Occupational and Environmental Health: Recognizing and Preventing Disease and Injury - Multiple Choice Questions - Learn & Prevent

What is the consequence of exposure to high partial pressure of gases in hyperbaric environments?

1. Decreased nitrogen absorption

2. Reduced oxygen transportation

3. Formation of nitrogen bubbles leading to decompression sickness

4. Enhanced aerobic respiration

The correct answer is: Formation of nitrogen bubbles leading to decompression sickness

Exposure to high partial pressure of gases in hyperbaric environments can lead to the formation of nitrogen bubbles in the body, which can cause decompression sickness. This happens when the pressure in the environment is higher than the pressure inside the body, causing nitrogen to dissolve into the body's tissues. If the pressure suddenly decreases, the nitrogen can form bubbles, which can block blood vessels and cause serious symptoms. The other options are incorrect because decreased nitrogen absorption and enhanced aerobic respiration are not direct consequences of exposure to high partial pressure of gases. Reduced oxygen transportation may also occur, but it is not the main consequence of exposure to high partial pressure of gases. It is important to note that exposure to high partial pressure of gases does not necessarily lead to decompression sickness, but it increases the risk of developing it.