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.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: The FACES scale is not typically used for infants as they cannot verbally express or select a face that correlates with their pain level.
Choice B reason: The Oucher scale requires a child to point to a face that shows how much pain they are feeling, which is not suitable for infants who cannot communicate their pain verbally.
Choice C reason: The FLACC scale is appropriate for infants as it assesses pain based on five categories of behavior: Facial expression, Leg movement, Activity, Cry, and Consolability.
Choice D reason: The Non-communicating children's pain checklist is designed for children with cognitive impairments and is not the best choice for assessing pain in infants.
Correct Answer is D
Explanation
Choice A reason: Zanamivir is indeed recommended for children 1 year and older, but it is not the only antiviral medication for influenza. It is an inhaled medication and may not be suitable for all children.
Choice B reason: Amantadine is an antiviral medication; however, it is not commonly used for influenza prevention due to resistance. It is also not recommended for children under 1 year of age.
Choice C reason: Rimantadine is similar to amantadine and is administered orally, not intramuscularly. Like amantadine, resistance has limited its use for influenza treatment and prevention.
Choice D reason: Oseltamivir is an oral antiviral medication that can treat influenza if given within 48 hours of symptom onset. It can reduce the duration of symptoms and is suitable for children and adults.
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