NR605 Exam 1 Actual Exam Style V2 | NR 605
Diagnosis & Management in Psychiatric-Mental
Health across the Lifespan | Chamberlain
1. A 34-year-old patient reports feeling ‘down’ for several weeks and describes their
internal emotional state as ‘empty.’ Which component of the Mental Status Exam
(MSE) is the clinician evaluating based on the patient’s self-report?
A. Affect
B. Perception
C. Mood
D. Thought Process
Correct Answer: C
Expert Explanation: Mood is defined as the subjective emotional state that a
patient reports to the clinician. Unlike affect, which is the objective observation of
emotional expression, mood provides insight into the patient’s internal experience.
Identifying the patient’s mood is a foundational step in diagnosing depressive or
bipolar disorders.
,2. Which neurotransmitter is primarily associated with the ‘reward’ pathway in the
brain and is often implicated in both substance use disorders and the positive
symptoms of schizophrenia?
A. Serotonin
B. GABA
C. Dopamine
D. Glutamate
Correct Answer: C
Expert Explanation: Dopamine is the primary neurotransmitter involved in the
mesolimbic pathway, which governs reward and motivation. Excess dopamine in
this pathway is associated with hallucinations and delusions in schizophrenia.
Medications that block dopamine receptors, such as antipsychotics, are used to
manage these positive symptoms.
3. A patient who was recently started on an SSRI presents with agitation, tremors, and
hyperreflexia. The PMHNP suspects Serotonin Syndrome. Which of the following is the
most appropriate initial action?
A. Increase the SSRI dose to stabilize the mood.
B. Wait 24 hours to see if symptoms resolve spontaneously.
,C. Add a benzodiazepine to treat the tremors.
D. Discontinue the SSRI and provide supportive care.
Correct Answer: D
Expert Explanation: Serotonin Syndrome is a potentially life-threatening condition
caused by excessive serotonergic activity. The first priority is to stop the offending
agent immediately to prevent further toxicity. Supportive care, including hydration
and monitoring of vital signs, is essential for recovery.
4. In the context of pharmacokinetics, which term describes the time required for the
plasma concentration of a drug to be reduced by 50%?
A. Steady state
B. Half-life
C. Bioavailability
D. Clearance
Correct Answer: B
Expert Explanation: Half-life is a critical pharmacokinetic parameter that
determines how frequently a medication must be dosed. It typically takes four to
five half-lives for a medication to reach a steady-state concentration in the blood.
, Understanding half-life helps clinicians predict when a drug will be eliminated from
the patient’s system.
5. Which brain structure is primarily responsible for the processing of fear and the
‘fight or flight’ response?
A. Hippocampus
B. Amygdala
C. Prefrontal Cortex
D. Basal Ganglia
Correct Answer: B
Expert Explanation: The amygdala is a key component of the limbic system that
identifies and responds to emotional threats. Hyperactivity in the amygdala is often
observed in patients with anxiety and post-traumatic stress disorders. It
communicates with other brain regions to initiate the physiological response to fear.
6. A patient diagnosed with Bipolar I Disorder has been taking Lithium for three
months. Which laboratory value requires the most frequent monitoring to ensure
safety and efficacy?
A. Liver function tests (LFTs)
B. Complete Blood Count (CBC)
Diagnosis & Management in Psychiatric-Mental
Health across the Lifespan | Chamberlain
1. A 34-year-old patient reports feeling ‘down’ for several weeks and describes their
internal emotional state as ‘empty.’ Which component of the Mental Status Exam
(MSE) is the clinician evaluating based on the patient’s self-report?
A. Affect
B. Perception
C. Mood
D. Thought Process
Correct Answer: C
Expert Explanation: Mood is defined as the subjective emotional state that a
patient reports to the clinician. Unlike affect, which is the objective observation of
emotional expression, mood provides insight into the patient’s internal experience.
Identifying the patient’s mood is a foundational step in diagnosing depressive or
bipolar disorders.
,2. Which neurotransmitter is primarily associated with the ‘reward’ pathway in the
brain and is often implicated in both substance use disorders and the positive
symptoms of schizophrenia?
A. Serotonin
B. GABA
C. Dopamine
D. Glutamate
Correct Answer: C
Expert Explanation: Dopamine is the primary neurotransmitter involved in the
mesolimbic pathway, which governs reward and motivation. Excess dopamine in
this pathway is associated with hallucinations and delusions in schizophrenia.
Medications that block dopamine receptors, such as antipsychotics, are used to
manage these positive symptoms.
3. A patient who was recently started on an SSRI presents with agitation, tremors, and
hyperreflexia. The PMHNP suspects Serotonin Syndrome. Which of the following is the
most appropriate initial action?
A. Increase the SSRI dose to stabilize the mood.
B. Wait 24 hours to see if symptoms resolve spontaneously.
,C. Add a benzodiazepine to treat the tremors.
D. Discontinue the SSRI and provide supportive care.
Correct Answer: D
Expert Explanation: Serotonin Syndrome is a potentially life-threatening condition
caused by excessive serotonergic activity. The first priority is to stop the offending
agent immediately to prevent further toxicity. Supportive care, including hydration
and monitoring of vital signs, is essential for recovery.
4. In the context of pharmacokinetics, which term describes the time required for the
plasma concentration of a drug to be reduced by 50%?
A. Steady state
B. Half-life
C. Bioavailability
D. Clearance
Correct Answer: B
Expert Explanation: Half-life is a critical pharmacokinetic parameter that
determines how frequently a medication must be dosed. It typically takes four to
five half-lives for a medication to reach a steady-state concentration in the blood.
, Understanding half-life helps clinicians predict when a drug will be eliminated from
the patient’s system.
5. Which brain structure is primarily responsible for the processing of fear and the
‘fight or flight’ response?
A. Hippocampus
B. Amygdala
C. Prefrontal Cortex
D. Basal Ganglia
Correct Answer: B
Expert Explanation: The amygdala is a key component of the limbic system that
identifies and responds to emotional threats. Hyperactivity in the amygdala is often
observed in patients with anxiety and post-traumatic stress disorders. It
communicates with other brain regions to initiate the physiological response to fear.
6. A patient diagnosed with Bipolar I Disorder has been taking Lithium for three
months. Which laboratory value requires the most frequent monitoring to ensure
safety and efficacy?
A. Liver function tests (LFTs)
B. Complete Blood Count (CBC)
