Nursing Care of Children ATI

Correct Answer: D

Rationale: At 6 months, infants typically begin to combine syllables like "dada" or "mama," but they do not yet understand the meaning of these words.

Correct Answer: C

Rationale: Fear of strangers typically begins around 6 months as infants start recognizing familiar and unfamiliar faces, which is part of their social development.

Correct Answer: B

Rationale: The 'difficult' child is the best way to describe the child in this scenario. This temperament is characterized by high activity levels, irritability, irregular habits, and difficulty adapting to changes. Choice A, the 'easy' child, is known for being generally positive and adaptable. Choice C, the 'slow-to-warm-up' child, typically needs time to adapt to new situations but is not necessarily highly active or irritable. Choice D, the 'fast-to-warm-up' child, adapts quickly to new situations, which contrasts with the child's slow adaptation mentioned in the scenario.

Correct Answer: B

Rationale: The correct answer is B. The esophageal pH probe is used to identify the frequency and severity of reflux episodes by measuring the pH in the esophagus. Choice A is incorrect because the probe does not assist in the passage of formula through the esophagus. Choice C is incorrect as determining the time it takes for the stomach to empty its contents would require a different procedure. Choice D is incorrect as the esophageal pH probe monitors the pH in the esophagus, not the stomach.

Correct Answer: D

Rationale: The second dose of the hepatitis A vaccine is recommended 6 months after the first dose to ensure full immunity.