NR 605 EXAM – DIAGNOSIS AND
MANAGEMENT IN PSYCHIATRIC-
MENTAL HEALTH ACROSS THE
LIFESPAN QUESTIONS & ANSWERS
(CHAMBERLAIN) 100% GUARANTEE
PASS
1. According to the DSM-5, which of the following is a required symptom for a diagnosis of
Major Depressive Disorder (MDD)?
A. Anhedonia or depressed mood
B. Fatigue or loss of energy
C. Psychomotor agitation or retardation
D. Feelings of worthlessness or guilt
Answer: A
Conceptual Explanation: To meet DSM-5 criteria for MDD, at least one of the five
symptoms must be either depressed mood or loss of interest/pleasure (anhedonia).
2. A 24-year-old patient presents with a history of one week of abnormally elevated mood,
decreased need for sleep, and flight of ideas that resulted in hospitalization. What is the most
likely diagnosis?
A. Bipolar II Disorder
,B. Cyclothymic Disorder
C. Major Depressive Disorder with psychotic features
D. Bipolar I Disorder
Answer: D
Conceptual Explanation: Bipolar I Disorder requires at least one manic episode. A manic
episode is defined by a period of at least one week (or any duration if hospitalization is
required) of abnormally elevated mood and increased energy.
3. Which neurotransmitter is primarily implicated in the ‘Reward Pathway’ and is a major
target in substance use disorder treatments?
A. Serotonin
B. GABA
C. Dopamine
D. Norepinephrine
Answer: C
Conceptual Explanation: Dopamine is the primary neurotransmitter involved in the
mesolimbic reward system, which is central to the development and maintenance of
substance use disorders.
, 4. A patient taking Lithium for Bipolar Disorder presents with coarse tremors, ataxia, and
confusion. What is the most likely serum Lithium level?
A. 0.8 mEq/L
B. 1.2 mEq/L
C. 0.4 mEq/L
D. 2.1 mEq/L
Answer: D
Conceptual Explanation: Toxic levels of Lithium typically occur above 1.5 mEq/L. Coarse
tremors, ataxia, and confusion are signs of moderate to severe toxicity, usually seen at
levels above 2.0 mEq/L.
5. Before initiating Clozapine (Clozaril) therapy, the Absolute Neutrophil Count (ANC) must be
at least:
A. 500/mm³
B. 1000/mm³
C. 1500/mm³
D. 2000/mm³
Answer: C
Conceptual Explanation: For the general population, Clozapine initiation requires a
baseline ANC of at least 1500/mm³ due to the risk of agranulocytosis.
MANAGEMENT IN PSYCHIATRIC-
MENTAL HEALTH ACROSS THE
LIFESPAN QUESTIONS & ANSWERS
(CHAMBERLAIN) 100% GUARANTEE
PASS
1. According to the DSM-5, which of the following is a required symptom for a diagnosis of
Major Depressive Disorder (MDD)?
A. Anhedonia or depressed mood
B. Fatigue or loss of energy
C. Psychomotor agitation or retardation
D. Feelings of worthlessness or guilt
Answer: A
Conceptual Explanation: To meet DSM-5 criteria for MDD, at least one of the five
symptoms must be either depressed mood or loss of interest/pleasure (anhedonia).
2. A 24-year-old patient presents with a history of one week of abnormally elevated mood,
decreased need for sleep, and flight of ideas that resulted in hospitalization. What is the most
likely diagnosis?
A. Bipolar II Disorder
,B. Cyclothymic Disorder
C. Major Depressive Disorder with psychotic features
D. Bipolar I Disorder
Answer: D
Conceptual Explanation: Bipolar I Disorder requires at least one manic episode. A manic
episode is defined by a period of at least one week (or any duration if hospitalization is
required) of abnormally elevated mood and increased energy.
3. Which neurotransmitter is primarily implicated in the ‘Reward Pathway’ and is a major
target in substance use disorder treatments?
A. Serotonin
B. GABA
C. Dopamine
D. Norepinephrine
Answer: C
Conceptual Explanation: Dopamine is the primary neurotransmitter involved in the
mesolimbic reward system, which is central to the development and maintenance of
substance use disorders.
, 4. A patient taking Lithium for Bipolar Disorder presents with coarse tremors, ataxia, and
confusion. What is the most likely serum Lithium level?
A. 0.8 mEq/L
B. 1.2 mEq/L
C. 0.4 mEq/L
D. 2.1 mEq/L
Answer: D
Conceptual Explanation: Toxic levels of Lithium typically occur above 1.5 mEq/L. Coarse
tremors, ataxia, and confusion are signs of moderate to severe toxicity, usually seen at
levels above 2.0 mEq/L.
5. Before initiating Clozapine (Clozaril) therapy, the Absolute Neutrophil Count (ANC) must be
at least:
A. 500/mm³
B. 1000/mm³
C. 1500/mm³
D. 2000/mm³
Answer: C
Conceptual Explanation: For the general population, Clozapine initiation requires a
baseline ANC of at least 1500/mm³ due to the risk of agranulocytosis.
