A nurse is reviewing the provider's plan of care for an 8-year-old child whose height has dropped from the 25th percentile to the 5th percentile over the past year. The parents ask what test can help determine whether their child's bone growth is delayed. Which diagnostic test should the nurse anticipate?
Routine abdominal ultrasound
Complete blood count (CBC)
Hand-wrist X-ray
Anthropometric hand-wrist measurement
The Correct Answer is C
A. A routine abdominal ultrasound is not used to assess bone age or growth delays. While abdominal ultrasounds can detect organ abnormalities, they provide no information about skeletal maturation.
B. A complete blood count (CBC) evaluates blood cell levels and can detect anemia or infection, but it does not provide information about bone growth or skeletal development.
C. A hand-wrist X-ray is the standard diagnostic test to assess bone age and skeletal maturation. By comparing the X-ray of the child’s hand and wrist bones to standardized age-related charts (such as the Greulich and Pyle atlas), providers can determine if the child’s skeletal growth is appropriate for chronological age. This helps identify growth delays, endocrine disorders, or other conditions affecting stature.
D. Anthropometric hand-wrist measurement refers to physical measurements of the hand and wrist, which do not provide sufficient information to determine bone age or detect growth delays. X-ray imaging is required for accurate assessment of skeletal maturity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Developmental milestones follow predictable sequences, but the exact age at which each child reaches them can vary. Expecting all babies to reach milestones at the same age is unrealistic and does not reflect normal variation in growth and development.
B. While gross motor skills like walking often develop alongside fine motor skills, fine motor development does not occur automatically. It requires practice, coordination, and maturation of muscles and nervous system pathways.
C. Genetics play a significant role in growth, influencing height, weight, body proportions, and sometimes developmental timing. Denying the influence of genetics misrepresents a key factor in growth and development.
D. This statement reflects an accurate understanding of developmental principles. Growth and developmental milestones occur in a predictable sequence (cephalocaudal, proximodistal, and simple-to-complex patterns), but the timing can vary for each child. This acknowledges normal individual differences while recognizing typical developmental patterns.
Correct Answer is C
Explanation
A. Alveolar collapse (atelectasis) due to surfactant deficiency is typically seen in neonatal respiratory distress syndrome, not asthma. Asthma primarily affects the airways, not alveolar surfactant production.
B. In asthma, bronchial smooth muscle constriction occurs, not relaxation. Surfactant production is not a central factor in asthma pathophysiology.
C. These features lead to edema and hyperresponsiveness, contraction of smooth muscle around the bronchi and bronchioles, and mucus accumulation, all contributing to the child’s symptoms.
D. While upper respiratory infections can trigger asthma exacerbations, sinus obstruction itself is not the primary pathophysiologic process in asthma. The key changes occur in the lower airways.
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