A nurse is teaching an adolescent how to use a peak expiratory flow meter (PEFM). The nurse should identify that which of the following statements by the child indicates an understanding of the teaching?

"I will breathe in through the mouthpiece, hold my breath for 5 seconds, and then exhale."

"If I get a reading in the green zone, I will tell my parents right away so they can call the doctor."

"I will slowly exhale through the mouthpiece over a 10-second interval."

"I will record the highest reading of the three attempts."

Answer and Explanation

The Correct Answer is D

A. "I will breathe in through the mouthpiece, hold my breath for 5 seconds, and then exhale.": Incorrect because the child should exhale forcefully and quickly into the device, not inhale or hold their breath.
B. "If I get a reading in the green zone, I will tell my parents right away so they can call the doctor.": Incorrect because a green zone reading indicates controlled asthma, and no immediate action is required.
C. "I will slowly exhale through the mouthpiece over a 10-second interval.": Incorrect because the exhalation should be rapid and forceful to measure peak flow effectively.
D. "I will record the highest reading of the three attempts." Recording the highest reading ensures accurate monitoring of airway status and helps the child track their progress over time.

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Correct Answer is B

Explanation

A. "Administer the medication on an empty stomach." Phenytoin can be taken with or without food. Administering with food can reduce stomach upset.
B. "Encourage the child to brush their teeth after each meal." Phenytoin increases the risk of gingival hyperplasia, so regular brushing helps maintain oral hygiene and prevents complications.
C. "Crush the child's medication to mix with applesauce." Extended-release capsules should not be crushed as this alters their intended release mechanism.
D. "Observe the child for diarrhea." Diarrhea is not a common side effect of phenytoin. Monitoring should focus on side effects like gingival overgrowth, nystagmus, or skin rashes.

A. The infant exhibits a fear of strangers. B. The infant understands the word "no". C. The infant has an absent grasp reflex. D. The infant rolls from their back to their abdomen.

Correct Answer is C

Explanation

A. "The infant exhibits a fear of strangers." Stranger anxiety typically develops around 6 to 9 months of age.
B. "The infant understands the word 'no'." Understanding simple words like "no" begins closer to 9 months to 1 year of age.
C. "The infant has an absent grasp reflex." The grasp reflex begins to disappear by 3 months of age, with voluntary grasping developing by 4 to 5 months.
D. "The infant rolls from their back to their abdomen." Rolling from back to abdomen usually occurs around 5 to 6 months.

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A nurse is teaching an adolescent how to use a peak expiratory flow meter (PEFM). The nurse should identify that which of the following statements by the child indicates an understanding of the teaching?

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Naxlex Comprehensive Predictor Exams

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