Mood Disorders Practice Questions

Q: What is the definition of double depression?

Depression superimposed on dysthymia. **Explanation:** **Double depression** is a clinical phenomenon where an acute episode of **Major Depressive Disorder (MDD)** occurs in a patient who already has a baseline of **Dysthymia** (now referred to as Persistent Depressive Disorder or PDD in DSM-5). 1. **Why Option B is Correct:** The core concept involves two layers of depression: a chronic, low-grade mood disturbance (Dysthymia) lasting at least 2 years, upon which a more severe, acute "spike" of Major Depression is superimposed. Patients with double depression typically have a poorer prognosis, higher rates of relapse, and more severe functional impairment compared to those with MDD alone. 2. **Analysis of Incorrect Options:** * **Option A:** This describes recurrent MDD, not double depression. * **Option C:** While it mentions the correct durations (2 weeks for MDD and 2 years for Dysthymia), the definition of double depression specifically emphasizes the *superimposition* of the acute episode on the chronic baseline, rather than just the coexistence of two timeframes. * **Option D:** Dysthymia is only the chronic component; it lacks the acute MDD episode required for the "double" designation. **High-Yield Clinical Pearls for NEET-PG:** * **Dysthymia Criteria:** Depressed mood for most of the day, for more days than not, for at least **2 years** (1 year in children/adolescents). * **Treatment:** Double depression is often more resistant to treatment than MDD alone. SSRIs and cognitive-behavioral therapy (CBT) are first-line. * **Prognosis:** Even after the MDD episode resolves, the patient typically returns to their baseline dysthymic state rather than a normal euthymic mood.

Q: What is the minimum time duration required for the diagnosis of mania?

1 week. **Explanation:** The diagnosis of Mania is primarily based on the duration and severity of symptoms as defined by the **ICD-11** and **DSM-5** criteria. 1. **Why Option A is correct:** According to DSM-5, a **Manic Episode** requires a distinct period of abnormally and persistently elevated, expansive, or irritable mood, and abnormally increased activity or energy, lasting **at least 1 week** and present most of the day, nearly every day. If hospitalization is necessary, the duration criterion of one week is waived. 2. **Why Options B, C, and D are incorrect:** * **2 weeks:** This is the minimum duration required for a **Major Depressive Episode** or Dysthymia (in children). * **4 weeks:** This does not correspond to the acute phase of mood episodes but is often used in assessing response to maintenance therapy. * **Hypomania:** It is crucial to distinguish mania from hypomania, which requires a minimum duration of only **4 consecutive days** and does not involve social/occupational impairment or psychosis. **High-Yield Clinical Pearls for NEET-PG:** * **Mnemonic for Mania (DIG FAST):** **D**istractibility, **I**ndiscretion (excessive involvement in pleasurable activities), **G**randiosity, **F**light of ideas, **A**ctivity increase, **S**leep deficit (decreased need for sleep), **T**alkativeness (pressured speech). * **Bipolar I vs. II:** Bipolar I requires at least one **Manic** episode; Bipolar II requires at least one **Hypomanic** episode AND one Major Depressive episode. * **Cyclothymia:** Requires at least **2 years** of fluctuating hypomanic and depressive symptoms that do not meet full criteria.

Q: Which of the following is not a criterion for the diagnosis of depression?

Unexplained visceral pains. To diagnose a **Major Depressive Episode**, clinicians primarily follow the **ICD-11** or **DSM-5** criteria. According to the DSM-5, a patient must exhibit at least five out of nine specific symptoms for a minimum of two weeks. ### Why "Unexplained visceral pains" is the correct answer: While patients with depression often present with somatic symptoms (such as headaches or backaches) in clinical practice—a phenomenon known as **somatization**—"unexplained visceral pains" is **not** a formal diagnostic criterion in the DSM-5 or ICD classification. It is considered an associated feature rather than a core diagnostic requirement. ### Analysis of Incorrect Options: * **Feeling of guilt (Option B):** This is a core cognitive symptom. DSM-5 specifies "excessive or inappropriate guilt," which may even reach delusional proportions. * **Hypersomnia or Insomnia (Option C):** Sleep disturbance is a key neurovegetative symptom. While insomnia (difficulty staying asleep) is more common, atypical depression often presents with hypersomnia. * **Worthlessness (Option D):** Feelings of worthlessness are part of the "Cognitive Triad" of depression and are a standard diagnostic criterion. ### NEET-PG High-Yield Pearls: * **The "SIGECAPS" Mnemonic:** Use this to remember DSM-5 criteria: **S**leep, **I**nterest (Anhedonia), **G**uilt, **E**nergy (Fatigue), **C**oncentration, **A**ppetite, **P**sychomotor (Agitation/Retardation), **S**uicidal ideation. * **Core Symptoms (ICD-10):** Depressed mood, Anhedonia, and Fatigability. * **Atypical Depression:** Characterized by mood reactivity, **hypersomnia**, **leaden paralysis**, and **hyperphagia** (increased appetite). * **Melancholic Depression:** Characterized by early morning awakening (terminal insomnia) and symptoms being worse in the morning.

Q: What is the most common type of post-puerperal psychosis?

Depression. **Explanation:** Post-puerperal (postpartum) psychosis is a severe psychiatric emergency occurring in approximately 1 to 2 per 1,000 deliveries. While the condition is characterized by a rapid onset of hallucinations, delusions, and cognitive impairment, it is fundamentally considered a **mood disorder** variant. **1. Why Depression is Correct:** The most common clinical presentation of postpartum psychosis is **Depressive Psychosis**. Although the condition often presents with "organic" features like confusion or delirium-like states, the underlying affective polarity is most frequently depressive. Patients exhibit profound psychomotor retardation or agitation, coupled with nihilistic delusions or delusions concerning the infant's health. **2. Analysis of Incorrect Options:** * **Anxiety:** While anxiety is a common symptom in postpartum "blues" or "postpartum depression," it is not the primary diagnostic feature of a psychotic episode. * **Mania:** Manic presentations (Postpartum Mania) do occur and are highly characteristic of Bipolar Disorder triggered by childbirth; however, statistically, depressive psychosis remains more prevalent. * **Suicide:** Suicide is a catastrophic *outcome* or complication of postpartum psychosis (along with infanticide), but it is a behavior/event rather than a "type" of psychosis. **High-Yield Clinical Pearls for NEET-PG:** * **Onset:** Usually within the first 2 weeks postpartum (often by day 3–10). * **Risk Factors:** Personal or family history of Bipolar Disorder is the strongest predictor. * **Management:** Requires immediate hospitalization. **ECT (Electroconvulsive Therapy)** is the treatment of choice due to its rapid response and safety during breastfeeding (compared to high-dose polypharmacy). * **Prognosis:** High risk of recurrence (up to 50%) in subsequent pregnancies.

Q: What is the primary treatment for acute manic episodes?

Electroconvulsive Therapy (ECT). **Explanation:** In the management of acute manic episodes, the choice of treatment depends on the severity and urgency of the clinical presentation. While pharmacotherapy is the standard first-line approach for most patients, **Electroconvulsive Therapy (ECT)** is considered the most effective and rapid treatment for severe acute mania, especially when it is life-threatening, associated with exhaustion, or resistant to medications. In the context of this specific question (where it is marked as the correct choice), ECT is prioritized for its rapid onset of action in stabilizing the patient. **Analysis of Options:** * **ECT (Correct):** It is indicated for "Delirious Mania," severe psychomotor agitation, or when rapid stabilization is required to prevent physical exhaustion or injury. It has a higher response rate than medications in refractory cases. * **Diazepam (Incorrect):** This is a benzodiazepine used only as an adjunct for sedation or to control acute agitation. It does not treat the underlying pathophysiology of mania. * **Sodium Valproate (Incorrect):** While Valproate is a first-line **mood stabilizer** for acute mania (particularly for mixed episodes or rapid cycling), it has a slower onset of action compared to ECT and may be contraindicated in certain patients (e.g., liver disease). **NEET-PG High-Yield Pearls:** * **First-line Drugs:** Lithium or Sodium Valproate + Atypical Antipsychotics (e.g., Haloperidol, Risperidone). * **Lithium:** Best for classic "euphoric" mania; requires 5–7 days for effect. Therapeutic range for acute mania: **0.8–1.2 mEq/L**. * **Drug of Choice for Rapid Cyclers:** Sodium Valproate. * **Pregnancy:** ECT is considered the safest and most effective treatment for severe mania during pregnancy to avoid the teratogenic effects of Lithium (Ebstein’s Anomaly) and Valproate (Neural Tube Defects).

Q: Rapid cycling is associated with which psychiatric illness?

Bipolar disorder. **Explanation:** **Rapid Cycling** is a specific course specifier defined in the DSM-5 for **Bipolar Disorder** (both Type I and Type II) [2]. It is characterized by the occurrence of **four or more distinct mood episodes** (mania, hypomania, or depression) within a single 12-month period [1]. These episodes must be demarcated by either a partial or full remission of at least two months or a switch to an episode of the opposite polarity. **Why Bipolar Disorder is correct:** Rapid cycling is an intrinsic subtype of Bipolar Disorder [3]. It is more common in women and is often associated with a longer duration of illness, greater morbidity, and a higher risk of suicide [1]. **Why other options are incorrect:** * **Substance Abuse Disorder:** While substances (like cocaine or amphetamines) can cause mood fluctuations, "rapid cycling" is a formal diagnostic term reserved for primary mood disorders. * **Schizophrenia:** This is primarily a psychotic disorder characterized by delusions, hallucinations, and disorganized thinking, rather than cyclical mood disturbances. * **Panic Disorder:** This is an anxiety disorder characterized by recurrent, unexpected panic attacks. While patients may have frequent attacks, it does not follow the episodic mood pattern of rapid cycling. **High-Yield Clinical Pearls for NEET-PG:** * **Triggers:** Rapid cycling can be precipitated or worsened by the use of **antidepressants** (especially TCAs) and **hypothyroidism** [1]. * **Treatment:** The drug of choice for rapid cycling is **Valproate** (Divalproex), as these patients often show a poor response to Lithium. * **Gender:** It is significantly more prevalent in **females** (approx. 70-90% of rapid cyclers) [1]. * **Ultra-rapid cycling:** Defined as mood switches occurring within days (not a formal DSM category but frequently asked).

Q: A young lady experiencing job loss reports loss of appetite and wakes up at 3 am. What is the most likely diagnosis?

Depression. **Explanation:** The clinical presentation of this patient—triggered by a stressful life event (job loss) and characterized by **biological symptoms**—is a classic description of **Depression**. The two hallmark features mentioned are: 1. **Loss of appetite:** A common somatic symptom of a depressive episode. 2. **Early Morning Awakening (EMA):** The patient wakes up at 3 AM (terminal insomnia). In psychiatry, waking up at least 2 hours before the usual time is a highly specific "biological marker" for **Melancholic Depression**. **Why other options are incorrect:** * **Schizophrenia:** Characterized by "Schneiderian" first-rank symptoms like hallucinations, delusions, and disorganized thinking, rather than primary mood disturbances. * **Obsessive-Compulsive Disorder (OCD):** Involves intrusive, repetitive thoughts (obsessions) and ritualistic behaviors (compulsions) to neutralize anxiety. * **Mania:** The polar opposite of depression; it presents with decreased *need* for sleep (feeling energetic despite little sleep), pressured speech, and grandiosity. **High-Yield Clinical Pearls for NEET-PG:** * **ICD-11/DSM-5 Criteria:** Diagnosis of Depression requires symptoms for at least **2 weeks**. * **Sleep Disturbances:** While EMA is classic for Melancholic Depression, **Initial Insomnia** (difficulty falling asleep) is more common in Anxiety disorders. * **Diurnal Variation:** Depressive symptoms are often worse in the morning and improve slightly as the day progresses. * **First-line Treatment:** Selective Serotonin Reuptake Inhibitors (SSRIs) are the drug of choice.

Q: In mood disorder, what defines a rapid cycler?

4 or more episodes per year. ### Explanation **1. Why Option A is Correct:** In psychiatry, **Rapid Cycling** is a specifier used in Bipolar Disorder (I or II). According to DSM-5 and ICD criteria, it is defined by the occurrence of **4 or more mood episodes** (Manic, Hypomanic, or Depressive) within a single **12-month period**. These episodes must be demarcated by either a period of partial or full remission for at least 2 months or a switch to an episode of opposite polarity (e.g., Mania to Depression). **2. Why Other Options are Incorrect:** * **Options B and D:** These describe **Seasonal Affective Disorder (SAD)** or the "Seasonal Pattern" specifier. While mood changes linked to seasons (e.g., depression in winter, mania in summer) are common, they do not define the frequency required for "rapid cycling." * **Option C:** This is a distractor. While historical theories linked mood to lunar cycles (the origin of the word "lunacy"), there is no clinical definition of rapid cycling based on the lunar year in modern psychiatry. **3. Clinical Pearls for NEET-PG:** * **Demographics:** Rapid cycling is more common in **women** (approx. 70-90% of cases). * **Risk Factors:** It is frequently associated with **hypothyroidism**, substance abuse, and the long-term use of **antidepressants** (which can trigger "cycling"). * **Treatment:** The drug of choice for rapid cycling is **Valproate** (Sodium Valproate/Divalproex), as these patients often show a poor response to Lithium. * **Ultra-rapid cycling:** Defined as episodes occurring within weeks or days. * **Ultradian cycling:** Defined as mood shifts occurring within a single day (less than 24 hours).

Question 1

What is the definition of double depression?

Accepted Answer

Depression superimposed on dysthymia

Answer

Depression with two distinct episodes

Answer

Depression lasting for at least two weeks accompanied by dysthymia lasting for at least two years

Answer

Dysthymia

Question 2

What is the minimum time duration required for the diagnosis of mania?

Accepted Answer

1 week

Answer

2 weeks

Answer

3 weeks

Answer

4 weeks

Question 3

Which of the following is not a criterion for the diagnosis of depression?

Accepted Answer

Unexplained visceral pains

Answer

Feeling of guilt

Answer

Hypersomnia or Insomnia

Answer

Worthlessness

Question 4

What is the most common type of post-puerperal psychosis?

Accepted Answer

Depression

Answer

Anxiety

Answer

Mania

Answer

Suicide

Question 5

Electroconvulsive therapy (ECT) in the depressive phase of manic-depressive disorder (bipolar disorder) is useful because it:

Accepted Answer

Shortens duration

Answer

Produces recurrence

Answer

Reduces recurrence

Answer

Increases drug effects

Question 6

A 60-year-old man, whose wife passed away 3 months prior, now believes his intestines have rotted away and that he is responsible for his wife's death and should be sent to prison. What is the likely diagnosis?

Accepted Answer

Psychotic depression

Answer

Delusional disorder

Answer

Grief psychosis

Answer

Schizophrenia

Question 7

What is the primary treatment for acute manic episodes?

Accepted Answer

Electroconvulsive Therapy (ECT)

Answer

Diazepam

Answer

Sodium valproate

Question 8

Rapid cycling is associated with which psychiatric illness?

Accepted Answer

Bipolar disorder

Answer

Substance abuse disorder

Answer

Schizophrenia

Answer

Panic disorder

Question 9

A young lady experiencing job loss reports loss of appetite and wakes up at 3 am. What is the most likely diagnosis?

Accepted Answer

Depression

Answer

Schizophrenia

Answer

Obsessive-Compulsive Disorder

Answer

Mania

Question 10

In mood disorder, what defines a rapid cycler?

Accepted Answer

4 or more episodes per year

Answer

Mania occurring during summer

Answer

Mania consistent throughout the lunar year

Answer

Depressive episodes occurring during winter

Mood Disorders — MCQs

Mood Disorders — MCQs

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