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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Administering an antidiuretic would be counterproductive in the treatment of a UTI as it would decrease urine output, potentially allowing bacteria to remain in the urinary tract.
Choice B reason: Encouraging frequent voiding helps to flush out bacteria from the urinary tract, which is beneficial in the management of a UTI.
Choice C reason: While evaluating a child's self-esteem is important, it is not directly related to the care of a child with a UTI.
Choice D reason: Restricting fluids is not advisable for a UTI as it would reduce urine flow and hinder the flushing out of bacteria.
Correct Answer is C
Explanation
Choice A reason: Collecting a stool specimen for culture is not the preferred method for diagnosing Enterobius vermicularis, as the pinworm eggs are rarely present in the stool.
Choice B reason: Initiating IV fluids is not a diagnostic measure for Enterobius vermicularis and is not relevant unless the child is dehydrated or requires fluids for another reason.
Choice C reason: The tape test is the standard diagnostic procedure for Enterobius vermicularis. It involves placing clear tape around the anus to collect any eggs that may be present, which are then examined under a microscope.
Choice D reason: Testing the stool for occult blood is not a diagnostic measure for Enterobius vermicularis, as this infection does not typically cause bleeding.
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