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Author Question: The nurse is describing the maturation of various organ systems during toddlerhood. Which would the ... (Read 47 times)

fox

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on: Jun 27, 2018
The nurse is describing the maturation of various organ systems during toddlerhood. Which would the nurse include in this description?
 
  A) Myelinization of the brain and spinal cord is complete at about 24 months.
  B) Alveoli reach adult numbers by 3 years of age.
  C) Urine output in a toddler typically averages approximately 30 mL/hour.
  D) Toddlers typically have strong abdominal muscles by the age of 2.

Question 2

The nurse is developing a presentation for a young adult community group about fetal development and pregnancy. The nurse would identify that the sex of offspring is determined at the time of:
 
  A) Meiosis
  B) Fertilization
  C) Formation of morula
  D) Oogenesis


AmberC1996

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Reply #1 on: Jun 27, 2018
Answer to Question 1

A
Response:
Myelinization of the brain and spinal cord continues to progress and is complete around 24 months of age. Alveoli reach adult numbers usually around the age of 7 . Urine output in a toddler typically averages 1 mL/kg/hour. Abdominal musculature in a toddler is weak, resulting in a pot-bellied appearance.

Answer to Question 2

B
Response:
Sex determination occurs at fertilization. Meiosis refers to cell division resulting in the formation of an ovum or sperm with half the number of chromosomes. The morula develops after a series of four cleavages following the formation of the zygote. Oogenesis refers to the development of a mature ovum, which has half the number of chromosomes.


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