A veteran with a suspected TBI is scheduled for diffusion tensor ...

[ENagel]

A veteran with a suspected TBI is scheduled for diffusion tensor imaging (DTI). What information should the nurse provide?
 
  a. This test will help show whether tracts in your central nervous system are damaged.
  b. This test will measure changes in chemicals that transmit messages between your brain and spinal cord.
  c. This test will help predict what types of medication will be effective for treating your symptoms.
  d. This test will help your health care provider decide whether or not a computed tomography (CT) scan is needed to further diagnose your injuries.

Question 2

An older adult patient has fluctuating levels of awareness, anxiety, and appears to be picking things out of the air. The patient says, I saw my granddaughter standing at the foot of the bed last night. The nurse should suspect
 
  a. delirium.
  b. dementia.
  c. schizophrenia.
  d. bipolar disorder.

[joechoochoy]

Answer to Question 1

A
DTI is a form of magnetic resonance imaging that produces detailed microscopic images of neural tracts and related injuries. It provides better imaging of subtle injuries than CT scans. It does not measure neurotransmitters.

Answer to Question 2

A
The symptoms presented are consistent with the symptoms of delirium. Fluctuating levels of consciousness are not characteristic of dementia, schizophrenia, or bipolar disorder.