Structural Pest Control Applicator Practice Exam

Which type of toxic effects are generally not reversible?

1. Acute effects

2. Chronic effects

3. Reversible effects

4. Local effects

The correct answer is: Chronic effects

Chronic effects are typically characterized by long-term exposure to a toxic substance, which can result in lasting damage to various organs or systems within the body. Unlike acute effects, which occur shortly after exposure and may resolve quickly, chronic effects can lead to conditions that do not readily improve or can worsen over time, such as certain cancers, reproductive harm, or neurological disorders. In contrast, acute effects often manifest immediately and may improve with proper medical intervention or after the source of exposure is removed. Reversible effects specifically indicate conditions that can return to normal or close to normal once the exposure ceases, while local effects are typically confined to a specific area of the body and can also be reversible with appropriate treatment. Thus, chronic effects stand apart because of their potential to cause irreversible damage, which is why they are recognized for their enduring toxicity.