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ANCC Community Health Nursing Certification Practice Tests & Test Prep by Exam Edge - Free Test


Our free ANCC Community Health Nursing Practice Test was created by experienced educators who designed them to align with the official American Nurses Credentialing Center content guidelines. They were built to accurately mirror the real exam's structure, coverage of topics, difficulty, and types of questions.

Upon completing your free practice test, it will be instantly reviewed to give you an idea of your score and potential performance on the actual test. Carefully study your feedback to each question to assess whether your responses were correct or incorrect. This is an effective way to highlight your strengths and weaknesses across different content areas, guiding you on where to concentrate your study efforts for improvement on future tests. Our detailed explanations will provide the information you need to enhance your understanding of the exam content and help you build your knowledge base leading you to better test results.

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ANCC Community Health Nursing - Free Test Sample Questions

The number of persons developing a disease divided by the total number at risk per unit of time is known as which of the following?

Correct Answer:
incidence rate


the correct answer to the question is "incidence rate." the incidence rate is a measure used in epidemiology to determine the probability of developing a new disease within a specified period of time. it is calculated by dividing the number of new cases of a disease that occur during a given time period by the population at risk of developing the disease at the beginning of the time period. the result is typically expressed per 1000 or 100,000 persons.

to clarify further, the incidence rate focuses specifically on new cases, distinguishing it from the prevalence rate, which measures the total number of cases (both new and existing) present in a population at a given time. incidence rates are crucial for studying the causes of disease and for planning public health interventions. they help health professionals and researchers identify risk factors and allocate resources effectively.

the denominator in the incidence rate calculation—the number at risk—excludes those already with the disease and those who cannot develop the disease for any reason. this makes the incidence rate a valuable tool in assessing the risk and speed of disease spread across populations that are actually susceptible to the disease.

incidence rates can vary widely based on the population studied, the disease being analyzed, and the duration of the observation period. they are fundamental in epidemiological studies aiming to prevent disease and promote health across different communities and regions.