Nursing Elites

1. At what age is binocularity, the ability to fixate on one visual field with both eyes simultaneously, typically achieved?

• A. 1 month
• B. 3 to 4 months
• C. 6 to 8 months
• D. 12 months

Correct answer: B

Rationale: Binocularity, the ability to fixate on one visual field with both eyes simultaneously, is typically achieved by the age of 3 to 4 months. Achieving binocularity at 1 month is too early for most infants as their visual system is still developing. Similarly, 6 to 8 months and 12 months are beyond the normal age range for achieving binocularity, and delayed achievement could indicate potential issues like strabismus, which may lead to visual impairment if not addressed.

2. Which pediatric condition is characterized by a "string sign" on an upper GI series?

• A. Intussusception
• B. Hypertrophic pyloric stenosis
• C. Hirschsprung disease
• D. Meckel diverticulum

Correct answer: B

Rationale: The correct answer is B: Hypertrophic pyloric stenosis. The "string sign" is associated with hypertrophic pyloric stenosis, a condition where the pyloric canal is narrowed, leading to gastric outlet obstruction. Intussusception (choice A) typically presents with colicky abdominal pain and currant jelly stools. Hirschsprung disease (choice C) is characterized by the absence of ganglion cells in the distal colon. Meckel diverticulum (choice D) is a congenital outpouching of the small intestine that can present with painless rectal bleeding.

3. A parent of an infant with gastroesophageal reflux asks how to decrease the number and total volume of emesis. What recommendation should the nurse include in teaching this parent?

• A. Surgical therapy is indicated.
• B. Place the infant in a prone position for sleep after feeding.
• C. Thicken feedings and enlarge the nipple hole.
• D. Reduce the frequency of feeding by encouraging larger volumes of formula.

Correct answer: C

Rationale: The correct recommendation for decreasing the number and total volume of emesis in an infant with gastroesophageal reflux is to thicken feedings and enlarge the nipple hole. Thicker feedings can reduce the frequency and volume of emesis by making the food less likely to be regurgitated. Enlarging the nipple hole helps ensure the thickened feedings can pass through. Surgical therapy (Choice A) is not the initial recommendation for managing gastroesophageal reflux in infants. Placing the infant in a prone position for sleep after feeding (Choice B) is not recommended due to the increased risk of sudden infant death syndrome (SIDS). Reducing the frequency of feeding by encouraging larger volumes of formula (Choice D) can exacerbate the reflux symptoms.

4. According to Piaget, a 6-month-old infant should be in which developmental stage?

• A. Use of reflexes
• B. Primary circular reactions
• C. Secondary circular reactions
• D. Coordination of secondary schemata

Correct answer: C

Rationale: By 6 months, infants are usually in the stage of secondary circular reactions, where they start to intentionally repeat actions that bring pleasure or interesting results.

5. Which sign is indicative of developmental dysplasia of the hip in infants?

• A. Ortolani sign
• B. Romberg sign
• C. Trendelenburg sign
• D. Gower's sign

Correct answer: A

Rationale: The Ortolani sign is a specific maneuver used during physical examination to detect hip instability or dislocation in infants. A positive Ortolani sign, where the hip is felt to slip back into the socket, is indicative of developmental dysplasia of the hip, a condition that can lead to long-term disability if not treated early. Romberg sign is used to assess sensory ataxia, Trendelenburg sign indicates weakness of the hip abductor muscles, and Gower's sign is seen in children with proximal muscle weakness climbing up their own body from a supine position due to conditions like muscular dystrophy.

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