Mixed Psych

Question 1

What are criteria clusters A, B, C, and D for the diagnosis of PTSD?

Answer 1

A. experience of a Traumatic Event

B. persistent Re-Experiencing (e.g. flashbacks, dreams)

C. persistent Avoidance and Emotional Numbing (e.g. avoidance of things assoc’ed w/ trauma, inability to recall certain parts of event, expectation of constrained life)

D. Hypervigilance (insomnia, irritabilty, easily startled)

Question 2

What are the main similarities and main differences between tricyclic antidepressants (TCAs) and serotonin-noradrenaline reuptake inhibitors (SNRIs)?

Answer 2

Both types of drug treat depression primarily by inhibiting reuptake of serotonin and noradrenaline. However, TCAs also act upon histaminic, muscarinic, and alpha-1 receptors, resulting in undesired side effects.

Question 3

Name some structural changes to the brain in schizophrenia.

Answer 3

• enlarged ventricles
• smaller hippocampus, amygdala, and parahippocampus
• disordered hippocampal pyramidal cells

Question 4

Schizophrenia prevalence in:

• gen pop
• children of pt
• monozygotic twins

Answer 4

• gen. pop. 1%
• children of 1 pt 12%
• monozygotic twins 48%