Nursing Elites

1. A healthcare professional is reviewing the laboratory report of a child with tetralogy of Fallot that indicates an elevated RBC count. What does the professional identify as the cause of the polycythemia?

• A. Low tissue oxygen needs
• B. Tissue oxygen needs
• C. Diminished iron level
• D. Hypertrophic cardiac muscle

Correct answer: B

Rationale: The correct answer is B: Tissue oxygen needs. Polycythemia occurs as the body's response to chronic hypoxia by increasing RBC production to enhance oxygen delivery. In tetralogy of Fallot, a congenital heart defect, the heart's structure causes reduced oxygen levels in the blood. This chronic hypoxia stimulates the bone marrow to produce more red blood cells, leading to an elevated RBC count. Choice A is incorrect as low blood pressure is not directly related to polycythemia in this context. Choice C, diminished iron level, is not the cause of polycythemia in tetralogy of Fallot. Choice D, hypertrophic cardiac muscle, is not the primary cause of the elevated RBC count in this case.

2. A nurse is caring for an infant with a tentative diagnosis of hypertrophic pyloric stenosis (HPS). What is most important for the nurse to assess?

• A. Quality of the cry
• B. Signs of dehydration
• C. Coughing up feedings
• D. Characteristics of the stool

Correct answer: B

Rationale: The correct answer is B: Signs of dehydration. Infants with hypertrophic pyloric stenosis (HPS) are at high risk of dehydration due to frequent vomiting. Assessing for signs of dehydration, such as decreased urine output, dry mucous membranes, and sunken fontanelles, is crucial for early intervention and management. Choices A, C, and D are not the most critical assessments for HPS. The quality of the cry (choice A) may not provide as much relevant information in this case. Coughing up of feedings (choice C) may be a symptom but is not as crucial as assessing for dehydration. Characteristics of the stool (choice D) are important but assessing for signs of dehydration takes precedence due to the immediate risk it poses to the infant's health.

3. The nurse is teaching the parents of a 1-month-old girl with Down syndrome how to maintain good health for the child. Which instruction would the nurse be least likely to include?

• A. Getting cervical radiographs between 3 and 5 years of age
• B. Adhering to the special dietary needs of the child
• C. Getting an echocardiogram before 3 months of age
• D. Monitoring for symptoms of respiratory infection

Correct answer: B

Rationale: The correct answer is B. While special dietary needs may be important for a child with Down syndrome, they are typically not the primary concern for a 1-month-old. The nurse would be least likely to focus on this aspect as immediate issues such as monitoring for congenital heart defects (echocardiogram), cervical spine abnormalities (radiographs), and respiratory infections are more critical in the early months. Adhering to dietary needs is important, but it is usually addressed as the child grows older and is not the priority during the infant stage.

4. A nurse is assessing a child with suspected rheumatic fever. What clinical manifestation is the nurse likely to observe?

• A. Jaundice
• B. Peeling skin on the hands and feet
• C. High fever
• D. Severe joint pain

Correct answer: D

Rationale: The correct answer is D, severe joint pain. Rheumatic fever commonly presents with severe joint pain due to joint inflammation. Jaundice (choice A) is not typically associated with rheumatic fever. Peeling skin on the hands and feet (choice B) is more indicative of conditions like Kawasaki disease. While a high fever (choice C) can be present, it is not as specific to rheumatic fever as severe joint pain. Severe joint pain, along with other criteria like carditis, subcutaneous nodules, erythema marginatum, and Sydenham chorea, are major criteria used in the diagnosis of rheumatic fever.

5. A parent and 4-year-old child who recently emigrated from Colombia arrive at the pediatric clinic. The child has a temperature of 102°F, is irritable, and has a runny nose. Inspection reveals a rash and several small, red, irregularly shaped spots with blue-white centers in the mouth. What illness does the nurse suspect the child has?

• A. Measles
• B. Chickenpox
• C. Fifth disease
• D. Scarlet fever

Correct answer: A

Rationale: The nurse should suspect measles based on the symptoms described, including the presence of Koplik spots (small, red spots with blue-white centers in the mouth). Measles typically presents with fever, irritability, runny nose, and a rash that begins on the face and spreads downward. Chickenpox (choice B) presents with vesicular lesions in different stages of healing and usually starts on the trunk. Fifth disease (choice C) presents with a 'slapped cheek' rash on the face and can cause joint pain. Scarlet fever (choice D) is characterized by a sandpaper-like rash, fever, and strawberry tongue.

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