Associate Safety Professional Practice Exam

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What defines a neurotoxin?

Chemicals that attack the immune system
Chemicals that attack the central nervous system
Chemicals that promote cell growth
Chemicals that enhance cognitive function

The correct answer is: Chemicals that attack the central nervous system

A neurotoxin is specifically defined as a type of toxin that has harmful effects on the central nervous system, which includes the brain and spinal cord. These chemicals disrupt the normal functioning of neurons, leading to alterations in communication within the nervous system, which can result in a range of neurological issues, including cognitive impairment, motor dysfunction, and even death in severe cases. In this context, options that refer to immune system attack, cell growth promotion, or cognitive enhancement do not align with the established definition of neurotoxins. These processes involve different biological pathways and mechanisms that are not specific to the effects on the central nervous system required to classify a substance as a neurotoxin.