HESI LPN
HESI PN Exit Exam 2023
1. After admission, which observation is most important for the nurse to report immediately for an adult client who weighs 150 pounds and has partial-thickness and full-thickness burns over 40% of the body from a house fire?
- A. Poor appetite and refusal to eat
- B. Systolic blood pressure at 102
- C. Painful moaning and crying
- D. Urinary output of 20 ml/hr
Correct answer: D
Rationale: A urinary output of 20 ml/hr is a sign of inadequate kidney perfusion and could indicate hypovolemic shock, which requires immediate intervention. In this situation, with severe burns over a large portion of the body, monitoring urinary output is crucial to assess kidney function and fluid status. Poor appetite, systolic blood pressure at 102, and painful moaning and crying are important but do not indicate the immediate need for intervention like inadequate urinary output does.
2. Which neurotransmitter is most closely associated with mood regulation and is targeted by antidepressants?
- A. Serotonin
- B. Dopamine
- C. GABA
- D. Acetylcholine
Correct answer: A
Rationale: The correct answer is A: Serotonin. Serotonin plays a vital role in mood regulation, and its imbalance is often associated with depression. Many antidepressants function by boosting serotonin levels in the brain. Dopamine (Choice B) is more linked to reward and pleasure pathways in the brain, not primarily targeted for mood regulation. GABA (Choice C) is an inhibitory neurotransmitter that helps reduce neuronal excitability, not primarily associated with mood regulation. Acetylcholine (Choice D) is involved in muscle movement and cognitive functions, not the primary target of antidepressants for mood regulation.
3. The single mother of a child with a head injury is sitting at the child's bedside crying when the PN enters the room. The mother states, 'Why did this happen to my child? I just can't cope with this.' How should the PN respond?
- A. Ask her to share how the injury occurred to her child.
- B. Recommend that she remain calm and positive for her child.
- C. Express that the present situation must be overwhelming.
- D. Determine if someone else can help her cope with this tragedy.
Correct answer: C
Rationale: Expressing empathy and acknowledging the mother's feelings helps in providing emotional support during a difficult time. This response validates her emotions and offers a comforting presence. Choice A is not appropriate as it focuses on gathering information rather than addressing the mother's emotional distress. Choice B may come off as dismissive of the mother's feelings and oversimplifies the complexity of the situation. Choice D shifts the responsibility to someone else instead of offering immediate support and comfort.
4. A client post-splenectomy is at risk for infection. What is the most important preventive measure the nurse should emphasize during discharge teaching?
- A. Take all prescribed antibiotics as directed.
- B. Avoid crowded places and people who are sick.
- C. Wash hands frequently and practice good hygiene.
- D. Keep the surgical site clean and dry.
Correct answer: C
Rationale: The correct answer is C: 'Wash hands frequently and practice good hygiene.' After a splenectomy, the client is at an increased risk of infection due to the role of the spleen in the immune system. Maintaining good hand hygiene, such as frequent handwashing, is crucial to prevent infections. While taking prescribed antibiotics as directed (Choice A) is important if prescribed, it is not the most crucial preventive measure in this scenario. Avoiding crowded places and sick people (Choice B) can help reduce the risk of exposure to pathogens but may not always be feasible. Keeping the surgical site clean and dry (Choice D) is important for wound care but is not the primary preventive measure to protect against infections in a post-splenectomy client.
5. Which condition is commonly screened for in newborns using the Guthrie test?
- A. Phenylketonuria (PKU)
- B. Cystic fibrosis
- C. Down syndrome
- D. Sickle cell anemia
Correct answer: A
Rationale: The Guthrie test is specifically designed to screen newborns for phenylketonuria (PKU), a metabolic disorder that can lead to intellectual disability if left untreated. Phenylketonuria is caused by the deficiency of an enzyme required to metabolize the amino acid phenylalanine. Screening for PKU in newborns is crucial as early diagnosis and intervention can prevent the severe consequences associated with the condition. Choices B, C, and D are incorrect as the Guthrie test is not used to screen for cystic fibrosis, Down syndrome, or sickle cell anemia.
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