NR547/ NR 547 Midterm Exam Study Guide (Latest 2026/ 2027 Update) Differential Diagnosis in Psychiatric-Mental Health Across the Lifespan Practicum with Verified Answers |100% Correct– Chamberlain.

NR547/ NR 547 Midterm Exam Study Guide (Latest 2026/
2027 Update) Differential Diagnosis in Psychiatric-Mental
Health Across the Lifespan Practicum with Verified Answers
|100% Correct– Chamberlain.

Question:

A 52-year-old client presents to the emergency department following a
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car accident. The emergency department (ED) physician is concerned that
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the client may have intentionally crashed her car and requests a stat
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PMHNP consult. In speaking with the PMHNP, the client describes
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persistent feelings of sadness and hopelessness. She states that she often
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wonders if her husband would be happier if she wasn't around anymore
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since she's never happy and sometimes thinks about what it would be like
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to just take a handful of sleeping pills and go to sleep forever. The client
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reports a previous suicide attempt when she was 16 but denies that she is
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considering killing herself right now. i,- i,- i,- i,-




Based on the client's ASQ score, what is the most appropriate response?
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No action is necessary as the client is not currently considering suicide.
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Provide a brief suicide safety assessment.
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Alert the client's primary care physician.
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Provide a ST? i,- i,-




Answer:

Provide a brief suicide safety assessment.
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,Rationale: While the client's responses do not indicate a need for a stat
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full safety and mental health evaluation, the client requires a brief suicide
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safety assessment to determine whether a full mental health evaluation in
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necessary. It is also important to notify the client's physician or the
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clinician responsible for the client's care.
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Question:

Diagnostic Testing when diagnosing mental health disorders?
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Answer:

-Diagnostic tests and labs are most used to rule out physical conditions
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that may cause psychiatric symptoms and to evaluate the effects of
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treatment




Question:

Basic Laboratory Interpretation?
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Answer:

Complete Blood Count i,- i,-




Comprehensive Metabolic Panel (CMP) i,- i,- i,-




Thyroid Function Tests i,- i,-




Vitamin B12 Level i,- i,-




Vitamin D Level i,- i,-




Toxicology Screen i,-




Urinalysis (UA) i,-

,Question:

Basic Laboratory Interpretation: Complete Blood Count?
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Answer:

-measures RBCs, WBCs, hemoglobin, hematocrit, and platelets
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-includes a differential of the WBCs i,- i,- i,- i,- i,-




-In mental health, the CBC is used to rule out medical conditions that may
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present with symptoms that can be attributed to both medical and
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psychiatric diagnoses i,-




• Ex: rule out anemia as a cause for depressive symptoms and fatigue
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• Ex: rule out infection as a cause of acute mental status changes
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RBCs: 4.5-6.0 million/microliter
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Hemoglobin: 12-18 grams/100 mL i,- i,- i,-




Hematocrit: 38%-48% i,-




Reticulocytes: 0%-1.5% i,-




WBCs (total): 5000-10,000/microliter
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Neutrophils: 55%-70% i,-




Eosinophils: 1%-3% i,-




Basophils: 0.5%-1% i,-




Lymphocytes: 20%-35% i,-




Monocytes: 3%-8% i,-

, Platelets: 150,000-300,000/microliter
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Question:

Basic Laboratory Interpretation: Comprehensive Metabolic Panel (CMP)?
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Answer:

common blood test used to determine general health status
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-fluid and electrolyte balance, status of the body's metabolism, liver
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function, and kidney function
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-used to monitor the effects of medications, such as antipsychotics, on
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liver function and glucose levels
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-rule out medical conditions that could cause symptoms
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• Ex: changes in mood or cognition
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Sodium (Na+): 136-145 mEq/L
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Postassium (K+): 3.5-5.0 mEq/L i,- i,- i,-




Chloride (Cl-): 95-105 mEq/L
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Bicarbonate (HCO3-): 22-28 mEq/L i,- i,- i,-




Calcium, serum (Ca 2+) 8.4-10.2 mg/dl
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Glucose, serum Fasting: 70-110 mg/dl; 2-h postprandial: <120mg/dl
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Cholesterol, serum: REC<200 mg/dl i,- i,- i,-




Total Protein 6.0-7.8 g/dl
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Albumin 3.5-5.5 g/dl i,- i,-