Mood Disorder
Anxiety Disorder
Trauma Related Disorder
Differential Diagnosis
100

This disorder requires at least 2 weeks of depressed mood or loss of interest.

Major Depressive Disorder

100

This disorder is characterized by excessive, difficult-to-control worry occurring more days than not for at least 6 months about a number of events or activities. 

Generalized Anxiety Disorder

100

Name (or describe) the 4 clusters of PTSD symptoms 

Intrusion, Avoidance, Negative Alterations in Mood and Cognitions, Alterations in Arousal and Reactivity

100

Briefly explain when it is more appropriate to diagnose Major Depressive Disorder with anxious distress rather than a comorbid diagnosis of Major Depressive Disorder and Generalized Anxiety Disorder

Up to TAs discretion

200

How long must symptoms persist for Persistent Depressive Disorder?

2 years (1 year for children and adolescents)

200

A client fears scrutiny during social interactions because they worry they will be negatively evaluated. Symptoms have persisted for over a year and are not attributable to the physiological effects of a substance or another medical condition. What is the likely diagnosis?

Social Anxiety Disorder

200

Symptoms lasting between 3 days and 1 month following trauma are most consistent with what diagnosis.

Acute Stressor Disorder

200

True or false: A client who meets criteria for Post-Traumatic Stress Disorder cannot also receive a diagnosis of Major Depressive Disorder because depressive symptoms are part of PTSD.

False: PTSD and MDD can co-occur if both criterias are met
300

Main differences between a manic episode vs a hypomanic episode

Duration (1 week vs 4 days) and functional impairment (manic causes marked impairment)

Bonus: manic may require hospitalization or have psychotic features 

300

After a panic attack, what must be present for 1 month or more in order to diagnose Panic Disorder?

one or both of the following:

-Persistent concern or worry about additional panic attacks or their consequences 

-A significant maladaptive change in behavior related to the attacks




300

Two 7-year-old children have histories of severe neglect.

  • Child A rarely seeks comfort from caregivers when upset and appears emotionally withdrawn.
  • Child B frequently approaches strangers, hugs unfamiliar adults, and shows little hesitation leaving with people they do not know.

Which diagnosis is most likely for each child?

Child A: Reactive Attachment Disorder

Child B: Disinhibited Social Engagement Disorder

300

A client experienced a workplace firing 4 months ago and now reports insomnia, anxiety, difficulty concentrating, persistent negative self-thoughts , and feeling overwhelmed after the incident. They deny avoidance, hypervigilance, or exposure to actual or threatened death, serious injury, or sexual violence.

What diagnosis should be considered before PTSD?

Adjustment Disorder

400

A 29-year-old client presents with recurrent depressive episodes. During assessment, she reports several periods lasting 4–5 days in which she needed only 3 hours of sleep, felt unusually confident, was more productive than usual, and received comments from friends that she seemed "different." She was never hospitalized and did not experience psychosis. What is the most likely diagnosis?

Bipolar II Disorder

400

True or false: an agoraphobia diagnosis is appropriate for the following

a client has marked fear and anxiety about using public transportation. The client fears or avoids these situations because of thoughts that escape might be difficult. If they must go on public transportation, they have to bring a friend. The fear and anxiety causes clinically significant distress.

False; agoraphobia requires marked fear or anxiety about TWO or more of the following situations:

  1. Using public transportation
  2. Being in open spaces
  3. Being in enclosed spaces
  4. Standing in line or being in a crowd
  5. Being outside the home alone


400

A client reported experiencing an assault 2 weeks ago. They disclosed having intrusive memories, nightmares, avoidance of reminders, hypervigilance, and difficulty concentrating.

Question: What key piece of information is needed before determining whether the diagnosis is PTSD or Acute Stress Disorder?

duration of symptoms

  • 3 days to 1 month → Acute Stress Disorder
  • More than 1 month → Post-Traumatic Stress Disorder


400

A client reported increased anxiety and spends several hours each day worrying about contamination and repeatedly washes their hands.

What additional information would help determine whether this is GAD or OCD?

Exploring whether the thoughts are experienced as intrusive, unwanted obsessions and whether the washing functions as a compulsion.

500

Before diagnosing Major Depressive Disorder, DSM-5-TR requires that symptoms are not better explained by this category of disorders

Schizoaffective Disorder

"At least one major depressive episode is not better explained by schizoaffective disorder and is not superimposed on schizophrenia, schizophreniform disorder, delusional disorder, or other specified or unspecified schizophrenia spectrum and other psychotic disorders"

500

What additional information must you gather before determining whether the client meets DSM-5-TR criteria for GAD?

A 43-year-old client reports feeling "stressed all the time." They worry about work performance, finances, their parents' health, and whether friends are upset with them. They report difficulty concentrating and occasional sleep disturbance. During intake, the client states, "My mind never shuts off."

any of the following:

  • Whether the excessive worry has been present more days than not for at least 6 months
  • Whether the client finds it difficult to control the worry
  • Whether the worry is associated with at least 3 of the 6 required symptoms. Noted concentration difficulties and sleep disturbance and need 1 more to meet criteria (restlessness, fatigue, irritability, muscle tension)
  • Whether the symptoms cause clinically significant distress or impairment
  • Whether symptoms are better explained by another mental disorder (e.g., OCD, PTSD, Social Anxiety Disorder, Panic Disorder)
  • Whether symptoms are attributable to a substance or medical condition
500

A firefighter witnessed multiple fatalities during a building collapse. They experienced mild distress initially but developed significant intrusion, avoidance, negative mood, and arousal symptoms 8 months later.

What PTSD specifier should be considered?


PTSD with delayed expression

500

How would you differentiate adjustment disorder with anxiety from generalized anxiety disorder?

For adjustment disorder:

-emotional/behavioral response is clearly linked to the identifiable stressor rather than generalized anxietyed across multiple domains

-symptoms do not meet full criteria for another mental disorder

-symptoms resolve within 6 months after the stressor ends

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