ATI Nursing Care of Children

Correct Answer: D

Rationale: Upper arm circumference correlates best with total muscle mass because it includes both muscle and fat components, making it a reliable indicator of muscle mass.

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: B

Rationale: When a parent expresses concern about a child's development, it is essential to conduct a comprehensive assessment of all areas of development before jumping to conclusions. Choosing option B allows the nurse to evaluate the child for other age-appropriate developmental milestones to determine if there are any delays or concerns. Admitting the child to the hospital (option A) is not necessary at this point and may cause unnecessary stress. Suggesting hearing impairment (option C) without proper evaluation can lead to misdiagnosis. Explaining a significant developmental delay (option D) should only be done after a thorough assessment and diagnosis.

Correct Answer: D

Rationale: It is essential to use the correct cuff size for accurate blood pressure readings; if the proper size is not available, it's best to wait until it can be obtained.

Correct Answer: D

Rationale: Accidents, such as motor vehicle accidents, drowning, and falls, are the primary cause of death in children over 1 year of age. While congenital anomalies can be a significant cause of mortality in infants, they are less common in older children. Homicide and suicide are serious issues but are not as prevalent as accidents in causing death among children over 1 year of age.