Nursing Elites

1. 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.

2. What behavior does the nurse anticipate when feeding a newborn with choanal atresia?

• A. Chokes during feeding
• B. Experiences swallowing challenges
• C. Lacks hunger cues
• D. Takes about half of the feeding

Correct answer: D

Rationale: When feeding a newborn with choanal atresia, the nurse can anticipate that the infant may take only part of the feeding before pausing for air. This is due to the fact that infants with choanal atresia struggle to breathe through their nose while feeding. Choice A is incorrect as choking typically involves a more severe airway obstruction. Choice B is incorrect because difficulty swallowing is not the primary concern in choanal atresia. Choice C is incorrect as the issue is not related to hunger cues but rather the physiological challenges associated with breathing while feeding.

3. A parent tells a nurse at the clinic, 'Each morning I offer my 24-month-old child juice, and all I hear is ‘No.’ What should I do because I know my child needs fluid?' What strategy should the nurse suggest?

• A. Offer the child a choice of two juices.
• B. Distract the child with a favorite food.
• C. Offer the child the glass in a firm manner.
• D. Allow the child to see the parent getting angry.

Correct answer: A

Rationale: Offering a choice between two options allows the child to feel a sense of control while ensuring they get the necessary fluids. Providing a choice empowers the child and increases the likelihood of cooperation. Distracting the child with food or offering the glass in a firm manner may not address the underlying issue of refusal. Allowing the child to witness the parent's anger can create a negative environment and may not help in resolving the situation positively.

4. The parents of a 2-year-old child tell the nurse that they are having difficulty disciplining their child. What is the nurse’s most appropriate response?

• A. “This is a challenging age for your child right now.”
• B. “Could you elaborate on your challenges? I’m not clear on what you mean.”
• C. “It’s important to be consistent with toddlers when they need discipline.”
• D. “I understand your concern. This phase is often referred to as the 'terrible twos'.”

Correct answer: C

Rationale: The most appropriate response for the nurse is to emphasize the importance of consistency in discipline when dealing with toddlers. Toddlers are at a stage where they are exploring boundaries and learning what behaviors are acceptable. By being consistent, parents can help reinforce these boundaries and teach appropriate behaviors effectively. Choices A, B, and D do not provide specific guidance on how to address the discipline issue effectively. While acknowledging the challenges of this age (Choice A) and empathizing with the parents (Choice D) are important, the key point in this scenario is to highlight the significance of consistency in discipline (Choice C).

5. An infant who has had diarrhea for 3 days is admitted in a lethargic state and is breathing rapidly. The parent states that the baby has been ingesting formula, although not as much as usual, and cannot understand the sudden change. What explanation should the nurse give the parent?

• A. Cellular metabolism is unstable in young children.
• B. The proportion of water in the body is less than in adults.
• C. Renal function is immature in children until they reach school age.
• D. The extracellular fluid requirement per unit of body weight is greater than in adults.

Correct answer: D

Rationale: The correct answer is D. Infants have a higher extracellular fluid requirement per unit of body weight, making them more susceptible to dehydration and electrolyte imbalances during illnesses such as diarrhea. Choice A is incorrect as cellular metabolism instability does not directly relate to the infant's condition described. Choice B is inaccurate as the proportion of water in the body is not the primary issue causing the infant's symptoms. Choice C is incorrect as renal function being immature does not explain the sudden change in the infant's health status; it is more related to fluid balance and dehydration.

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