ATI Community Health Proctored Exam (Detail Solutions and Resource for the test) A community health nurse is preparing a community presentation about the epidemiological triangle. Which of the following elements is a host.? Salmonella on a wood cutting board. A raccoon with rabies A farm containing pesticides. a factory with high noise levels. The epidemiological triangle is a model of the agenthost environment interaction that causes disease. The host is a living species, either human or animal, that is capable of being infected ore affected by an agent. A newly licensed nurse in a public health agency is assigned to assist with the task force that is responsible for the core function of assessment. Which of the following is a task that the nurse could be assigned that would be consistent with the focus of the task force? Investigating local health hazards. updating local policies to support community health efforts. Collaborating with community agencies to improve availability of services. Investigating health hazards of the local community is a component of the public health core function of assessment. A community health nurse is visiting a family that has newborn twins and two school-age children. The parents tell the nurse they are emotionally and financially overwhelmed. Which of the following referrals are appropriate? (Select all that apply). Postpartum support group Women, Infant, and Children (WIC) program Child Protective Service (CPS) Medicare Part B Free school lunch program. A public health nurse is working in a community that has a population of 24.096. There are 2.096 existing cases of heart disease within the population. The nurse can determine which of the following from this information. Prevalence proportion Incidence proportion. The prevalence proportion can be calculated given how many people were affected at a given time and the total population.