2026/2027
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27
Hazmat operations Questions
with Detailed Verified
Answers
Carcinogen Ans: Any material that causes cancerous growths in living tissue.
Corrosive Ans: Material that causes visible destruction or irreversible damage
alterations to living tissue by chemical action at the site of contact.
Lethal Dose (LD50) Ans: Causes the death of 50 percent of a group of test
animals exposed to it by any route other than inhalation.
Lethal Concentration (LC50) Ans: The amount of material in the air that is
expected to kill 50 percent of a group (inhalation).
Toxic Ans: A chemical falling in LD50 or LC50
Irritant Ans: A chemical that is not corrosive but one that causes a reversible
inflammatory effect on living tissue by chemical action at the site of contact.
Sensitizer Ans: A chemical that causes a substantial proportion of exposed
people or animals to develop an allergic reaction in normal tissue after
repeated exposure.
Hepatotoxins Ans: Chemicals that produce liver damage.
Nephrotoxins Ans: Chemicals that produce kidney damage.
Neurotoxins Ans: Chemicals that produce their primary toxic effects on the
nervous system.
Blood agents Ans: Decrease the function of hemoglobin in the blood; deprive
the hemotopolatic body tissues of oxygen system.
Pulmonary agents Ans: Irritate the lung or damage the pulmonary tissue.
Gmail:
27
Hazmat operations Questions
with Detailed Verified
Answers
Carcinogen Ans: Any material that causes cancerous growths in living tissue.
Corrosive Ans: Material that causes visible destruction or irreversible damage
alterations to living tissue by chemical action at the site of contact.
Lethal Dose (LD50) Ans: Causes the death of 50 percent of a group of test
animals exposed to it by any route other than inhalation.
Lethal Concentration (LC50) Ans: The amount of material in the air that is
expected to kill 50 percent of a group (inhalation).
Toxic Ans: A chemical falling in LD50 or LC50
Irritant Ans: A chemical that is not corrosive but one that causes a reversible
inflammatory effect on living tissue by chemical action at the site of contact.
Sensitizer Ans: A chemical that causes a substantial proportion of exposed
people or animals to develop an allergic reaction in normal tissue after
repeated exposure.
Hepatotoxins Ans: Chemicals that produce liver damage.
Nephrotoxins Ans: Chemicals that produce kidney damage.
Neurotoxins Ans: Chemicals that produce their primary toxic effects on the
nervous system.
Blood agents Ans: Decrease the function of hemoglobin in the blood; deprive
the hemotopolatic body tissues of oxygen system.
Pulmonary agents Ans: Irritate the lung or damage the pulmonary tissue.
