HESI LPN
Pediatric Practice Exam HESI
1. A child has been admitted to the pediatric unit with a severe asthma attack. What type of acid-base imbalance should the nurse expect the child to develop?
- A. metabolic alkalosis due to insufficient production of acid metabolites
- B. respiratory alkalosis due to depressed respirations and retention of carbon dioxide
- C. respiratory acidosis due to impaired respirations and increased formation of carbonic acid
- D. metabolic acidosis due to the kidneys' inability to compensate for decreased carbonic acid formation
Correct answer: C
Rationale: In a severe asthma attack, the child is likely to develop respiratory acidosis. This occurs due to impaired respirations, leading to the retention of carbon dioxide and the formation of carbonic acid. Choice A is incorrect as metabolic alkalosis is not expected in this situation. Choice B is incorrect as respiratory alkalosis does not align with the scenario of impaired respirations in severe asthma attacks. Choice D is also incorrect as it describes metabolic acidosis, which is not typically associated with severe asthma attacks.
2. What are the most common signs and symptoms of leukemia related to bone marrow involvement?
- A. petechiae, infection, fatigue
- B. headache, papilledema, irritability
- C. muscle wasting, weight loss, fatigue
- D. decreased intracranial pressure, psychosis, confusion
Correct answer: A
Rationale: The correct answer is A: petechiae, infection, fatigue. In leukemia, bone marrow involvement leads to a decrease in normal blood cell production, resulting in petechiae (small red or purple spots on the skin), increased susceptibility to infections due to decreased white blood cells, and fatigue from anemia. Choices B, C, and D are incorrect because they do not directly relate to the typical signs and symptoms of leukemia with bone marrow involvement. Headache, papilledema, irritability, muscle wasting, weight loss, decreased intracranial pressure, psychosis, and confusion are not typically associated with leukemia and bone marrow involvement.
3. The nurse is assessing a family to determine if they have access to adequate health care. Which statement accurately describes how certain families are affected by common barriers to health care?
- A. After a decade of escalation, the percentage of children living in low-income families has been on the decline since 2000.
- B. White, non-Hispanic children overall are more likely than African American and Hispanic children to be in very good or excellent health.
- C. The proportion of children between the ages of 6 and 18 who are overweight is decreasing, but a large increase is occurring in African American females.
- D. The overall health care plan of working families may improve access to specialty care but limit access to preventive services.
Correct answer: B
Rationale: Choice B is the correct answer because it accurately states that White, non-Hispanic children are more likely to be in very good or excellent health compared to African American and Hispanic children. This reflects a disparity in health outcomes among different racial groups. Choices A, C, and D are incorrect. Choice A is unrelated to the impact of common barriers to health care on families. Choice C talks about overweight children but does not address access to health care. Choice D discusses the impact of the overall health care plan on working families but does not specifically address the disparity in health status among different racial groups.
4. While performing a visual inspection of a 30-year-old woman in active labor, you can see the umbilical cord at the vaginal opening. After providing high concentration oxygen, you should next
- A. massage the uterus to facilitate delivery of the fetus
- B. relieve pressure from the cord with your gloved fingers
- C. place the mother on her left side and provide rapid transport
- D. elevate the mother's lower extremities and provide immediate transport
Correct answer: B
Rationale: In the scenario described, when the umbilical cord is visible at the vaginal opening, the priority is to relieve pressure from the cord with gloved fingers. This action helps prevent cord compression and ensures continued oxygenation to the fetus, which is crucial for the baby's well-being. Massaging the uterus or elevating the mother's lower extremities is not the correct course of action in this situation and may potentially worsen the condition. Placing the mother on her left side and providing rapid transport is not the immediate step needed to address the visible umbilical cord; relieving pressure from the cord takes precedence to maintain fetal oxygen supply.
5. In a case where a limb is protruding from a mother's vagina during active labor, how should this condition be managed?
- A. Positioning the mother in a semi-Fowler's position, administering oxygen, and providing transport
- B. Positioning the mother in a head-down position with her hips elevated, administering oxygen, and providing transport
- C. Applying gentle traction to the protruding limb to remove pressure of the fetus from the umbilical cord
- D. Giving the mother 100% oxygen and attempting to manipulate the protruding limb so that delivery can occur
Correct answer: B
Rationale: When a limb is protruding from the vagina during active labor, the appropriate management includes positioning the mother in a head-down position with her hips elevated. This position helps relieve pressure on the umbilical cord, reducing the risk of compromising fetal blood flow and oxygenation. Administering oxygen is essential to maintain oxygenation levels for both the mother and the fetus. Providing transport to a healthcare facility equipped to manage this obstetric emergency is crucial for ensuring a safe delivery. Choice A is incorrect because a semi-Fowler's position does not effectively relieve pressure on the umbilical cord. Choice C is incorrect as applying traction to the protruding limb can lead to injury or complications for both the mother and the fetus. Choice D is incorrect because attempting to manipulate the limb without proper positioning and preparation can worsen the situation and increase risks during delivery.
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