Psychopharmacology NCLEX

A (Computed tomography (CT) scan) (A CT scan shows the presence or absence of structural changes, including cortical atrophy, ventricular enlargement, and areas of infarction—information that will be helpful to the health care provider. The other tests focus on brain activity and are more expensive; they may be ordered later.) - A patient has dementia. The health care provider wants to make a differential diagnosis between Alzheimer disease and multiple infarctions. Which diagnostic procedure should a nurse expect to prepare the patient for first? a. Computed tomography (CT) scan b. Positron emission tomography (PET) scan c. Functional magnetic resonance imaging (fMRI) d. Single-photon-emission computed tomography (SPECT) scan A (destroy increased amounts of neurotransmitters.)