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) The younger child’s airways are smaller and more easily occluded: Children, especially infants, have smaller airways, making them more susceptible to blockage during infections.

b) You are incorrect in your assessment: This response dismisses the mother's concern without providing information.

c) Air passages are more likely to become blocked with mucus due to increased mucus production in young children: While increased mucus production can be a factor, the size of airways is a more critical consideration.

d) Infants are not able to breathe deeply: Not an accurate statement; infants have a different breathing pattern but can breathe adequately.

A. The eustachian tube is longer, wider, and more vertical in younger children B. The eustachian tube is longer, narrower, and more vertical in younger children C. The eustachian tube is shorter, wider, and more horizontal in younger children D. The eustachian tube is shorter, narrower, and more horizontal in younger children

Correct Answer is C

Explanation

a) The eustachian tube is longer, wider, and more vertical in younger children: Inaccurate; a more vertical tube might be less prone to drainage issues.

b) The eustachian tube is longer, narrower, and more vertical in younger children: The opposite configuration of the pediatric eustachian tube.

c) The eustachian tube is shorter, wider, and more horizontal in younger children: The anatomy of the pediatric eustachian tube predisposes children to ear infections due to poor drainage and ventilation.

d) The eustachian tube is shorter, narrower, and more horizontal in younger children: Inaccurate; this configuration is less prone to issues related to otitis media.

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

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Naxlex Comprehensive Predictor Exams

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