The public health nurse understands that which of the following is an example of a vector borne disease?
Hepatitis B
Rocky Mountain spotted fever
E. coli 0157:H7
Anthrax
The Correct Answer is B
A. Hepatitis B: Hepatitis B is a bloodborne disease, primarily spread through contact with infected bodily fluids, not through a vector.
B. Rocky Mountain spotted fever: Rocky Mountain spotted fever is a vector-borne disease transmitted by tick bites. Vectors are living organisms, such as mosquitoes or ticks, that carry infectious agents.
C. E. coli O157:H7: E. coli is a foodborne illness that spreads through contaminated food or water, not via a vector.
D. Anthrax: Anthrax is a bacterial infection that spreads through direct contact, ingestion, or inhalation of spores, not through a vector.
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Related Questions
Correct Answer is B
Explanation
A. Hepatitis B: Hepatitis B is a bloodborne disease, primarily spread through contact with infected bodily fluids, not through a vector.
B. Rocky Mountain spotted fever: Rocky Mountain spotted fever is a vector-borne disease transmitted by tick bites. Vectors are living organisms, such as mosquitoes or ticks, that carry infectious agents.
C. E. coli O157:H7: E. coli is a foodborne illness that spreads through contaminated food or water, not via a vector.
D. Anthrax: Anthrax is a bacterial infection that spreads through direct contact, ingestion, or inhalation of spores, not through a vector.
Correct Answer is B
Explanation
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.
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