Which symptom is NOT associated with light exposure to fumigants?

Nausea is not typically associated with light exposure to fumigants. The symptoms that do correlate with such exposure usually stem from the irritant properties of the fumigants, which can lead to discomfort in the respiratory tract, headaches, and muscle cramps due to various physiological responses to these chemicals.

Fumigants are potent chemicals designed to eradicate pests, and when exposure occurs, particularly in significant amounts or under certain conditions, they can provoke a range of reactions. Headaches, for instance, may result from the inhalation of vapors or a change in the body's oxygen levels. Similarly, irritation of the respiratory tract can happen because fumigants can act as irritants, leading to symptoms such as coughing or a sore throat. Muscle cramps can also occur due to changes in nerve or muscle function as a response to these chemicals impacting the body.

In contrast, while nausea can be a concern with many chemicals or health situations, it is specifically more commonly linked to broader systemic reactions, ingestion, or other forms of exposure rather than light exposure directly. Therefore, it stands out as not being a primary symptom tied to light exposure to fumigants.