The nurse has admitted a child with tricuspid atresia. The nurse would expect which initial lab result?

A high hemoglobin

A prolonged PTT

A low hematocrit

A low platelet count

Answer and Explanation

The Correct Answer is A

a) A high hemoglobin: Tricuspid atresia typically leads to decreased pulmonary blood flow, causing cyanosis and chronic hypoxemia, which can result in increased hemoglobin levels as the body compensates for low oxygen.

b) A prolonged PTT: While not typically associated with tricuspid atresia specifically.

c) A low hematocrit: Hematocrit levels might be normal or elevated due to chronic hypoxemia.

d) A low platelet count: Platelet count might not be directly affected by tricuspid atresia.

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Correct Answer is A

Explanation

a) Hemolytic uremic syndrome: This condition often follows gastrointestinal infection caused by certain E. coli strains, leading to kidney damage and renal failure, particularly in children.

b) Hypovolemic shock: While severe dehydration and shock can affect renal function, they are not direct causes of prenatal renal failure.

c) Congenital obstructive urethra: This condition occurs when the urethra, the tube that carries urine from the bladder to the outside of the body, is blocked or narrowed. This can prevent urine from draining properly and cause damage to the kidneys before birth.

d) Glomerulonephritis: It's a kidney inflammation condition but not typically associated with prenatal renal failure.

A. Constipation B. Meconium ileus C. Rectal prolapse D. Steatorrhea stools

Correct Answer is B

Explanation

a) Constipation: Not typically a primary symptom of cystic fibrosis.

b) Meconium ileus: Meconium ileus is a bowel obstruction that occurs shortly after birth due to abnormally thick meconium. It is a classic early sign of cystic fibrosis in newborns. Other symptoms such as failure to thrive, persistent cough, salty-tasting skin, and recurrent respiratory infections may also manifest later.

c) Rectal prolapse: Can be related to cystic fibrosis but is not as specific as other symptoms.

d) Steatorrhea stools: Frequent fatty stools are symptoms of the disease but not specific to cystic fibrosis.

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The nurse has admitted a child with tricuspid atresia. The nurse would expect which initial lab result?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which of the following conditions is most likely to lead to prenatal renal failure?

Correct Answer is A

Explanation

A newborn is suspected of having cystic fibrosis. As the child is being prepared for transfer to the pediatric hospital, the mother asks the nurse which symptoms made the practitioner suspect cystic fibrosis. Which response by the nurse is most appropriate?

Correct Answer is B

Explanation

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