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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Naxlex Comprehensive Predictor Exams
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 B
Explanation
A. Menarche
Menarche refers to the onset of menstruation, typically occurring around 12 to 13 years of age, although it can vary widely.
B. Thelarche
Thelarche is the development of breast buds, which usually occurs around 8 to 13 years of age in girls, marking the beginning of breast development and the first sign of puberty.
C. Tanner stage 5
Tanner stage 5 refers to the final stage of sexual maturity in the Tanner Scale, characterized by adult breast development and pubic hair distribution. It is not typically used to describe the initial appearance of breast buds.
D. Puberty
Puberty is the period of development during which sexual maturity is attained, including physical changes such as growth spurts, development of secondary sexual characteristics, and
reproductive capacity. Thelarche is an early sign of puberty, but it does not encompass the entire puberty process.
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