HESI LPN
Community Health HESI Exam
1. Which of the following measures the frequency of new cases of the phenomenon during a given period of time?
- A. prevalence rate
- B. proportionate mortality rate
- C. case fatality rate
- D. incidence rate
Correct answer: D
Rationale: The correct answer is D, incidence rate. Incidence rate measures the frequency of new cases of a phenomenon, providing important information about the risk of developing the condition. Prevalence rate (choice A) reflects both old and new cases, proportionate mortality rate (choice B) is the proportion of deaths due to a specific cause, and case fatality rate (choice C) measures the proportion of deaths among confirmed cases, not just new cases.
2. All of the following are objectives of FHSIS EXCEPT:
- A. To complete the clinical picture of chronic diseases and describe their natural history
- B. To provide a standardized, facility-level database that can be accessed for more in-depth studies
- C. To minimize recording and reporting burden, allowing more time for patient care and promotive activities
- D. To ensure that data reported are useful and accurate and are disseminated in a timely and easy-to-use fashion
Correct answer: A
Rationale: The correct answer is A. Completing the clinical picture of chronic diseases and describing their natural history is not an objective of FHSIS. The objectives of FHSIS include providing a standardized, facility-level database for more in-depth studies (B), minimizing recording and reporting burden to allow more time for patient care and promotive activities (C), and ensuring that reported data are useful, accurate, and disseminated in a timely and easy-to-use manner (D). Therefore, A is the exception among the listed objectives.
3. In formulating an objective of a community care plan, she expected results and people taking part in the activities should be clearly defined. This refers to an objective which is:
- A. time-bound
- B. specific
- C. resource-oriented
- D. measurable
Correct answer: B
Rationale: The correct answer is 'specific.' In formulating a community care plan, defining expected results and participant roles require objectives to be specific to provide clear guidance and outcomes. 'Time-bound' refers to setting deadlines, 'resource-oriented' focuses on utilizing available resources efficiently, and 'measurable' indicates the ability to quantify progress, but these aspects do not necessarily address the need for clarity and definition in defining expected results and participant roles.
4. A client is admitted with a diagnosis of myocardial infarction (MI). The client is complaining of chest pain. The nurse knows that pain related to an MI is due to
- A. Insufficient oxygenation of the cardiac muscle
- B. Potential circulatory overload
- C. Left ventricular overload
- D. Electrolyte imbalance
Correct answer: A
Rationale: The correct answer is A: Insufficient oxygenation of the cardiac muscle. Myocardial infarction pain is primarily caused by inadequate oxygen reaching the heart muscle, leading to ischemia and tissue damage. Choices B, C, and D are incorrect because circulatory overload, left ventricular overload, and electrolyte imbalance are not the primary causes of chest pain in myocardial infarction. Circulatory overload may lead to other symptoms like edema, left ventricular overload can result in heart failure symptoms, and electrolyte imbalance may present with various manifestations, but none of these directly cause the characteristic chest pain associated with an MI.
5. Which individual has the highest risk of developing community-acquired pneumonia?
- A. A 40-year-old first-grade teacher who works with underprivileged children.
- B. A 75-year-old retired secretary with exercise-induced wheezing.
- C. A 60-year-old homeless person who is an alcoholic and smokes.
- D. A 35-year-old aerobics instructor who skips meals and eats only vegetables.
Correct answer: C
Rationale: The correct answer is the 60-year-old homeless person who is an alcoholic and smokes. This individual has the highest risk of developing community-acquired pneumonia due to factors such as homelessness, alcoholism, and smoking, which weaken the immune system and make them more susceptible to respiratory infections. Choice A is incorrect as working with underprivileged children, while potentially exposing the individual to various illnesses, does not directly increase the risk of pneumonia. Choice B is less likely as exercise-induced wheezing may suggest asthma but does not directly correlate with pneumonia risk. Choice D, an aerobics instructor who eats only vegetables and skips meals, does not have the same level of risk factors for pneumonia as the homeless person in choice C.
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