HESI LPN
Community Health HESI Test Bank
1. A community health RN believes that immunization rates in a lower socioeconomic section of the city are probably below the target set by the state health department. What action should the RN take FIRST to intervene with this health problem?
- A. Take a health history of the members of the community
- B. Initiate an immunization program for the community
- C. Review current epidemiological population data that might document a low immunization rate
- D. Refer all clients to the local health department
Correct answer: C
Rationale: The correct first action for the community health RN to take in this situation is to review current epidemiological population data that might document a low immunization rate. By doing so, the RN can gather evidence to support further intervention strategies. Option A is incorrect because taking a health history would not provide immediate data on immunization rates in the community. Option B is incorrect as initiating an immunization program without confirming the actual immunization rates may not address the specific needs of the community. Option D is incorrect as a blanket referral without assessing the situation may not be the most effective first step.
2. In planning care for a premature infant with respiratory distress syndrome, nursing actions are based on the fact that the most likely cause of this problem stems from the infant's inability to
- A. Stabilize alveolar surface tension
- B. Maintain alveolar surface tension
- C. Promote normal pulmonary blood flow
- D. Regulate intra-cardiac pressure
Correct answer: B
Rationale: The correct answer is B: Maintain alveolar surface tension. Respiratory distress syndrome in premature infants is often caused by a deficiency in surfactant, a substance that helps maintain alveolar surface tension. Without adequate surfactant, the alveoli collapse, making it difficult for the infant to oxygenate effectively. Choices A, C, and D are incorrect because stabilizing alveolar surface tension is not the issue, promoting normal pulmonary blood flow and regulating intra-cardiac pressure are not directly related to the pathophysiology of respiratory distress syndrome in premature infants.
3. What is one characteristic that differentiates vitamins from minerals?
- A. Vitamins are organic compounds.
- B. Vitamins provide energy.
- C. Vitamins are considered micronutrients.
- D. Vitamins are essential in small amounts.
Correct answer: A
Rationale: The correct answer is A. Vitamins are organic compounds, containing carbon, which is a key characteristic that differentiates them from minerals. Choice B is incorrect because vitamins do not provide energy; they are not a source of calories. Choice C is incorrect as both vitamins and minerals are considered micronutrients due to being essential in small amounts. Choice D is incorrect because while it is true that vitamins are needed in small amounts, this is not the characteristic that sets them apart from minerals.
4. Which behavior indicates the nurse is using a team approach when caring for a patient who is experiencing alterations in mobility?
- A. Delegates assessment of lung sounds to nursing assistive personnel
- B. Becomes solely responsible for modifying activities of daily living
- C. Consults physical therapy for strengthening exercises in the extremities
- D. Involves respiratory therapy for altered breathing from severe anxiety levels
Correct answer: C
Rationale: Consulting physical therapy for strengthening exercises in the extremities demonstrates a team approach in caring for a patient with mobility issues. Involving other healthcare professionals like physical therapists ensures a comprehensive and specialized approach to address the patient's mobility needs. This collaborative approach benefits the patient by providing specialized interventions. Choices A, B, and D do not exemplify a collaborative team approach. Delegating assessment tasks to nursing assistive personnel (Choice A) may not address the mobility issue directly. Becoming solely responsible for modifying activities of daily living (Choice B) limits the scope of interventions. Involving respiratory therapy for anxiety-related breathing issues (Choice D) addresses a different aspect of care and does not directly target mobility concerns.
5. What definitive diagnostic procedure does the nurse expect to be used to confirm the diagnosis of Hirschsprung disease in a 1-month-old infant?
- A. Colonoscopy
- B. Rectal biopsy
- C. Multiple saline enemas
- D. Fiberoptic nasoenteric tube
Correct answer: B
Rationale: Rectal biopsy is the definitive diagnostic procedure for Hirschsprung disease in infants. This procedure reveals the absence of ganglion cells in the affected bowel segment, which is a hallmark of Hirschsprung disease. Colonoscopy (Choice A) is not typically used for diagnosing Hirschsprung disease due to the risk of not accurately reaching the affected segment. Multiple saline enemas (Choice C) are not used to confirm the diagnosis of Hirschsprung disease. Fiberoptic nasoenteric tube (Choice D) is not a standard diagnostic procedure for Hirschsprung disease and does not provide the necessary information to confirm the absence of ganglion cells in the affected bowel segment.