NR547 WEEK 4 EXAM V2 -
DIFFERENTIAL DIAGNOSIS IN PMHNP
QUESTIONS WITH CORRECT ANSWERS
(LATEST ), (A+ GUARANTEE).
1. A 28-year-old patient reports feeling ‘on edge’ for the past 7 months, with muscle tension,
irritability, and difficulty concentrating. They report these symptoms occur more days than
not. Which diagnosis is most appropriate?
A. Panic Disorder
B. Social Anxiety Disorder
C. Generalized Anxiety Disorder (GAD)
D. Adjustment Disorder with Anxiety
Answer: C
Conceptual Explanation: GAD requires excessive anxiety and worry occurring more days
than not for at least 6 months, involving multiple activities or events.
2. To distinguish between Bipolar I and Bipolar II Disorder, the clinician must identify which of
the following?
A. The presence of at least one Manic Episode
B. The presence of a Major Depressive Episode
,C. The duration of hypomanic symptoms for 2 days
D. The presence of psychotic features during depression
Answer: A
Conceptual Explanation: Bipolar I requires at least one full manic episode. Bipolar II
requires at least one hypomanic episode and one major depressive episode, but never a full
manic episode.
3. A patient presents with a 3-week history of auditory hallucinations and delusions. For the
last 2 weeks of this period, the patient also met full criteria for a Major Depressive Episode.
Which diagnosis is most likely?
A. Major Depressive Disorder with Psychotic Features
B. Schizophrenia
C. Schizoaffective Disorder
D. Brief Psychotic Disorder
Answer: C
Conceptual Explanation: Schizoaffective disorder requires a period of at least 2 weeks of
delusions or hallucinations in the absence of a major mood episode.
4. Which symptom is a required diagnostic criterion for Major Depressive Disorder according
to the DSM-5-TR?
A. Psychomotor agitation
, B. Suicidal ideation
C. Anhedonia or depressed mood
D. Excessive guilt
Answer: C
Conceptual Explanation: One of the two core symptoms (depressed mood or loss of
interest/pleasure) must be present for a diagnosis of MDD.
5. A 10-year-old child exhibits chronic, severe persistent irritability and frequent temper
outbursts that are out of proportion to the situation. These symptoms have been present for
14 months. What is the most likely diagnosis?
A. Disruptive Mood Dysregulation Disorder (DMDD)
B. Oppositional Defiant Disorder (ODD)
C. Pediatric Bipolar Disorder
D. Attention-Deficit/Hyperactivity Disorder (ADHD)
Answer: A
Conceptual Explanation: DMDD is characterized by chronic, severe persistent irritability
and frequent temper outbursts (3 or more times per week) for at least 12 months.
6. What is the minimum duration of symptoms required to diagnose Schizophreniform
Disorder?
A. 1 month but less than 6 months
DIFFERENTIAL DIAGNOSIS IN PMHNP
QUESTIONS WITH CORRECT ANSWERS
(LATEST ), (A+ GUARANTEE).
1. A 28-year-old patient reports feeling ‘on edge’ for the past 7 months, with muscle tension,
irritability, and difficulty concentrating. They report these symptoms occur more days than
not. Which diagnosis is most appropriate?
A. Panic Disorder
B. Social Anxiety Disorder
C. Generalized Anxiety Disorder (GAD)
D. Adjustment Disorder with Anxiety
Answer: C
Conceptual Explanation: GAD requires excessive anxiety and worry occurring more days
than not for at least 6 months, involving multiple activities or events.
2. To distinguish between Bipolar I and Bipolar II Disorder, the clinician must identify which of
the following?
A. The presence of at least one Manic Episode
B. The presence of a Major Depressive Episode
,C. The duration of hypomanic symptoms for 2 days
D. The presence of psychotic features during depression
Answer: A
Conceptual Explanation: Bipolar I requires at least one full manic episode. Bipolar II
requires at least one hypomanic episode and one major depressive episode, but never a full
manic episode.
3. A patient presents with a 3-week history of auditory hallucinations and delusions. For the
last 2 weeks of this period, the patient also met full criteria for a Major Depressive Episode.
Which diagnosis is most likely?
A. Major Depressive Disorder with Psychotic Features
B. Schizophrenia
C. Schizoaffective Disorder
D. Brief Psychotic Disorder
Answer: C
Conceptual Explanation: Schizoaffective disorder requires a period of at least 2 weeks of
delusions or hallucinations in the absence of a major mood episode.
4. Which symptom is a required diagnostic criterion for Major Depressive Disorder according
to the DSM-5-TR?
A. Psychomotor agitation
, B. Suicidal ideation
C. Anhedonia or depressed mood
D. Excessive guilt
Answer: C
Conceptual Explanation: One of the two core symptoms (depressed mood or loss of
interest/pleasure) must be present for a diagnosis of MDD.
5. A 10-year-old child exhibits chronic, severe persistent irritability and frequent temper
outbursts that are out of proportion to the situation. These symptoms have been present for
14 months. What is the most likely diagnosis?
A. Disruptive Mood Dysregulation Disorder (DMDD)
B. Oppositional Defiant Disorder (ODD)
C. Pediatric Bipolar Disorder
D. Attention-Deficit/Hyperactivity Disorder (ADHD)
Answer: A
Conceptual Explanation: DMDD is characterized by chronic, severe persistent irritability
and frequent temper outbursts (3 or more times per week) for at least 12 months.
6. What is the minimum duration of symptoms required to diagnose Schizophreniform
Disorder?
A. 1 month but less than 6 months
