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Author Question: The gray matter of the brain and the gray matter of the spinal cord contain myelin. Indicate ... (Read 188 times)

joe

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on: Jun 27, 2018
The gray matter of the brain and the gray matter of the spinal cord contain myelin.
 
  Indicate whether the statement is true or false

Question 2

X-rays are used during all of the following tests EXCEPT ________.
 
  A) arteriography
  B) magnetic resonance imaging
  C) roentgenography
  D) fluoroscopy


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CharlieArnold

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

FALSE
Explanation: White matter, not gray matter, contains myelin. Myelin is a white, insulating coating around the axons of larger neurons.

Answer to Question 2

B
Explanation: A) X-rays are used during arteriography.
B) Correct Magnetic resonance imaging uses a magnetic field, not x-rays.
C) X-rays are used during roentgenography.
D) X-rays are used during fluoroscopy.


joe

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Reply 2 on: Jun 27, 2018
Excellent

peter

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Reply 3 on: Yesterday
Wow, this really help

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