Browse all practice questions for the IICRC Health and Safety Technician (HST) certification Practice Exam. Search by topic, open any question and review its full explanation, then test yourself in the practice quiz.

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  • A carcinogen is a substance capable of causing _______.
  • Which type of respirator is NOT suitable for use in hazardous material handling?
  • Must safe routes for passage, access, and egress be regularly inspected and maintained?
  • What is the last resort when all other hazard control measures cannot adequately mitigate risks?
  • What is required of hazard statements under GHS?
  • What is the first step to take if a workplace accident occurs?
  • What should workers do if they notice a safety hazard on site?
  • Under GHS, precautionary statements are phrases describing _______ to minimize or prevent adverse effects from product exposure.
  • What is the primary focus of behavior-based safety?
  • To assess risk when workers repeatedly lift boxes, which factors should be considered?
  • Why is training on chemical handling important?
  • Which type of chemical agent is primarily responsible for causing mutations in living organisms?
  • Which method is used to control hazardous exposures?
  • What does the acronym PPE stand for?
  • Which of the following best describes a near-miss incident?
  • The term sterilize refers to the use of which types of procedures to destroy all microbial life?
  • What is the minimum height for a standard railing on elevated or open-sided floors?
  • What does “workplace ergonomics” aim to achieve?
  • Define “biohazardous waste.”
  • What should be the primary concern when selecting gloves for employees?
  • How many signal words are used in the GHS labeling system?
  • What is the main purpose of performing a hazard or risk assessment?
  • What is a scaffold?
  • What indicates the need for a job hazard/safety analysis?
  • What are chemical manufacturers and importers required to develop under the Global Harmonized System?
  • A respirator must be inspected before each _______ and during _______.
  • What must be done to a ladder placed against a roof so that it meets safety requirements?
  • In which type of atmosphere do air-purifying respirators NOT provide protection?
  • How can technicians safeguard against heat stress?
  • What type of hazard does mold exposure represent?
  • Why should materials containing hazardous substances be identified?
  • Employers must ensure that all PPE is undamaged, clean, and ________.
  • During an emergency, if employees cannot locate a fire extinguisher because it is unmarked and lying on the floor, what safety standard has been violated?
  • What is an essential element of the chemical hazard communication program?
  • Name a common respiratory hazard in the restoration industry.
  • What type of fire extinguisher is appropriate for electrical fires?
  • Which of the following is an example of a psychological hazard in the workplace?
  • What is the function of a hard hat?
  • What kind of hazard sign signifies explosives?
  • What type of hazard control involves physically modifying the workplace to reduce or isolate airborne hazards?
  • What safety requirement should be observed when inserting plugs into an electrical outlet?
  • What does the Environmental Protection Agency (EPA) primarily regulate in relation to health and safety?
  • What is the primary purpose of a job hazard/safety analysis?
  • According to the GHS, which of the following represents a physical hazard?
  • In what scenario is it most critical to wear safety goggles?
  • Which health effect is categorized under the GHS as a specific hazard?
  • True or False: Safety Data Sheets (SDS) must be kept in a location that is readily accessible to all employees.
  • Which type of hazard sign represents substances that may cause severe respiratory issues upon exposure?
  • What are the two general types of respirators?
  • When is an airmass considered an "oxygen-deficient atmosphere"?
  • What is the primary purpose of conducting workplace inspections?
  • What does a generic term for health hazards usually include?
  • Why is it important to identify hazards in the workplace?
  • When performing a hazard or risk assessment, what is the first step?
  • What is the purpose of using labels with hazard symbols?
  • What is the significance of using engineering controls?
  • What does the term "exit discharge" refer to in the context of exit routes?
  • Why is documentation important in health and safety practices?
  • Which of the following is NOT considered a component of blood?
  • The Assigned Protection Factor (APF) of a respirator indicates what?
  • Which of the following describes a chronic effect?
  • Are employers required to develop a written respiratory protection program?
  • Which of the following can be a consequence of chemical exposure?
  • What role does training play in health and safety management?
  • What should be emphasized in a culture of workplace safety?
  • Which area is a primary focus for the HST certification?
  • What type of controls should be implemented to manage dust exposure during construction?
  • Which of the following actions does NOT ensure safe work practices?
  • What type of hazard is indicated by a sign representing chemical irritants?
  • How should spills of hazardous materials be handled?
  • What type of respirator should be used in an oxygen-deficient environment?
  • If an employer believes an employee does not understand proper PPE use, they are required to _______ the employee.
  • What does “first aid” entail in the workplace?
  • What is the definition of risk in a workplace context?
  • Type N95 and P2 respirators are effective against particulate aerosols that are free of _______.
  • What is the importance of keeping emergency exit routes clear?
  • What is the primary function of personal protective equipment (PPE) in the workplace?
  • Which of the following is an appropriate response if an employee is unsure about how to use PPE correctly?
  • What must exit routes have according to safety regulations?
  • What must employers provide when employees are potentially exposed to hazardous substances?
  • What is the role of a safety officer?
  • What are some common health hazards in restoration work?
  • Define “risk assessment” in the context of health and safety.
  • Which of the following best defines 'blood' in a health and safety context?
  • Which of the following is a main component of a health and safety program?
  • What is a key benefit of conducting regular safety audits?
  • What are the consequences of not following health and safety regulations?
  • Which of the following is NOT a component of Safety Data Sheets (SDS)?
  • Should glove selection be based solely on employee preference?
  • A GHS label is any written, printed, or _______ material displayed on or affixed to containers of _______ chemicals.
  • What must employers provide when portable fire extinguishers are available for employee use in the workplace?
  • What is the common threshold limit value (TLV) for chemical exposure?
  • What is a requirement for all exit routes?
  • Is it safe for a worker to stand on the top step of an A-Frame stepladder?
  • What are the hazard classes under the GHS rules?
  • What is the preferred method for controlling mold growth?
  • Under what condition is an employee prohibited from wearing a tight-fitting respirator?
  • What type of substances must employers provide hand protection against?
  • What type of protective equipment is essential when dealing with chemicals?
  • What is a common injury associated with manual handling?
  • Why is regular equipment maintenance crucial in a workplace?
  • What is the primary function of a circuit breaker?
  • What is one consequence of failing to adhere to the Global Harmonized System?
  • What is a workplace hazard?
  • Is it mandatory to use fall protection when working at heights?
  • What does a hazard sign indicating oxidizers signify?
  • What is the primary goal of conducting a job hazard analysis?
  • What type of workplace condition can lead to joint pain during manual handling?
  • What type of toxicity is described when a worker ingests a small amount of a toxic chemical and experiences severe symptoms immediately?
  • What is the purpose of Material Safety Data Sheets (MSDS)?
  • Which of the following best defines a workplace hazard?
  • True or False: The hazards of worker exposure are the most important consideration in respirator selection.
  • The basis for classifying a chemical's flammability is its _______.
  • What does the acronym PPE stand for?
  • Safe work practices include company policies, procedures, and ________.
  • If a healthcare worker is exposed to a patient's blood containing harmful organisms, what are these organisms classified as?
  • True or False: Class A fires involve materials that are capable of burning.
  • Which of the following is a key component of personal protective equipment?
  • How many hazard control levels does the Hierarchy of Hazard Controls have?
  • Materials involved in a "Class A" fire include ordinary combustible materials such as _______ and _______.
  • True or False: The acronym "IDLH" stands for "immediately dangerous to life or health."
  • In the context of hazard analysis, what should be assessed to reduce risk of injury?
  • What is the primary personal protective equipment used to prevent hand injuries?
  • True or False: Oxidizing gases are more effective in causing combustion than air alone.
  • What is the most crucial factor in selecting a respirator?
  • What are bloodborne pathogens?
  • Which step is essential after a workplace accident has been documented?
  • What does the term “ergonomic risk factors” refer to?
  • True or False: A chronic effect refers to symptoms that develop slowly over a long period or recur frequently.
  • What is an essential part of an effective safety program?
  • Acceptable eyewear for protection against flying objects must include _______ protection.
  • Which of the following practices helps in managing noise exposure?
  • What must chemical containers be labeled with to identify their contents?
  • What must be done before a worker begins repairs in an area with exposed live wires?
  • What is the Chemical Hazard Communication Standard based on?
  • What is the term for an electrical connection between a live circuit and the earth?
  • Which hazard sign indicates flammables?
  • True or False: Employers must provide personal protective equipment when other hazard controls are not sufficient to ensure jobsite safety.
  • Before performing work requiring PPE, employees must know what PPE is needed, when it is necessary, and how to _______ it properly.
  • Which of the following activities is an example of manual handling?
  • Which fire extinguisher class is used for fires involving cooking oils and fats?
  • What is the purpose of a safety data sheet (SDS)?
  • What is a critical step before entering a confined space?
  • Is overhead protection required only if requested by workers?
  • Which of the following best describes an incident report?
  • What does the term 'psychological hazard' refer to in a workplace context?
  • Which organization's standards are primarily associated with fire safety in the workplace?
  • Is it safe for employees to work on scaffolds during high winds if they use fall protection?
  • In the context of health and safety, what does the principle of due diligence entail?
  • How must respirators be stored to ensure their effectiveness?
  • What does IICRC stand for?
  • What is the correct slope ratio for an extension ladder leaned against a vertical wall?
  • When a safety officer observes a worker and notes potential risks during task assembly, what process are they conducting?
  • What vaccination must employers provide to workers exposed to blood or bodily fluids?
  • Installing containment or isolation barriers are examples of which kind of control?
  • Which of the following is NOT a level in the Hierarchy of Hazard Controls?
  • Where can GHS product identifiers typically be found?
  • What is a safety audit?
  • True or False: Eye protection is required only when an employee feels unsafe.
  • Which of the following is an example of administrative control?
  • In a scenario where magnesium shavings ignite in a machine shop, what type of fire classification does this represent?
  • Which of the following describes a characteristic of a safe work environment?
  • What is one key benefit of promoting a safe work culture?
  • Which of the following can be used to manage noise levels in restoration work?
  • What action should be taken after documenting a workplace incident?
  • What is the primary purpose of a Job Safety Analysis (JSA)?
  • According to GHS labeling guidelines, which two signal words are permissible?
  • How often should emergency response plans be reviewed and updated?
  • Under GHS, pictograms must be in the shape of a square set at a point with a black hazard symbol, placed on a _______ background with a _______ frame.
  • A technician is wearing a respirator while working with hazardous chemicals. What type of control is this?
  • How often should employees receive health and safety training?
  • What is essential for continuous health and safety improvement?
  • What materials are involved in a "Class B" fire?
  • What is a key requirement for maintaining workplaces, passageways, and service rooms?
  • In case of emergency, what is an important practice for workers?
  • True or False: Respirators can be stored anywhere as long as they are accessible.
  • How does stress typically affect worker safety?
  • In the Hierarchy of Controls, substitution control involves _______ the hazard with a safer alternative.
  • What is the significance of safety signage in the workplace?
  • What role does employee engagement play in workplace safety?
  • An effective health and safety plan should include which of the following?
  • What must a company's fire extinguisher policy include?
  • Which practice is important for maintaining a safe workplace?
  • Which organization sets regulations for hazard communication in the workplace?
  • What is one significant benefit of employee involvement in health and safety?
  • Which of the following is a method of hazard communication?
  • In a hazardous work environment, what should be the first step in ensuring worker safety?
  • What does a hazard sign for corrosives indicate?
  • Which type of personal protective equipment (PPE) is essential for technicians?
  • What is a key requirement for labeling hazardous chemicals in the workplace?
  • After training, what must an employee do before using PPE on a worksite?
  • True or False: A latent health effect is one that is present but not active or is dormant.
  • What should be prioritized in an emergency response plan?
  • What is a safety requirement for all exposed surfaces of mobile ladders?
  • What does "confined space" mean?
  • What does a positive and negative user seal fit check primarily confirm?
  • What does the term “emergency preparedness” refer to?
  • What is the primary goal of the Health and Safety Technician (HST) certification?
  • What is a mutagen?
  • Employers must maintain a list of hazardous chemicals that is always:
  • Which of the following contributes to a positive work environment?
  • Which of the following is a type of PPE?
  • What does a hazard sign representing fatality or toxicity mean?
  • Which is NOT considered a manual handling activity?
  • True or False: Employers must provide respirators but are not required to have a written program.
  • What is a teratogen?
  • What device stops electricity flow when current-to-ground exceeds a predetermined value?
  • What can be considered an example of due diligence in the workplace?
  • What is the main function of engineering controls within workplace safety?
  • What is the significance of OSHA in relation to health and safety?
  • Define the term “negligence” in a workplace context.
  • What are employers required to do regarding portable fire extinguishers?
  • What action must be taken whenever a job hazard analysis is revised?
  • Which of the following is NOT a requirement for PPE according to workplace safety regulations?
  • What does the term “spill kit” refer to?
  • Which step comes after identifying hazards in the risk assessment process?
  • Which type of fire involves flammable liquids, such as gasoline?
  • What is one of the main responsibilities of the safety officer?
  • The main type of personal protective equipment used to prevent head injuries is a _______.
  • What defines “accident prevention” in health and safety terms?
  • If a hazard cannot be eliminated or substituted, the next step in the Hierarchy of Controls is to use _______ controls.
  • Why is it important for workplaces to establish safety protocols?
  • What is the primary purpose of an Emergency Response or Action Plan?
  • What is the correct way to ascend or descend a ladder?
  • What does the term “Hazardous Material” refer to?
  • How can ergonomics contribute to worker health?
  • What is the correct method for lifting heavy objects?
  • What does the acronym IICRC stand for?
  • What is the best way to prevent slips, trips, and falls in the workplace?
  • An exit route has three parts: the _______ _______, the _______, and the _______ _______.
  • True or False: Universal precautions are a mandatory approach to infection control for workers.
  • Which factor is critical when performing a job hazard analysis?
  • What does a hazard sign that indicates environmental hazards refer to?
  • Why is it crucial to maintain proper ventilation in work areas?
  • Which type of respirator is typically required for protection from particulates?
  • What is vital for maintaining fire safety in workplaces?
  • If an employer fails to provide adequate PPE, what potential consequence may arise?
  • What type of training does the HST certification provide?
  • What is one best practice for lifting heavy objects?
  • What is represented by a hazard sign for health hazards?
  • What is the role of risk communication in health and safety?
  • When must employers communicate hazard information to employees exposed to hazardous chemicals?
  • Which of the following is a responsibility of employers regarding hazardous chemicals?
  • Which of the following is an example of a bloodborne pathogen?
  • What does a tight-fitting facepiece ensure in respiratory protection?
  • When should personal protective equipment (PPE) be replaced?
  • What is a key purpose of precautionary statements in GHS?
  • What can be the consequence of insufficient ventilation in a workplace?
  • What type of chemicals require a GHS label?
  • Why is air quality assessment critical in health and safety?
  • Can damaged portable electric equipment be used temporarily until repairs are scheduled?
  • What is the first step in developing a health and safety program?
  • What information does a hazard sign for compressed gas provide?
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