Nursing Elites

1. The nurse is teaching a group of students about myelination in a child. Which statement by the students indicates that the teaching was successful?

• A. Myelination continues into adolescence and beyond.
• B. The process occurs in a cephalocaudal (head-to-toe) pattern.
• C. Myelination decreases the speed of nerve impulses.
• D. Myelination decreases the specificity of nerve impulses.

Correct answer: B

Rationale: The correct answer is B. Myelination occurs in a cephalocaudal (head-to-toe) pattern, improving nerve function progressively. Choice A is incorrect as myelination continues into adolescence and beyond, not just during childhood. Choice C is incorrect because myelination actually increases the speed of nerve impulses rather than decreasing it. Choice D is incorrect as myelination enhances the specificity of nerve impulses, making them more efficient and precise rather than less specific.

2. A child with a diagnosis of gastroenteritis is admitted to the hospital. What is the priority nursing intervention?

• A. Monitoring fluid and electrolyte balance
• B. Encouraging regular exercise
• C. Administering antipyretics
• D. Administering antibiotics

Correct answer: A

Rationale: The correct answer is monitoring fluid and electrolyte balance. Gastroenteritis is characterized by inflammation of the gastrointestinal tract leading to diarrhea and vomiting, which can result in dehydration and electrolyte imbalances. Therefore, the priority nursing intervention is to monitor and maintain the child's fluid and electrolyte balance to prevent complications. Encouraging regular exercise (Choice B) may not be appropriate initially for a child with gastroenteritis who needs rest and fluid replacement. Administering antipyretics (Choice C) is not the priority unless the child has a fever. Administering antibiotics (Choice D) is not indicated for viral gastroenteritis, which is the most common cause of the condition.

3. A group of students is reviewing information about the endocrine system in infants and children. The students demonstrate understanding of the information when they state:

• A. Endocrine glands begin developing in the first trimester of gestation.
• B. At birth, the endocrine glands are not fully functional.
• C. Infants may have difficulty balancing glucose and electrolytes.
• D. A child’s endocrine system plays a vital role in growth and development.

Correct answer: C

Rationale: The correct statement is that infants may have difficulty balancing glucose and electrolytes because their endocrine systems are immature. Newborns have developing endocrine glands that are not yet fully functional, leading to challenges in maintaining glucose and electrolyte balance. Choice A is incorrect as endocrine glands start developing in the first trimester, not the third trimester. Choice B is incorrect as endocrine glands are not fully functional at birth. Choice D is incorrect because while a child’s endocrine system indeed plays a vital role in growth and development, the specific focus of the question is on the challenges infants face due to immature endocrine glands.

4. What would be important for the nurse to include when teaching an adolescent about tinea pedis?

• A. Keep your feet moist and exposed to the air as much as possible.
• B. Dry the area between your toes thoroughly.
• C. Wear nylon or synthetic socks every day.
• D. Walk barefoot in the school locker room.

Correct answer: B

Rationale: The correct answer is B: 'Dry the area between your toes thoroughly.' When educating an adolescent about tinea pedis, emphasis should be placed on keeping the feet dry, especially between the toes, to minimize the risk of fungal infection. Choice A is incorrect as keeping the feet moist can exacerbate the condition. Choice C is incorrect because nylon or synthetic socks can trap moisture, promoting fungal growth. Choice D is incorrect as walking barefoot in locker rooms increases the risk of contracting tinea pedis from contaminated surfaces.

5. Which cardiac defects are associated with tetralogy of Fallot?

• A. Right ventricular hypertrophy, atrial and ventricular defects, and mitral valve stenosis
• B. Origin of the aorta from the right ventricle and of the pulmonary artery from the left ventricle
• C. Right ventricular hypertrophy, ventricular septal defect, pulmonic stenosis, and overriding aorta
• D. Altered connection between the pulmonary artery and the aorta, right ventricular hypertrophy, and an atrial septal defect

Correct answer: C

Rationale: The correct answer is C: Right ventricular hypertrophy, ventricular septal defect, pulmonic stenosis, and overriding aorta are the cardiac defects associated with Tetralogy of Fallot. In Tetralogy of Fallot, these specific abnormalities contribute to the classic features of the condition. Choice A is incorrect as it includes mitral valve stenosis, which is not typically part of Tetralogy of Fallot. Choice B describes transposition of the great arteries, not Tetralogy of Fallot. Choice D mentions an altered connection between the pulmonary artery and the aorta, which is not a defining characteristic of Tetralogy of Fallot.

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