The gray matter of the brain and the gray matter of the spinal ...

[joe]

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

[CharlieArnold]

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]

Excellent

[T4T]

TYSM