What is the absorption of productive poisons?

Refers to substances used or encountered in production that can cause abnormal changes in the function or structure of human organs and tissues, leading to temporary or permanent pathological changes

The main routes by which toxic substances enter the human body are the respiratory tract, skin, and digestive tract.

The main routes by which toxic substances enter the human body are the respiratory tract, skin, and digestive tract. (1) Respiratory tract. This is the most common and main approach. Toxins in gaseous or aerosol form (dust, smoke, fog) can enter the body through the respiratory tract, with the main affected areas being the bronchi and alveoli. Toxins absorbed through the respiratory tract enter the alveoli, from where they can quickly pass through the alveolar walls into the blood circulation. These toxins then travel back to the heart via the pulmonary blood flow, and without being detoxified by the liver, they enter the systemic circulation and are distributed throughout the body. Generally speaking, the higher the concentration of toxins in the air, the smaller the dust-like toxin particles, and the greater the solubility of the toxins in body fluids, the faster they are absorbed through the respiratory tract. (2) Skin. In production, it is also common for people to become poisoned through skin absorption of toxins. Certain poisons can enter the body through intact skin. Toxins absorbed through the skin generally reach the dermis via the epidermal barrier and enter the bloodstream. Lipid-soluble toxins can be absorbed directly through the skin, such as aromatic amino and nitro compounds, organophosphorus compounds, benzene and its derivatives. Certain metals, such as mercury, can also be absorbed through the skin. Certain gaseous toxins, such as hydrogen cyanide, can also enter the body through the skin at high concentrations. When there are lesions on the skin, toxins that cannot be absorbed through intact skin can also be absorbed in large quantities. In addition to the chemical properties of the toxin itself, factors such as its concentration and viscosity, the area and location of skin contact, as well as external temperature and humidity, also affect skin absorption. (3) Digestive tract. In a production environment, poisoning caused solely by absorption through the digestive tract is relatively rare. It is often because the hands are contaminated with toxins, and then the contaminated hands are used to pick up food, allowing the toxins to enter the digestive tract along with the food. The main site for the absorption of toxins in the digestive tract is the small intestine; particularly, fat-soluble toxins are absorbed more rapidly in the intestine. The vast majority of toxins that enter the blood circulation via the intestines pass through the liver; some of them are detoxified and converted into non-toxic or less toxic substances, while others are secreted into the intestinal lumen through bile and excreted from the body, with only a small portion being absorbed. Some poisons, such as hydrogen cyanide, can be absorbed through the mucous membranes in the mouth.

Productive toxins refer to substances used or encountered in production that can cause abnormal changes in the function or structure of human organs and tissues, leading to temporary or permanent pathological alterations. The process by which toxic substances enter the human body through various routes is called the absorption of toxic substances. The main routes by which toxic substances enter the human body are the respiratory tract, skin, and digestive tract.

Productive poisons enter the body mainly through the respiratory tract, but can also enter via the skin and digestive tract. The respiratory tract is the most common and primary route. Poisons in the form of gases, aerosols, etc., can enter the human body through the respiratory tract. Its main sites are the bronchi and alveoli. Toxins absorbed through the respiratory tract enter the alveoli, from where they can quickly pass through the alveolar walls into the bloodstream. These toxins then travel back to the heart via the pulmonary circulation, and without being detoxified by the liver, they enter the systemic circulation and are distributed throughout the body. Generally speaking, the higher the concentration of toxins in the air, the smaller the dust-like toxin particles, and the greater the solubility of the toxins in body fluids, the faster they are absorbed through the respiratory tract. During the production process, it is also common for people to become poisoned as a result of toxic substances being absorbed through the skin. Certain poisons can enter the body through intact skin. Toxins absorbed through the skin generally reach the dermis via the epidermal barrier and enter the bloodstream. Lipid-soluble toxins can be absorbed directly through the skin, such as aromatic amino and nitro compounds, organophosphorus compounds, benzene and its derivatives. Certain metals such as mercury can also be absorbed through the skin. Certain gaseous toxins, such as hydrogen cyanide, can also enter the body through the skin at high concentrations. When there are lesions on the skin, toxins that cannot be absorbed by healthy skin can also be absorbed in large quantities at that time. In addition to the chemical properties of the toxin itself, factors such as its concentration and viscosity, the area and location of skin contact, as well as external temperature and humidity, also affect skin absorption. In a production environment, poisoning caused solely by absorption through the digestive tract is relatively rare. It is often because the hands are contaminated with toxins, and then the person uses those contaminated hands to pick up food, allowing the toxins to enter the digestive tract along with the food. The main site for the absorption of toxins in the digestive tract is the small intestine; particularly, fat-soluble toxins are absorbed more rapidly in the intestine. The vast majority of toxins that enter the blood circulation via the intestines pass through the liver; some of them are detoxified and converted into non-toxic or less toxic substances, while others are secreted into the intestinal lumen through bile and excreted from the body, with only a small portion being absorbed. Some poisons, such as hydrogen cyanide, can be absorbed by the mucous membranes in the mouth.