HESI LPN
Community Health HESI Practice Exam
1. A 4-month-old child taking digoxin (Lanoxin) has a blood pressure of 92/78; resting pulse of 78; respirations 28, and a potassium level of 4.8 mEq/L. The client is irritable and has vomited twice since the morning dose of digoxin. Which finding is most indicative of digoxin toxicity?
- A. Bradycardia
- B. Lethargy
- C. Irritability
- D. Vomiting
Correct answer: A
Rationale: Bradycardia (abnormally slow heart rate) is a key sign of digoxin toxicity. In this scenario, the child's symptoms of irritability, vomiting, along with the resting pulse of 78 despite being on digoxin, suggest an impending bradycardia due to digoxin toxicity. Lethargy can also be a sign, but in this case, the child is irritable rather than lethargic. Vomiting, though a symptom, is not as specific to digoxin toxicity as bradycardia. Irritability, while present, is not the most indicative finding of digoxin toxicity compared to bradycardia.
2. A female client makes routine visits to a neighborhood community health center. The nurse notes that this client often presents with facial bruising, particularly around the eyes. The nurse discusses prevention of domestic violence with the client even though the client does not admit to being battered. What level of prevention has the nurse applied in this situation?
- A. primary prevention
- B. secondary prevention
- C. tertiary prevention
- D. health promotion
Correct answer: B
Rationale: The correct answer is B: secondary prevention. Secondary prevention involves identifying and addressing issues early to prevent further harm. In this scenario, the nurse is intervening by discussing domestic violence prevention with the client who is showing signs of facial bruising, aiming to prevent further harm even though the client has not disclosed being battered. Choice A (primary prevention) focuses on preventing the onset of a problem before it occurs, like educating about healthy relationships before violence happens. Choice C (tertiary prevention) involves managing and treating the effects of a problem that has already occurred, such as providing counseling to a domestic violence survivor. Choice D (health promotion) aims to enhance well-being and prevent health problems through educational and environmental interventions, which may include aspects of preventing domestic violence, but in this case, the nurse's direct intervention is more about early identification and prevention of harm, aligning it with secondary prevention.
3. The nurse is caring for a client on mechanical ventilation. When performing endotracheal suctioning, the nurse will avoid hypoxia by
- A. Inserting a fenestrated catheter with a whistle tip without suction
- B. Completing the suction pass in 30 seconds with a pressure of 150 mm Hg
- C. Hyperoxygenating with 100% O2 for 1 to 2 minutes before and after each suction pass
- D. Minimizing the suction pass to 60 seconds while slowly rotating the lubricated catheter
Correct answer: C
Rationale: Hyperoxygenating the client before and after suctioning helps prevent hypoxia by ensuring adequate oxygen levels during the procedure, which briefly interrupts the client's normal breathing pattern. Choice A is incorrect because inserting a fenestrated catheter with a whistle tip without suction would not prevent hypoxia. Choice B is incorrect as completing the suction pass in 30 seconds with a pressure of 150 mm Hg may lead to hypoxia. Choice D is incorrect as minimizing the suction pass to 60 seconds may not provide enough time for effective suctioning and could lead to hypoxia.
4. An example of individual influences on health status would be:
- A. Cigarette smoking
- B. A parent with adult-onset diabetes
- C. Exposure to toxic substances in the workplace
- D. All of the above
Correct answer: D
Rationale: The correct answer is 'D' because all the listed factors - cigarette smoking, a parent with adult-onset diabetes, and exposure to toxic substances in the workplace - can individually influence a person's health status. Cigarette smoking directly impacts health by increasing the risk of various diseases. Having a parent with adult-onset diabetes can also influence one's health due to genetic predisposition and lifestyle factors. Exposure to toxic substances in the workplace can lead to health issues. Choices A, B, and C are not mutually exclusive but rather represent different aspects of individual influences on health status, making 'D' the most comprehensive and accurate answer.
5. As a supervisor, you plan to conduct a seminar in response to the midwife's training need for skills in community diagnosis. Which is an appropriate method to use to enable midwives to apply the knowledge they will gain in actual practice?
- A. lecture
- B. problem-solving
- C. group discussion
- D. nominal group technique
Correct answer: B
Rationale: Problem-solving is an effective method to enable midwives to apply the knowledge gained in actual practice. By engaging in problem-solving activities during the seminar, midwives can enhance their critical thinking skills and directly apply the information to real-life scenarios they may encounter in community diagnosis. Choice A (lecture) is less effective as it primarily involves passive listening and may not provide the hands-on experience needed for practical application. Choice C (group discussion) can be helpful for sharing perspectives but may not directly translate to practical application as problem-solving would. Choice D (nominal group technique) focuses more on generating ideas and reaching consensus rather than hands-on application of knowledge.
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