A nurse is caring for a child who has a urinary tract infection. Which of the following findings should the nurse expect?

The correct answer is choice C. 6.8 to 7.7 kg (15 to 17 lb).

Choice A rationale:

This weight range is above the average for a 6-month-old infant. According to growth charts, the 50th percentile weight for a 6-month-old male is approximately 7.9 kg (17 lb 8 oz), and for a female, it’s about 7.3 kg (16 lb 1 oz). Therefore, 8.6 to 9.5 kg would be considered above average and not the anticipated weight for most infants.

Choice B rationale:

This weight range is below the average for a 6-month-old infant. The average weight at 6 months is significantly higher than 4.1 to 5 kg, as infants are expected to double their birth weight by 5 months of age. Therefore, an infant weighing between 9 to 11 lb at 6 months would be considered underweight.

Choice C rationale:

This weight range is within the average for a 6-month-old infant. As mentioned, the 50th percentile weights for 6-month-old infants are approximately 7.9 kg for males and 7.3 kg for females. This choice falls within the expected weight gain trajectory where an infant is anticipated to double their birth weight by 5 months and then gain an additional pound or so by 6 months.

Choice D rationale:

This weight range is significantly above the average for a 6-month-old infant. It is well above the 95th percentile for this age group and would be considered unusual without underlying health conditions that could contribute to such a weight at this age. An infant weighing between 23 to 25 lb at 6 months would be exceptionally rare and likely indicative of an abnormal growth pattern.

Choice A rationale:
Acute otitis media is not a risk factor for physical maltreatment. It's an ear infection and does not directly contribute to the risk of physical abuse. The child's medical history should be assessed for factors that are more closely related to abuse.
Choice B rationale:
Myopia, or nearsightedness, is also not a risk factor for physical maltreatment. Myopia is a visual impairment and is not related to the risk of abuse. The nurse should focus on identifying factors that might indicate an increased likelihood of abuse.
Choice C rationale:
Prematurity can be a risk factor for various health issues in a child, but it is not directly linked to physical maltreatment. While preterm infants might have unique medical needs, being born prematurely does not inherently increase the risk of physical abuse.
Choice D rationale:
Correct Answer. Being adopted can be considered a potential risk factor for physical maltreatment. Children who are adopted might face certain challenges related to attachment, identity, and adjustment. It's important for healthcare providers to be vigilant and assess the child's situation comprehensively to ensure their safety and well-being.