A nurse is caring for a client at the public health clinic.
The public health nurse understands that endoparasites are which of the following? Select all that apply.
Ticks
Protozoal
Mites
Roundworms
Tapeworms
Correct Answer : B,D,E
A. Ticks: Ticks are ectoparasites that attach to the outside of the host rather than living inside the body.
B. Protozoal: Protozoa (e.g., Giardia lamblia, Entamoeba histolytica) are endoparasites that live inside the host, affecting the digestive system.
C. Mites: Mites (Sarcoptes scabiei) are also ectoparasites and do not cause internal gastrointestinal infections.
D. Roundworms: Roundworms (Ascaris lumbricoides) are endoparasites that live in the intestines and can cause gastrointestinal symptoms and malnutrition.
E. Tapeworms: Tapeworms (Taenia solium, Taenia saginata) are also endoparasites that reside in the intestines and can cause weight loss and abdominal discomfort.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Epidemiologic triangle: The epidemiologic triangle is a public health model that examines three key components of disease transmission:
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Agent – The microorganism (bacteria, virus, fungus, etc.).
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Host – The person or animal that harbors the disease.
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Environment – External conditions that contribute to disease spread.
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B. Health promotion: The health promotion model focuses on behavioral and lifestyle changes to prevent illness rather than examining the direct causes of disease.
C. Natural history of disease: The natural history of disease describes how a disease progresses without intervention from the initial exposure to resolution or chronicity, but it does not specifically analyze the agent, host, and environment.
D. Levels of prevention: The levels of prevention (primary, secondary, tertiary) focus on preventing and managing disease, but they do not analyze the factors leading to disease transmission like the epidemiologic triangle does.
Correct Answer is B
Explanation
A. Dengue: Dengue is transmitted by Aedes mosquitoes and is found in tropical regions, but it is less commonly imported to the U.S. than malaria.
B. Malaria: Malaria is the most frequently imported vector-borne disease in the U.S. due to international travelers coming from endemic areas (Africa, South Asia, South America). It is transmitted by Anopheles mosquitoes.
C. Onchocerciasis (river blindness): This disease is primarily found in Africa and is not commonly imported to the U.S. by travelers.
D. Yellow fever: While yellow fever exists in endemic areas, travelers are often vaccinated before visiting these regions, reducing its importation risk.
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