Correct Answer: D

Rationale: The correct answer is D because nursing care for children should encompass a holistic approach that considers not only physical health but also emotional, social, and developmental aspects. Providing a holistic environment promotes optimal growth and development by addressing all these dimensions. Choices A, B, and C are incorrect because while sanitation, curing illnesses, and addressing communicable diseases are important aspects of child healthcare, they do not encompass the comprehensive care provided by a holistic approach.

Correct Answer: C

Rationale: Aspirating urine from cotton balls inside the diaper is a minimally invasive method and effective for collecting small amounts of urine. Using a collection bag can be more cumbersome, and other methods are not as effective for this age.

Correct Answer: C

Rationale: Fever and general malaise are systemic signs of bacteremia, indicating that the infection may have spread beyond the local entry site. Localized pain, redness, and swelling are signs of a localized infection but do not necessarily indicate bacteremia.

Correct Answer: C

Rationale: Withdrawing and discarding a sample equal to the amount of fluid in the device ensures that the blood drawn is not diluted by the IV fluids, providing accurate lab results.

Correct Answer: D

Rationale: The correct answer is D, Ritualism. Establishing routines like brushing teeth every night after dinner helps toddlers feel secure and in control. Choice A, Negativism, refers to a child's oppositional behavior. Choice B, Diversionary activity, involves redirecting attention to something else. Choice C, Critical play, does not relate to the scenario of establishing a routine for the toddler.