HESI LPN
Pediatric Practice Exam HESI
1. When preparing a 2-year-old child for surgery, what preoperative teaching should be provided to help them understand the procedure?
- A. Explaining the procedure in simple terms
- B. Using a doll to demonstrate the procedure
- C. Showing pictures of the hospital environment
- D. Allowing the child to play with medical equipment
Correct answer: B
Rationale: The correct preoperative teaching for a 2-year-old child undergoing surgery involves using a doll to demonstrate the procedure. This method helps the child understand what to expect in a non-threatening and visual way, making the experience less intimidating. Explaining the procedure in simple terms (Choice A) may not effectively convey the details to a young child. Showing pictures of the hospital environment (Choice C) may not directly address the surgical procedure itself. Allowing the child to play with medical equipment (Choice D) can be unsafe and may not effectively prepare the child for the surgery.
2. An infant is diagnosed with Hirschsprung disease. What nursing intervention is essential before surgery?
- A. Administering antibiotics
- B. Ensuring bowel rest
- C. Performing regular enemas
- D. Maintaining NPO status
Correct answer: D
Rationale: Maintaining NPO (nothing by mouth) status is essential before surgery for a patient with Hirschsprung disease to prevent aspiration. Administering antibiotics, ensuring bowel rest, and performing regular enemas are not the priority interventions before surgery for this condition. Administering antibiotics may be necessary in the postoperative period to prevent infection, ensuring bowel rest can be beneficial but is not the priority, and performing regular enemas is not typically recommended before surgery for Hirschsprung disease.
3. A healthcare professional is educating a parent group about the importance of immunizations. Which disease can be prevented by the varicella vaccine?
- A. Measles
- B. Mumps
- C. Rubella
- D. Chickenpox
Correct answer: D
Rationale: The varicella vaccine is specifically designed to prevent chickenpox. Measles, mumps, and rubella are prevented by different vaccines (MMR vaccine for measles, mumps, and rubella). Therefore, the correct answer is chickenpox (varicella). It is crucial for healthcare professionals to provide accurate information about vaccines to help ensure the health and well-being of individuals.
4. A nurse plans to talk to the parents of a toddler about toilet training. What should the nurse explain is the most important factor in the process of toilet training?
- A. Parents' attitude about it
- B. Child's desire to remain dry
- C. Child's ability to sit still on the toilet
- D. Parents' willingness to work at the toilet training
Correct answer: D
Rationale: The most crucial factor in the process of toilet training is the parents' willingness to consistently engage and work with their child. While parents' attitude and the child's desire to remain dry can influence the process, the key to successful toilet training lies in the parents' commitment and effort. The child's ability to sit still on the toilet is important but not as critical as the parents' active involvement and support in guiding and encouraging the child through the training process.
5. The parents of a 6-week-old infant who was born without an immune system ask a nurse why their baby is still so healthy. How should the nurse reply?
- A. Exposure to pathogens during this time can be limited.
- B. Some antibodies are produced by the infant’s colonic bacteria.
- C. Antibodies are passively received from the mother through the placenta and breast milk.
- D. Fewer antibodies are produced by the fetal thymus during the eighth and ninth months of gestation.
Correct answer: C
Rationale: The correct answer is C. Infants receive passive immunity through antibodies from the mother during pregnancy and breastfeeding, which protect them initially. Choice A is incorrect because a 6-week-old infant born without an immune system would not be able to limit exposure to pathogens effectively. Choice B is incorrect as antibodies produced by colonic bacteria are not a significant source of immunity in infants. Choice D is incorrect as the fetal thymus primarily plays a role in T cell development rather than antibody production during gestation.
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