There is sudden increase in the number of ringworm infections in an urban city. The increase is not seen in other towns or countries. This is an example of:
Epidemic
Endemic
Pandemic
Prevalence
The Correct Answer is A
A. An epidemic refers to a sudden increase in the number of cases of a disease above what is normally expected in a specific area or population. The localized nature of the increase in ringworm infections supports this classification.
B. Endemic refers to a disease or condition regularly found among particular people or in a certain area; it does not account for the sudden spike in infections.
C. A pandemic involves widespread outbreaks affecting multiple countries or continents, which does not apply here.
D. Prevalence measures how widespread a disease is within a population, but it does not reflect sudden increases.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. A pandemic refers to an increase in disease cases that occurs over a wide geographic area, affecting a large population, which can be used to describe the global rise of cancer incidence.
B. Endemic refers to a disease or condition regularly found among particular people or in a certain area, not applicable here.
C. An epidemic indicates a sudden increase in the number of cases above what is normally expected in a specific area, while the rise in cancer cases is not limited to a single region.
D. Morbidity refers to the state of being diseased or the incidence of illness in a population but does not describe the global rise of cancer.
Correct Answer is A
Explanation
A. Antigenic variability in the influenza virus, due to mutations and genetic reassortment, necessitates annual updates to the vaccine to match circulating strains effectively.
B. While antibody levels may decline over time, they do not undergo apoptosis in a way that directly requires annual vaccination.
C. Differentiation is not relevant in this context.
D. Proliferation refers to cell division and is not a primary reason for the need to update the influenza vaccine.
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