The Most Common Risk Factor Associated with Development of COPD

question 28

Multiple Choice

The most common risk factor associated with development of COPD is:

• A) alpha-1 anti-trypsin deficiency.
• B) environmental exposure to pollutants.
• C) lung cancer.
• D) cigarette smoking.
• E) cystic fibrosis.

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Definitions:

Vagus Nerve

The tenth cranial nerve that controls the heart, lungs, and digestive tract, and plays a significant role in the parasympathetic nervous system.

Dorsal Respiratory Group

A cluster of neurons in the brainstem that plays a crucial role in initiating and maintaining the rhythmic cycle of breathing.

Respiratory Alkalosis

A condition characterized by a decrease in the carbon dioxide level in the blood, often due to rapid or deep breathing, leading to a pH imbalance where the blood becomes too alkaline.

Blood Ph

The measure of the acidity or alkalinity of the blood, typically maintained within a tight range around a neutral pH of 7.4.