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: A

Rationale: Human milk is preferred, even for preterm infants, because it contains essential nutrients and antibodies that are particularly beneficial for their growth and development. Choice B is incorrect because human milk is rich in essential nutrients necessary for preterm infants. Choice C is incorrect as commercial infant formulas do not provide the same benefits as human milk. Choice D is incorrect as specialized formulas are available to meet the unique nutritional needs of preterm infants, but human milk remains the optimal choice.

Correct Answer: C

Rationale: Ensuring the dose does not exceed 15 mg/kg is critical to avoid overdose and potential liver damage. Retaking the temperature immediately or using cold compresses is not necessary, and placing a warm blanket could exacerbate the fever.

Correct Answer: C

Rationale: The correct answer is C, Thelarche. Thelarche refers to the onset of breast development, which is typically the first sign of puberty in girls. This occurs before menarche (the first menstrual period). Choices A and B, acne and hair growth in the pubic area and underarms, are not the first signs of puberty in girls. While acne can be a common occurrence during puberty, it usually appears after other physical changes. Hair growth in the pubic area and underarms also occurs later in the puberty process.

Correct Answer: D

Rationale: The fluid requirement for a 14-kg child is approximately 100 mL/kg/day, so for a 14-kg child, the requirement is around 1400 mL/day.