The Most Important Cause of Chronic Obstructive Pulmonary Disease (COPD)in

question 5

Multiple Choice

The most important cause of chronic obstructive pulmonary disease (COPD) in the world is ________.

• A) occupational pollutants
• B) environment pollutants
• C) tobacco smoking
• D) allergy

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Definitions:

Neuron

A cell of the nervous system responsible for transmitting information through electrical and chemical signals.

Dendrites

Branched extensions of a neuron that receive signals from other neurons.

Axon

A long, slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body to other neurons, muscles, or glands.

Local Potential

Small changes in membrane potential that are localized and can lead to the generation of an action potential if threshold is reached.