Correct Answer: B

Rationale: The DTaP vaccine, which includes pertussis, is typically started at 2 months of age as part of the recommended immunization schedule.

Correct Answer: D

Rationale: Bowleggedness is normal in toddlers due to the development of lower back and leg muscles. It usually resolves as the child grows.

Correct Answer: D

Rationale: The most indicative behavior of ADHD is the inability to sit still and constant movement, known as hyperactivity. This behavior is a hallmark symptom of ADHD, making option D the correct choice. Options A, B, and C do not specifically reflect the characteristic hyperactivity associated with ADHD, making them less indicative of the disorder. While option B suggests impulsivity, it is not as specific to ADHD as the hyperactivity described in option D.

Correct Answer: D

Rationale: Play is an effective way to establish rapport with children as it helps build trust, communication, and a positive relationship. Choices A, B, and C are true statements about the value of play: A) Play helps preschoolers develop moral values by promoting social skills, cooperation, and empathy. B) Play aids in developing muscle coordination, utilizing energy, and fostering self-confidence through physical activities. C) 'Play is the work of children' emphasizes the importance of play in a child's development, learning, and creativity. Therefore, D is the correct answer as it incorrectly suggests that play is not an effective way for the nurse to establish rapport with the child.

Correct Answer: C

Rationale: The correct answer is C: The insertion of tympanostomy (pressure equalizing) tubes. This treatment measure is appropriate for a child with recurrent otitis media as it helps drain fluid from the middle ear and prevent further infections. Adenoidectomy (choice B) involves the removal of the adenoids, which may not directly address the ear infections. Antibiotic treatment (choice A) has already been ineffective in this case, so alternative measures are necessary. Tonsillectomy (choice D) is not typically indicated for otitis media unless there are specific reasons such as enlarged tonsils contributing to the condition.