An infant is brought to the emergency department with poor skin turgor, weight loss, irritability, and tachycardia. The nurse analyzes the data to suggest:

Sodium excess

Overhydration

Dehydration

Calcium excess

Answer and Explanation

The Correct Answer is C

Choice A reason: This statement is incorrect, as sodium excess is not likely to cause the symptoms of poor skin turgor, weight loss, irritability, and tachycardia in an infant. Sodium excess, or hypernatremia, is a condition where the blood sodium level is too high, which can result from excessive intake or loss of water. The symptoms of sodium excess may include thirst, dry mouth, confusion, seizures, or coma.

Choice B reason: This statement is incorrect, as overhydration is not likely to cause the symptoms of poor skin turgor, weight loss, irritability, and tachycardia in an infant. Overhydration, or hypervolemia, is a condition where the body has too much fluid, which can result from excessive intake or retention of water. The symptoms of overhydration may include edema, weight gain, shortness of breath, or crackles in the lungs.

Choice C reason: This statement is correct, as dehydration is the most likely cause of the symptoms of poor skin turgor, weight loss, irritability, and tachycardia in an infant. Dehydration is a condition where the body loses more fluid than it takes in, which can result from vomiting, diarrhea, fever, or inadequate intake of water. The symptoms of dehydration may include dry skin, sunken eyes, decreased urine output, or lethargy.

Choice D reason: This statement is incorrect, as calcium excess is not likely to cause the symptoms of poor skin turgor, weight loss, irritability, and tachycardia in an infant. Calcium excess, or hypercalcemia, is a condition where the blood calcium level is too high, which can result from hyperparathyroidism, malignancy, or excessive intake of vitamin D or calcium. The symptoms of calcium excess may include nausea, constipation, muscle weakness, or kidney stones.

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Correct Answer is A

Explanation

Choice A reason: This statement is correct, as atopic dermatitis (eczema) is a chronic inflammatory skin disorder that is often linked to allergic conditions, such as asthma, hay fever, or food allergies. It also has a genetic component, as it tends to run in families.

Choice B reason: This statement is incorrect, as atopic dermatitis (eczema) is not associated with upper respiratory tract infections, but rather with lower respiratory tract infections, such as bronchitis or pneumonia. Upper respiratory tract infections affect the nose, throat, and sinuses, while lower respiratory tract infections affect the lungs and airways.

Choice C reason: This statement is incorrect, as atopic dermatitis (eczema) is not easily cured, but rather a chronic and relapsing condition that requires long-term management. There is no cure for eczema, but the symptoms can be controlled with medications, moisturizers, and avoidance of triggers.

Choice D reason: This statement is incorrect, as treatment for atopic dermatitis (eczema) does not include keeping the skin dry, but rather keeping the skin moist and hydrated. Dry skin can worsen the itching and inflammation of eczema, so the nurse should advise the parents to apply emollients to the infant's skin after bathing, use mild and fragrance-free soaps and detergents, and avoid excessive heat and sweating.

A. Chromosomal mutation is the cause. B. Slow feeding will be necessary for a few months. C. Dietary restrictions will be required throughout childhood. D. Surgery will be necessary.

Correct Answer is D

Explanation

Choice A reason: Chromosomal mutation is not the cause of hypertrophic pyloric stenosis. The exact cause is unknown, but it may be related to genetic, environmental, or hormonal factors.

Choice B reason: Slow feeding will not be sufficient to manage hypertrophic pyloric stenosis. The infant will have persistent vomiting, dehydration, and weight loss due to the obstruction of the pylorus.

Choice C reason: Dietary restrictions will not be effective for hypertrophic pyloric stenosis. The infant will not be able to tolerate any oral intake until the pylorus is surgically corrected.

Choice D reason: Surgery will be necessary to treat hypertrophic pyloric stenosis. The surgery is called pyloromyotomy, which involves cutting the thickened muscle of the pylorus to allow the stomach to empty into the duodenum.

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An infant is brought to the emergency department with poor skin turgor, weight loss, irritability, and tachycardia. The nurse analyzes the data to suggest:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which statement regarding atopic dermatitis (eczema) in the infant is most accurate?

Correct Answer is A

Explanation

The mother of an infant with hypertrophic pyloric stenosis asks the nurse many questions about the problem. When answering these questions, the nurse should convey the idea that:

Correct Answer is D

Explanation

The nurse providing feeding instructions to a family with a newborn with cleft lip and palate will include:

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