The public health nurse understands that which of the following best defines the word politics?

A. The incidence of asthma among children has been decreasing: The incidence of childhood asthma has been increasing due to rising air pollution, allergens, and environmental triggers.

B. Children are more susceptible to environmental toxins because of their smaller size: Due to their lower body weight, developing organs, and higher metabolic rate, children absorb toxins more readily and are more vulnerable to harmful effects.

C. Children are more susceptible to cancer if they have a family history of the disease: While family history plays a role, environmental exposures (e.g., radiation, chemicals) also contribute significantly to childhood cancer risk.

D. The prevalence of autism is directly related to the increase in environmental toxins: While research is ongoing, no definitive causal link has been established between environmental toxins and autism. Autism is influenced by multiple genetic and environmental factors.

parasite) that causes disease. In this case, the bacteria responsible for a vaginal infection is the infectious agent.

B. Agent and Host: While the host is the individual affected by the infection, the question specifically asks about the bacteria, which falls solely under the agent category.

C. Environment: The environment in the epidemiologic triangle refers to external conditions that contribute to disease transmission, such as hygiene, climate, and healthcare practices. The bacteria itself is not an environmental factor.

D. Host: The host refers to the person or animal that harbors the infection, not the bacteria itself.