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Author Question: During childhood, the thymus decreases in size, and this is referred to as what type of atrophy? ... (Read 113 times)

wenmo

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on: Jun 25, 2018
During childhood, the thymus decreases in size, and this is referred to as what type of atrophy?
 
  a. Physiologic
  b. Pathologic
  c. Disuse
  d. Neurogenic

Question 2

Mutations in the encoding of histone-modifying proteins have been shown to influence the de-velopment of what congenial condition?
 
  a. Cleft palate
  b. Acephalous
  c. Heart disease
  d. Webbed digits


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gcook

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

ANS: A
A normal decrease in cell size is physiologic atrophy. Atrophy can result from disease (patholog-ic), disuse, or nerve injury (neurogenic).

Answer to Question 2

ANS: C
Mutations in genes that encode histone-modifying proteins have been implicated in congenital heart disease. Research has yet to provide a relationship between abnormal histone-modifying proteins and cleft palate, acephalous, and webbed digits.


wenmo

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Reply 2 on: Jun 25, 2018
Excellent

kthug

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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