PSYCHOPATHOLOGY AND
DIAGNOSTIC REASONING FINAL EXAM
PREP QUESTIONS AND ANSWERS
1. Which dopamine pathway is primarily associated with the positive symptoms of
schizophrenia, such as hallucinations and delusions?
A. Mesocortical pathway
B. Nigrostriatal pathway
C. Tuberoinfundibular pathway
D. Mesolimbic pathway
Answer: D
Conceptual Explanation: The mesolimbic pathway involves the projection of dopamine
from the ventral tegmental area to the nucleus accumbens; overactivity here is linked to
positive symptoms. The mesocortical pathway is linked to negative symptoms.
2. According to the DSM-5-TR, what is the minimum duration of symptoms required to
diagnose a patient with Major Depressive Disorder?
A. 2 weeks
B. 1 week
,C. 1 month
D. 2 months
Answer: A
Conceptual Explanation: A diagnosis of MDD requires at least five symptoms to be
present during the same 2-week period, representing a change from previous functioning.
3. A patient presents with a history of at least one hypomanic episode and at least one major
depressive episode, but has never had a full manic episode. What is the most likely diagnosis?
A. Bipolar I Disorder
B. Cyclothymic Disorder
C. Bipolar II Disorder
D. Major Depressive Disorder with atypical features
Answer: C
Conceptual Explanation: Bipolar II is characterized by at least one hypomanic episode
and one major depressive episode. If a manic episode occurs, the diagnosis changes to
Bipolar I.
4. Which of the following is considered a ‘negative symptom’ of schizophrenia?
A. Disorganized speech
B. Auditory hallucinations
C. Flat affect
, D. Delusions of grandeur
Answer: C
Conceptual Explanation: Negative symptoms refer to a decrease or loss of normal
functions, including affective flattening (flat affect), alogia, and avolition. The others are
positive symptoms.
5. A 24-year-old patient exhibits a pervasive pattern of instability in interpersonal
relationships, self-image, and affects, along with marked impulsivity. Which personality
disorder does this describe?
A. Antisocial Personality Disorder
B. Histrionic Personality Disorder
C. Narcissistic Personality Disorder
D. Borderline Personality Disorder
Answer: D
Conceptual Explanation: Borderline Personality Disorder is defined by instability in
relationships, self-image, and mood, often accompanied by impulsive behaviors and fear of
abandonment.
6. Which laboratory value is most critical to monitor in a patient newly prescribed Clozapine?
A. Serum creatinine
B. Thyroid Stimulating Hormone (TSH)
DIAGNOSTIC REASONING FINAL EXAM
PREP QUESTIONS AND ANSWERS
1. Which dopamine pathway is primarily associated with the positive symptoms of
schizophrenia, such as hallucinations and delusions?
A. Mesocortical pathway
B. Nigrostriatal pathway
C. Tuberoinfundibular pathway
D. Mesolimbic pathway
Answer: D
Conceptual Explanation: The mesolimbic pathway involves the projection of dopamine
from the ventral tegmental area to the nucleus accumbens; overactivity here is linked to
positive symptoms. The mesocortical pathway is linked to negative symptoms.
2. According to the DSM-5-TR, what is the minimum duration of symptoms required to
diagnose a patient with Major Depressive Disorder?
A. 2 weeks
B. 1 week
,C. 1 month
D. 2 months
Answer: A
Conceptual Explanation: A diagnosis of MDD requires at least five symptoms to be
present during the same 2-week period, representing a change from previous functioning.
3. A patient presents with a history of at least one hypomanic episode and at least one major
depressive episode, but has never had a full manic episode. What is the most likely diagnosis?
A. Bipolar I Disorder
B. Cyclothymic Disorder
C. Bipolar II Disorder
D. Major Depressive Disorder with atypical features
Answer: C
Conceptual Explanation: Bipolar II is characterized by at least one hypomanic episode
and one major depressive episode. If a manic episode occurs, the diagnosis changes to
Bipolar I.
4. Which of the following is considered a ‘negative symptom’ of schizophrenia?
A. Disorganized speech
B. Auditory hallucinations
C. Flat affect
, D. Delusions of grandeur
Answer: C
Conceptual Explanation: Negative symptoms refer to a decrease or loss of normal
functions, including affective flattening (flat affect), alogia, and avolition. The others are
positive symptoms.
5. A 24-year-old patient exhibits a pervasive pattern of instability in interpersonal
relationships, self-image, and affects, along with marked impulsivity. Which personality
disorder does this describe?
A. Antisocial Personality Disorder
B. Histrionic Personality Disorder
C. Narcissistic Personality Disorder
D. Borderline Personality Disorder
Answer: D
Conceptual Explanation: Borderline Personality Disorder is defined by instability in
relationships, self-image, and mood, often accompanied by impulsive behaviors and fear of
abandonment.
6. Which laboratory value is most critical to monitor in a patient newly prescribed Clozapine?
A. Serum creatinine
B. Thyroid Stimulating Hormone (TSH)
