ANSWER TRUE
Chemical route of entry - ANSWER Inhalation, Absorption, Ingestion, Injection
LD50 - ANSWER the amount of material, given all at once, which causes the death of 50% (one half)
of a group of test animals
Lethal Concentration (LC) is determined for ? - ANSWER Airborne exposures
Acute exposures and acute effects are long-term, high concentrations, or levels, and are generally
involve immediate results? T or F - ANSWER FALSE
Additive Effect - ANSWER Occurs when the combined effect of the chemicals is equal to the sum of
each chemical acting alone.
Synergism - ANSWER Two chemicals or factors that make the risk much higher
Potentiating effects - ANSWER When the effects of one substance is increased by exposure to
another substance, even though the second substance does not cause that effect by itself.
Local effect - ANSWER When a substance causes damage where it first contacts the body
QUESTIONS AND CORRECT DETAILED ANSWERS | ALREADY
GRADED A+.
According to ANSI Z308.1, which are supplies that are required in a first aid kit? - ANSWER -
Bandages, adhesive tape, cold packs, and CPR barriers.
Which is the rate of compressions per minute that is required during CPR? - ANSWER - 100-120 per
minute
It is a best practice to gather information when a worker is injured? - ANSWER - Worker's name, body
part injured, and how the injury occurred.
Which is a reasonable response time for a life-threatening injury? - ANSWER - 3-4 Minutes
Which best describes the difference between caught-between and struck-by incidents? - ANSWER -
They cause crushing rather than impact injuries
During construction, walls and ceilings are not susceptible to collapse since they are part of the
structural support? T or F - ANSWER FALSE
Which is the maximum rescue time most buried workers are able to survive? - ANSWER 10 minutes
Which safety measure is implemented when shoring or sloping is used to protect excavation and
trenches? - ANSWER - Placing a ladder at least every 50 feet around the perimeter
Which is the BEST example of n in-running nip point on tools or machines that have rotating parts? -
ANSWER - Locations where moving or rotating parts come together
Which is the furthest distance away a guard can be placed from rotating part of a tool or piece of
equipment? - ANSWER - Less than ¼ of an inch.
Which is an indicator that a forklift is overloaded? - ANSWER The back end of the forklift lifts off the
ground
, Which position must the carriage of a forklift be while in motion? - ANSWER - As close to the ground
as possible to reduce the chance of material falling.
When vehicles are parked, which can be used to prevent them from moving? - ANSWER Chocks
When material is stacked on a pallet, which is the most stable pattern? - ANSWER Overlapping
Chemicals can create physical hazards when they're unstable, water reactive, or are organic
peroxides? T or F - ANSWER TRUE
Two liquids may have different toxicity but the same degree of hazard. T or F - ANSWER TRUE
Chemical route of entry - ANSWER Inhalation, Absorption, Ingestion, Injection
LD50 - ANSWER the amount of material, given all at once, which causes the death of 50% (one half)
of a group of test animals
Lethal Concentration (LC) is determined for ? - ANSWER Airborne exposures
Acute exposures and acute effects are long-term, high concentrations, or levels, and are generally
involve immediate results? T or F - ANSWER FALSE
Additive Effect - ANSWER Occurs when the combined effect of the chemicals is equal to the sum of
each chemical acting alone.
Synergism - ANSWER Two chemicals or factors that make the risk much higher
Potentiating effects - ANSWER When the effects of one substance is increased by exposure to
another substance, even though the second substance does not cause that effect by itself.
Local effect - ANSWER When a substance causes damage where it first contacts the body
