The practical nurse (PN) is reviewing education for the parents of an infant with developmental dysplasia of the hip about dynamic splinting.
Which information should the PN reinforce about the purpose of this treatment?
Promotes range-of-motion.
Increases extension.
Maintains abduction.
Provides immobilization.
The Correct Answer is C
Choice A rationale
Promoting range-of-motion is typically achieved through exercises and movement. Dynamic splinting aims to maintain a specific joint position rather than actively increasing range of motion, which might be counterproductive to hip stability in developmental dysplasia.
Choice B rationale
Increasing extension would involve straightening the hip joint. In developmental dysplasia of the hip, the goal of treatment is to maintain the femoral head within the acetabulum, which often requires a flexed and abducted position, not extension.
Choice C rationale
Maintaining abduction is the primary purpose of dynamic splinting in developmental dysplasia of the hip. Abduction helps to seat the femoral head deeply into the acetabulum, promoting proper hip development and stability by stimulating acetabular ossification.
Choice D rationale
Providing immobilization implies completely restricting movement. Dynamic splinting, like the Pavlik harness, allows some movement while maintaining the abduction, flexion, and external rotation necessary for proper hip development. Full immobilization is typically not the goal for developmental dysplasia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
This schedule is incorrect for pertussis (whooping cough) immunization. Pertussis vaccination, usually as part of the DTaP vaccine, is initiated in infancy and requires multiple doses to build adequate immunity, not just a single dose at 1 year or 6 years of age.
Choice B rationale
This schedule is incorrect and deviates from the standard recommendations for pertussis vaccination. The typical primary series of DTaP vaccination begins earlier in infancy and includes specific booster doses at later ages to maintain protection against the disease.
Choice C rationale
This schedule is incorrect for pertussis immunization. While some vaccinations begin at birth, and boosters are given periodically, the specific timing and frequency for pertussis in this option do not align with the established guidelines for the DTaP or Tdap vaccines.
Choice D rationale
This is the recommended immunization schedule for pertussis, typically administered as part of the DTaP vaccine. The primary series at 2, 4, and 6 months establishes foundational immunity, and boosters at 15-18 months and 4-6 years of age are crucial for maintaining long-term protection against the disease.
Correct Answer is B
Explanation
Choice A rationale
Applying a dry diaper over the PUC bag is a routine step after placement but is not the most important action for checking placement. While necessary for hygiene and containing urine, it does not directly verify the correct anatomical positioning of the collection bag, which is crucial for accurate and contamination-free urine collection in infants.
Choice B rationale
Ensuring the bag's adhesive is secured to the true perineum is the most critical action. Proper placement on the true perineum (the anatomical region between the thighs, encompassing the anus and external genitalia) ensures that urine directly enters the collection bag, preventing contamination from stool or skin flora, and allowing for an accurate and sterile urine sample.
Choice C rationale
Calculating the infant's fluid intake is a separate nursing responsibility related to overall fluid balance and hydration status. It is not directly related to checking the correct placement of a pediatric urine collection bag. While fluid intake influences urine output, it does not provide information about the anatomical accuracy of the bag's application.
Choice D rationale
Asking the mother when the infant previously voided provides historical information about the infant's voiding pattern. While helpful for anticipating when the infant might void again, this information does not confirm the current, proper placement of the urine collection bag. The physical verification of adhesive placement is paramount for effective collection.
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