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Author Question: Which of the following is an aspect of the bone growth and development that occurs during the first ... (Read 71 times)

P68T

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on: Jun 25, 2018
Which of the following is an aspect of the bone growth and development that occurs during the first two decades of life?
 
  A)
  Most bone abnormalities can be traced to anomalies in the embryonic stage of development.
  B)
  The physiological effects of in utero positioning normally remain into late adolescence.
  C)
  Cartilage cells at the metaphyseal end of the bone plate are replaced by bone cells.
  D)
  Bone length increases through childhood, while bone diameter remains static.

Question 2

An 18-year-old female of Southeast Asian ancestry is distraught over the recent appearance of white patches on her forearms and upper arms, which have been subsequently confirmed as vitiligo.
 
  Which of the following statements by the woman express an accurate understanding of her condition?
  A)
  I suppose it's some comfort that my patches are small and will always stay out of sight in the future.
  B)
  I'm thankful that there are medications to cure this, but I'm nervous about the side effects.
  C)
  I suppose this shouldn't come as too much of surprise, since this tends to run in my family.
  D)
  I'm surprised that I ended up contacting that fungus that caused this problem for me.


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softEldritch

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Reply #1 on: Jun 25, 2018
Answer to Question 1

Ans:
C

Feedback:

During development, the mature and enlarged cartilage cells at the metaphyseal end of the plate become metabolically inactive and are replaced by bone cells. This process allows bone growth to proceed without changing the shape of the bone or causing disruption of the articular cartilage. Abnormalities linked to the embryonic stage of development are uncommon, and the physiological effects of in utero positioning resolve by 3 to 4 years. Both length and diameter of bones increase during development.

Answer to Question 2

Ans:
C

Feedback:

The incidence of vitiligo is thought to have a genetic component. Vitiligo worsens with time, and treatments are not curative. The etiology is not infectious and does not involve fungus.


P68T

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Reply 2 on: Jun 25, 2018
Thanks for the timely response, appreciate it

tandmlomax84

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Reply 3 on: Yesterday
Excellent

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