Chemicals & Human Health

Lung Toxicology Problem Set

Problem 8: Oxidants

Oxidants are one toxic component of cigarette smoke. Why are they dangerous?

A. They block surfactant secretion so that alveoli collapse.
B. They block the oxygen carrying capacity of hemoglobin.
C. They cause cilia to quit beating so lungs get clogged with particles.
D. They can damage the DNA of lung cells much like the sun damages skin cells.

Lung Toxicology Problem Set Chemicals & Human Health

The Southwest Environmental Health Sciences Center
The Biology Project
The University of Arizona
Tuesday, October 14, 1997
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