a nine year old child understands that an arm will look the same when the iv is removed which of the principles according to piaget supports this stat
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ATI Nursing Care of Children

1. According to Piaget, which principle supports a nine-year-old child's understanding that an arm will look the same when the IV is removed?

Correct answer: A

Rationale: The correct answer is A, the principle of conservation. Piaget's principle of conservation relates to a child's ability to understand that certain properties of objects remain unchanged despite modifications in their appearance. In this case, the child's understanding that an arm will look the same after the IV is removed demonstrates conservation of appearance. Choice B, transductive reasoning, involves making faulty generalizations based on specific instances and does not apply in this context. Choice C, the principle of identity, pertains to recognizing objects as the same even if they undergo transformations, which is not directly relevant to the scenario. Choice D, reflex abilities, refers to automatic responses to stimuli and is unrelated to the child's understanding of the arm's appearance post-IV removal.

2. The nurse is conducting discharge teaching to an adolescent with a methicillin-resistant Staphylococcus aureus (MRSA) infection. What should the nurse include in the instructions?

Correct answer: B

Rationale: Avoiding sharing of towels and washcloths, using bleach when laundering, and taking daily baths with antibacterial soap are critical to prevent the spread of MRSA. Cold water is not effective for laundering in these cases.

3. In general, how much is a child that was 10 pounds at birth expected to weigh at 6 months old?

Correct answer: A

Rationale: The correct answer is A. A child is expected to double their birth weight by 6 months. This is a common guideline used to monitor healthy growth and development in infants. Choices B, C, and D are incorrect as they do not provide the expected weight based on the given information.

4. A mother has just given birth to a newborn with a cleft lip. Sensing that something is wrong, she starts to cry and asks the nurse, "What is wrong with my baby?" What is the most appropriate nursing action?

Correct answer: A

Rationale: Encouraging the mother to express her feelings allows her to process the situation and prepares her for receiving further information in a supportive environment.

5. Which laboratory test would be most important for the nurse to assess when caring for a toddler suspected of having cystic fibrosis?

Correct answer: C

Rationale: The sweat chloride test is the primary diagnostic test for cystic fibrosis. Cystic fibrosis is characterized by abnormal transport of chloride and sodium across epithelial cell membranes, leading to increased chloride in sweat. This test is crucial for diagnosing cystic fibrosis in suspected cases. Liver enzymes (Choice A), serum calcium (Choice B), and urine creatinine (Choice D) are not specific tests for cystic fibrosis and would not provide the necessary information for diagnosis in this case.

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