GLOBAL CLASSROOM

Central Nervous System (CNS) includes the brain and the spinal cord, and is protected by the ________.

• cranial nerves

• blood brain barrier

• nerve cells (neurons)

• microglia cells

Which of the following is NOT a mechanism of action of neurotoxicant on nervous system?

• Blocking of impulse transmission

• Death of nerves

• Increase neuron sensitivity

• Muscle paralysis

Destruction of cell bodies of neurons is also known as _________.

• axonopathy

• neuropathy

• demyelination

• myelinopathy

Exposure to pesticide (organophosphate and carbamate) normally can cause:

• disruption of neurotransmission

• degeneration of axon

• destruction of cell bodies of neurons

• destruction of myelin

Which neurotoxin is commonly used in cosmetic industry?

• Saxitoxin

• Aflatoxin

• Botulinum toxin

• Tetrodotoxin

Particulate aluminum can cross blood brain barrier.

• True

• False

• I don't know

Prolonged exposure to lead from heavy traffic may __________.

• impaired learning and memory

• dizziness

• headache

• blindness

What is the name of neurotoxicant mentioned by Dr Mila Tejamaya in the first case study?

• Mercury

• Lead

• Pesticide

• Chromium