HESI LPN
Pediatric Practice Exam HESI
1. During a clinical conference with a group of nursing students, the instructor is describing burn classifications. The instructor determines that the teaching has been successful when the group identifies what as characteristic of full-thickness burns?
- A. Skin that is reddened, dry, and slightly swollen
- B. Skin appearing wet with significant pain
- C. Skin with blistering and swelling
- D. Skin that is leathery and dry with some numbness
Correct answer: D
Rationale: Full-thickness burns, also known as third-degree burns, are characterized by a leathery, dry appearance with numbness due to nerve damage. This type of burn extends through all layers of the skin, affecting nerve endings. Choice A describes characteristics of superficial partial-thickness burns, which involve the epidermis and part of the dermis. Choice B describes characteristics of superficial burns, or first-degree burns, which only affect the epidermis. Choice C describes characteristics of superficial to mid-dermal burns, also known as second-degree burns, which involve the epidermis and part of the dermis but do not extend through all skin layers. Therefore, the correct answer is D.
2. What is the appropriate therapeutic management for children with Hirschsprung disease?
- A. daily enemas
- B. low-fiber diet
- C. permanent colostomy
- D. surgical removal of the affected section of bowel
Correct answer: D
Rationale: The correct answer is D: surgical removal of the affected section of bowel. Hirschsprung disease is characterized by a segment of the colon lacking nerve cells, leading to obstruction. The definitive treatment involves surgically removing the affected segment, followed by a pull-through procedure to restore normal bowel continuity. Daily enemas (choice A) are not the primary treatment for Hirschsprung disease. While dietary adjustments may be advised, a low-fiber diet (choice B) alone is not curative for this condition. A permanent colostomy (choice C) is considered a last resort if surgical interventions fail or in severe cases, but it is not the initial therapeutic approach for managing Hirschsprung disease.
3. Following corrective surgery for hypertrophic pyloric stenosis (HPS), an infant is returned to the pediatric unit with an IV infusion in place. What is the priority nursing action?
- A. Apply adequate restraints.
- B. Administer a mild sedative.
- C. Assess the IV site for infiltration.
- D. Attach the nasogastric tube to wall suction.
Correct answer: C
Rationale: The priority nursing action after a corrective surgery for hypertrophic pyloric stenosis (HPS) is to assess the IV site for infiltration. This is crucial to ensure proper fluid administration and prevent complications such as extravasation or infiltration. Applying restraints (Choice A) is not indicated in this scenario and can compromise the infant's comfort and safety. Administering a mild sedative (Choice B) is not necessary and should only be done based on specific clinical indications. Attaching the nasogastric tube to wall suction (Choice D) may be important for certain conditions but is not the priority immediately post-surgery; assessing the IV site is more urgent to prevent potential complications related to IV therapy.
4. A 4-year-old child is brought to the emergency department with a suspected fracture. What is the priority nursing action?
- A. Immobilize the affected limb
- B. Apply ice to the affected area
- C. Elevate the affected limb
- D. Check the child's neurovascular status
Correct answer: A
Rationale: The priority nursing action when a child with a suspected fracture is brought to the emergency department is to immobilize the affected limb. Immobilization helps prevent further injury until a fracture is confirmed or ruled out. Applying ice or elevating the limb may be necessary interventions but should come after immobilizing the limb. Checking the child's neurovascular status is important but should follow immobilization to ensure no further harm is done during the assessment.
5. When teaching a class about trisomy 21, the instructor would identify the cause of this disorder as:
- A. nondisjunction.
- B. X-linked recessive inheritance.
- C. genomic imprinting.
- D. autosomal dominant inheritance.
Correct answer: A
Rationale: The correct answer is A: nondisjunction. Trisomy 21, also known as Down syndrome, is caused by nondisjunction, which is an error in cell division leading to an extra copy of chromosome 21. This additional genetic material alters the course of development and causes the characteristics associated with Down syndrome. Choices B, C, and D are incorrect. X-linked recessive inheritance refers to genetic disorders carried on the X chromosome, genomic imprinting involves gene expression based on parental origin, and autosomal dominant inheritance relates to disorders caused by a dominant gene on one of the non-sex chromosomes. In the case of trisomy 21, the cause is specifically related to the error in chromosome division, making nondisjunction the most appropriate answer.
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