Correct Answer: C

Rationale: Most infants can sit steadily without support by 8 months, indicating advanced gross motor skill development.

Correct Answer: C

Rationale: The prodromal period is the interval between the early manifestations of the disease and the time when the overt clinical syndrome is evident. Most communicable diseases are contagious during this time. Identifying the prodromal stage is crucial for early intervention and preventing the spread of the disease. While the source and causative agent are important aspects of disease control, recognizing the early signs in the prodromal stage allows the nurse to take timely actions. Constitutional symptoms occur during the active disease phase, indicating that the child has already been contagious, and early intervention opportunities may have passed.

Correct Answer: C

Rationale: The correct answer is C: 'Abstract thinking.' According to Piaget's theory of cognitive development, adolescents, typically around the age of 12 and older, enter the formal operational stage where they can think abstractly and reason about hypothetical situations. When discussing complex topics like STIs with a 17-year-old student, it is essential to base the teaching plan on abstract thinking. Choice A, 'Sensorimotor reactions,' is incorrect as it pertains to the earliest stage in Piaget's theory (birth to 2 years old) focusing on sensory experiences and physical interactions. Choice B, 'Limited cause and effect understanding,' does not align with the cognitive abilities of a 17-year-old who is capable of more advanced thinking. Choice D, 'Concrete thinking,' is also incorrect as it refers to the stage before formal operations, where individuals think more concretely and struggle with abstract concepts.

Correct Answer: D

Rationale: The correct answer is D, 'Parallel.' Parallel play is a common play pattern observed in toddlers where they play alongside each other without direct interaction. This type of play allows toddlers to observe and mimic each other's actions, aiding in their social development. Choices A, B, and C are incorrect. Associative play involves some interaction between children, team play involves organized group activities, and solitary play is when a child plays alone, all of which are not typically exhibited by toddlers during play.

Correct Answer: C

Rationale: For school-aged children, pedestrian, motor vehicle, and bike safety are critical areas to focus on as accidents involving these are common in this age group. Education about fire safety and toxic substances is also important, but the priority is on preventing accidents in everyday activities. Therefore, choices A, B, and D are not the most relevant for addressing the goal of decreasing injuries and accidents in this age group.