A nurse in the emergency department is assessing a newly-admitted infant. Which of the following findings is an early indication of hypoxemia?

Hypoventilation

Tachypnea

Nonproductive cough

Nasal stuffiness

Answer and Explanation

The Correct Answer is B

Choice A reason: Hypoventilation is a late sign of hypoxemia and is characterized by an abnormally slow breathing rate, reducing oxygen intake and increasing carbon dioxide in the blood.

Choice B reason: Tachypnea, or rapid breathing, is an early sign of hypoxemia as the body attempts to increase oxygen levels by breathing more quickly.

Choice C reason: A nonproductive cough is not directly related to hypoxemia, which is a deficiency in the amount of oxygen reaching the tissues.

Choice D reason: Nasal stuffiness is not a specific indicator of hypoxemia and can be associated with various conditions.

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Correct Answer is A

Explanation

Choice A reason: A sweat chloride content of 85 mEq/L is indicative of cystic fibrosis, as normal values are below 30 mEq/L, and values above 60 mEq/L are diagnostic for cystic fibrosis.

Choice B reason: Hard, packed stools could be a sign of cystic fibrosis but are not as diagnostic as a sweat chloride test.

Choice C reason: Increased blood levels of fat-soluble vitamins are not typically associated with cystic fibrosis; patients often have deficiencies due to malabsorption.

Choice D reason: A chest x-ray negative for atelectasis does not indicate cystic fibrosis, as atelectasis can be present in many conditions.

A. Place the child in the Fowler's position. B. Ensure proper placement of the sensor probe. C. Increase the oxygen flow rate. D. Encourage the child to take deep breaths.

Correct Answer is B

Explanation

Choice A reason: While the Fowler's position can aid in breathing, it is not the first action to take if the oxygen saturation monitor is reading low.

Choice B reason: Ensuring the proper placement of the sensor probe is the first step, as incorrect placement can lead to inaccurate readings.

Choice C reason: Increasing the oxygen flow rate should only be considered after confirming the accuracy of the oxygen saturation reading.

Choice D reason: Encouraging deep breaths may be helpful, but it is not the first action to take. The priority is to ensure the oxygen saturation reading is accurate.

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A nurse in the emergency department is assessing a newly-admitted infant. Which of the following findings is an early indication of hypoxemia?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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