The nurse is describing the maturation of various organ systems during toddlerhood to the parents. What would the nurse correctly include in this description?
Myelination of the brain and spinal cord is complete at about 24 months.
Alveoli reach adult numbers by 3 years of age.
Urine output in a toddler typically averages approximately 30 mL/hour.
Toddlers typically have strong abdominal muscles by the age of 2.
The Correct Answer is A
A. Myelination of the brain and spinal cord is a continuous process that begins during fetal development and continues through childhood and adolescence. While significant myelination
occurs during infancy and toddlerhood, it is not complete by 24 months. However, substantial progress in myelination does occur during the toddler years, contributing to the development of motor and cognitive skills.
B. Alveoli reach adult numbers by 3 years of age. This statement is incorrect. Alveoli continue to develop and increase in number after birth, reaching adult numbers around adolescence, not by 3 years of age.
C. Urine output in a toddler typically averages approximately 30 mL/hour. This statement is incorrect. Toddlers typically have higher urine output rates than adults due to their smaller
bladder capacity and higher metabolic rate. The average urine output for a toddler is around 1-2 mL/kg/hour, which varies depending on factors such as hydration status and activity level.
D. Toddlers typically have strong abdominal muscles by the age of 2. This statement is incorrect. While toddlers may develop some abdominal muscle strength through activities such as walking and climbing, their muscle tone and strength are still developing and may not be as strong as in older children or adults.
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Related Questions
Correct Answer is C
Explanation
A. Genitourinary: This system pertains to the urinary tract and reproductive organs and is not directly related to increased appetite or thirst.
B. HematologiC. This system involves the blood and blood-forming organs such as the bone marrow, spleen, and lymph nodes. Increased appetite or thirst is not typically associated with hematologic issues.
C. EndocrinE. The endocrine system includes glands that secrete hormones, such as the pancreas, which regulates blood sugar levels. Increased appetite or thirst can be indicative of endocrine disorders like diabetes mellitus, where there may be abnormalities in insulin production or response.
D. NeurologiC. While the nervous system can indirectly influence appetite and thirst regulation, directly asking about increased appetite or thirst primarily pertains to the endocrine system's hormonal regulation
Correct Answer is C
Explanation
A. Telling about safety procedures during baths: While bath safety is important, it may not be the most relevant topic for a 9-month-old, who may already have established bathing routines. Additionally, the focus of anticipatory guidance at this age is often broader than just one specific activity.
B. Warning about small objects left on the floor: While important for safety, this advice may be more pertinent when the child is older and more mobile. At 9 months, infants are typically not yet crawling or exploring the environment as extensively.
C. Advising how to create a toddler-safe homE. At 9 months, infants are becoming more mobile and curious, so advising on how to create a safe environment is crucial to prevent accidents and injuries as the child begins to explore their surroundings.
D. Cautioning about putting the baby in a walker: Walkers are generally not recommended due to safety concerns, but this advice may be more relevant when the child is closer to reaching the appropriate age for walker use.
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