Healthcare Health and Safety Level 2 (VTQ)

57 videos, 2 hours and 32 minutes

Course Content

Routes of entry to the body

Video 26 of 57
1 min 33 sec
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Routes of Entry for Hazardous Substances

Understanding the Routes

Overview: This video explores the various pathways through which hazardous substances can enter the body.


Definition: Inhalation occurs when substances are breathed in.

Examples: Biological agents (e.g., fungi), chemicals (e.g., solvents).

Risks: Airborne substances can penetrate the lungs and bloodstream, affecting multiple organs.


Definition: Absorption happens when substances penetrate the skin.

Examples: Tetanus, benzene.

Risks: Skin contact allows substances to enter through pores or wounds.


Definition: Ingestion involves swallowing substances, leading to entry into the digestive system.

Risks: Poor personal hygiene can contribute to accidental ingestion.


Definition: Injection occurs when substances enter the body through accidental hypodermic needle injuries.

Risks: Accidental needle incidents pose risks; proper infection control and waste disposal are crucial.