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Author Question: Lymphoid tissues such as lymph nodes are: a. Adult size by age 1 year. b. Adult size by age 13 ... (Read 93 times)

torybrooks

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on: Jun 28, 2018
Lymphoid tissues such as lymph nodes are:
 
  a. Adult size by age 1 year.
  b. Adult size by age 13 years.
  c. Half their adult size by age 5 years.
  d. Twice their adult size by age 10 to 12 years.

Question 2

Which term refers to those times in an individual's life when he or she is more susceptible to positive or negative influences?
 
  a. Sensitive period c. Terminal points
  b. Sequential period d. Differentiation points


31809pancho

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Reply #1 on: Jun 28, 2018
Answer to Question 1

ANS: D
Lymph nodes increase rapidly and reach adult size at approximately age 6 years. They continue growing until they reach maximal development at age 10 to 12 years, which is twice their adult size. A rapid decline in size occurs until they reach adult size by the end of adolescence.

Answer to Question 2

ANS: A
Sensitive periods are limited times during the process of growth when the organism will interact with a particular environment in a specific manner. These times make the organism more susceptible to positive or negative influences. The sequential period, terminal points, and differentiation points are developmental times that do not make the organism more susceptible to environmental interaction.


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torybrooks

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Reply #2 on: Jun 28, 2018
Correct answers!


31809pancho

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Reply #3 on: Jun 28, 2018
Great! Please up vote :D


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