NU552 Final Exam

NU552 Final Exam

Student Name

Purdue University Global

NU552 Advanced Health Assessment and Diagnostic Reasoning

Prof. Name:

Date

Advanced Health Assessment and Diagnostic Reasoning Final Exam Study Guide

Success in an Advanced Health Assessment and Diagnostic Reasoning final exam depends on mastering patient assessment, diagnostic reasoning, differential diagnosis, physical examination techniques, laboratory interpretation, and evidence-based clinical decision-making. This comprehensive study guide reviews the essential concepts using a realistic clinical case, helping nursing students prepare for multiple-choice, short-answer, and long-answer examinations while strengthening practical clinical skills required in advanced nursing practice.

Understanding the Examination Format

Knowing the examination structure allows students to manage time effectively and prepare strategically.

To simulate real examination conditions:

• Complete practice tests within the allotted time.

• Avoid using notes during review sessions.

• Prioritize clinical reasoning over memorization.

Clinical Case Scenario

The examination focuses on K.B., a 30-year-old woman presenting with a chronic dermatological complaint that requires comprehensive assessment and diagnostic reasoning.

Patient Profile

Medical History

The patient’s health history includes:

• Hypertension

• Allergic rhinitis

• Total hysterectomy due to uterine fibroids

Current Medications

• Lisinopril 20 mg daily

• Loratadine 10 mg daily

Family History

• Mother with hypertension

• Brother with hypertension

A complete medical, medication, and family history provides valuable context when developing an accurate differential diagnosis.

Differential Diagnosis of an Itchy, Scaly Rash

Diagnostic reasoning begins by considering multiple potential causes before selecting the most likely diagnosis.

Possible differential diagnoses include:

• Psoriasis

• Contact dermatitis

• Tinea corporis

Among these conditions, psoriasis is the most probable diagnosis because the clinical presentation closely matches its classic features.

Typical characteristics include:

• Well-demarcated erythematous plaques

• Thick silvery scales

• Involvement of extensor surfaces such as the knees

• Scalp lesions

• Chronic inflammatory progression

Facial involvement and psychosocial distress further support the need for timely diagnosis and treatment.

Why Medication History Matters

Medication review is a fundamental component of advanced health assessment because certain drugs can mimic or worsen dermatologic conditions.

Important medication considerations include:

• Lisinopril, an ACE inhibitor, has been associated with dermatitis-like reactions in susceptible individuals.

• Loratadine is prescribed for allergic rhinitis and is rarely linked to inflammatory skin disorders.

Evaluating medications helps clinicians distinguish between primary skin disease and drug-induced reactions.

Laboratory Tests Used During Psoriasis Assessment

Laboratory studies support diagnosis, identify underlying conditions, and guide treatment planning.

Complete Blood Count (CBC)

A CBC evaluates:

• White blood cell count

• Evidence of infection

• Overall immune response

Hemoglobin A1c (HbA1c)

HbA1c measures average blood glucose levels over the previous two to three months. Assessing glycemic control is important because poorly controlled diabetes can delay wound healing and influence long-term treatment decisions.

Inflammatory Markers

Additional laboratory investigations may include:

• Erythrocyte Sedimentation Rate (ESR)

• C-Reactive Protein (CRP)

Although these markers are nonspecific, elevated levels may indicate systemic inflammation and support the overall clinical assessment.

Comprehensive Health History Components

Advanced nursing assessment extends beyond identifying physical symptoms.

A complete history should include:

• Chief complaint

• History of present illness

• Medication history

• Past medical history

• Family history

• Social history

• Review of systems

• Psychosocial assessment

For this patient, documenting emotional distress related to visible facial lesions is essential because chronic skin diseases often affect confidence, relationships, and daily functioning.

Review of Systems

The patient reports:

• Sneezing

• Nasal itching

• Clear nasal drainage

These findings are consistent with allergic rhinitis rather than adverse medication effects.

Physical Examination Techniques

A systematic physical examination ensures accurate diagnosis and minimizes missed findings.

Respiratory Assessment

The posterior lung examination includes:

• Inspection

• Palpation

• Assessment of chest expansion

• Evaluation of tactile fremitus

• Percussion

• Auscultation

Healthy lungs normally produce resonant percussion notes.

Respiratory excursion is evaluated by placing both thumbs near the tenth ribs and observing symmetrical movement during inspiration.

Thyroid Examination

A thorough thyroid assessment includes:

• Inspection

• Palpation

• Observation while swallowing

Patients should slightly extend the neck and swallow while the examiner observes for thyroid enlargement or nodules.

Cardiovascular Assessment

Important cardiovascular examination concepts include:

• S1 is normally loudest at the cardiac apex.

• Heart sounds should be assessed over all valve areas.

• Peripheral pulses should be evaluated for rate, rhythm, and strength.

Abdominal Assessment

The correct examination sequence is:

1. Inspection

2. Auscultation

3. Percussion

4. Palpation

Auscultation precedes palpation because palpation may temporarily alter bowel sounds.

Neurological Assessment

Motor and neurological evaluation includes:

• Muscle strength testing

• Cranial Nerve XI assessment using shoulder shrug against resistance

• Romberg test for balance

• Coordination testing

• Finger-to-nose test

• Heel-to-shin test

• Rapid alternating movements

Ophthalmoscopic examination should assess the optic disc for papilledema, which may indicate increased intracranial pressure.

Hearing Assessment

Two bedside hearing tests are commonly performed.

Musculoskeletal Assessment

Musculoskeletal evaluation includes:

• Joint inspection

• Range of motion

• Muscle strength

• Knee assessment using the bulge sign

• Lower extremity neurological examination

Skin Examination and Diagnostic Procedures

A comprehensive dermatologic examination should evaluate:

• Lesion distribution

• Plaque appearance

• Scaling

• Symmetry

• Nail involvement

• Joint symptoms

When diagnosis remains uncertain, a skin biopsy may be performed to:

• Confirm psoriasis

• Exclude fungal or bacterial infections

• Differentiate inflammatory skin diseases

Evidence-Based Management of Psoriasis

Successful psoriasis management combines medication therapy with patient education and lifestyle interventions.

Topical Corticosteroid Therapy

Desoximetasone (Topicort) is commonly prescribed for localized inflammatory lesions.

Patients should receive education regarding:

• Proper application technique

• Recommended frequency

• Avoiding excessive use

• Monitoring for adverse effects

General Skin Care Recommendations

Patients should also be encouraged to:

• Moisturize regularly

• Avoid skin trauma

• Use gentle cleansers

• Identify symptom triggers

• Maintain routine follow-up appointments

Psychosocial Impact of Psoriasis

Chronic inflammatory skin disorders affect both physical and emotional health.

Patients frequently experience:

• Reduced self-esteem

• Anxiety

• Depression

• Social withdrawal

• Workplace challenges

• Reduced quality of life

Advanced nursing assessments should evaluate emotional well-being alongside physical symptoms to support holistic, patient-centered care.

Clinical Reasoning and Diagnostic Decision-Making

Accurate diagnosis depends on integrating multiple sources of clinical information rather than relying on a single finding.

Effective diagnostic reasoning combines:

• Patient history

• Physical examination

• Laboratory findings

• Medication review

• Differential diagnosis

• Psychosocial assessment

This comprehensive approach improves diagnostic accuracy and supports evidence-based treatment planning.

High-Yield Concepts for the Final Examination

Students should prioritize reviewing the following topics:

• Clinical features of psoriasis

• Differential diagnosis of dermatologic disorders

• Comprehensive health history

• Respiratory examination sequence

• Thyroid examination

• Cardiovascular assessment

• Cranial nerve evaluation

• Weber and Rinne tests

• Neurological assessment

• Musculoskeletal examination

• Laboratory interpretation

• Skin biopsy indications

• Psychosocial assessment

• Patient education for topical corticosteroids

Quick Clinical Review

Key Takeaways

• Psoriasis commonly presents with well-demarcated, scaly plaques affecting extensor surfaces and the scalp.

• Comprehensive history-taking is essential for accurate diagnosis.

• Medication review helps identify potential drug-induced skin reactions.

• CBC, HbA1c, ESR, and CRP support diagnostic evaluation and treatment planning.

• Physical examination should follow standardized assessment techniques.

• Psychosocial assessment is an important component of holistic nursing care.

• Diagnostic reasoning requires integrating patient history, examination findings, laboratory results, and differential diagnoses.

Frequently Asked Questions

What is the most likely diagnosis for an itchy, scaly rash on the knees and scalp?

Psoriasis is the most likely diagnosis because it typically presents with well-defined erythematous plaques covered by silvery scales on extensor surfaces such as the knees and scalp. Facial involvement may occur in some patients and should prompt a comprehensive assessment.

Why is HbA1c ordered in patients with psoriasis?

HbA1c evaluates average blood glucose control over the previous two to three months. Assessing glycemic status helps identify diabetes or poor glucose control, both of which can influence wound healing and treatment outcomes.

Which laboratory test helps identify infection?

The white blood cell count within the Complete Blood Count (CBC) is commonly used to evaluate possible infection and assess the body’s immune response.

Why is psychosocial assessment important in patients with chronic skin diseases?

Visible skin disorders often affect self-esteem, mental health, work performance, relationships, and overall quality of life. Assessing emotional well-being allows healthcare providers to deliver comprehensive, patient-centered care.

What is the correct order of an abdominal examination?

The proper sequence is:

1. Inspection

2. Auscultation

3. Percussion

4. Palpation

This order prevents palpation from altering bowel sounds before auscultation.

NU552 Final Exam

Which bedside test evaluates balance?

The Romberg test assesses balance by evaluating proprioception and vestibular function while the patient stands with feet together and eyes closed.

When is a skin biopsy indicated for psoriasis?

A skin biopsy is recommended when the diagnosis is uncertain or when clinicians need to differentiate psoriasis from infectious or other inflammatory skin disorders.

Practice Questions

Question 1

Which diagnosis is most consistent with well-demarcated, scaly plaques on the knees and scalp?

A. Contact dermatitis

B. Psoriasis

C. Tinea corporis

D. Seborrheic dermatitis

Answer: B. Psoriasis

Question 2

Which laboratory test evaluates long-term blood glucose control?

A. CBC

B. CRP

C. HbA1c

D. ESR

Answer: C. HbA1c

Question 3

Which examination sequence is correct for abdominal assessment?

A. Inspection → Percussion → Auscultation → Palpation

B. Inspection → Auscultation → Percussion → Palpation

C. Auscultation → Inspection → Percussion → Palpation

D. Palpation → Inspection → Auscultation → Percussion

Answer: B. Inspection → Auscultation → Percussion → Palpation

Question 4

Which bedside hearing test evaluates sound lateralization?

A. Romberg

B. Rinne

C. Weber

D. Snellen

Answer: C. Weber

Question 5

Which heart sound is normally heard loudest at the apex?

A. S1

B. S2

C. S3

D. Murmur

Answer: A. S1

Advanced nursing practice relies on comprehensive assessment, evidence-based diagnostic reasoning, and patient-centered management. Early recognition of psoriasis through detailed history-taking, systematic physical examination, appropriate laboratory evaluation, and consideration of psychosocial factors enables clinicians to develop individualized treatment plans that improve both clinical outcomes and quality of life.

Healthcare providers should integrate patient-reported symptoms, medication history, laboratory findings, and physical examination results to reach accurate diagnoses and deliver safe, effective care.

What Is the Most Likely Diagnosis for an Itchy, Scaly Rash on the Knees and Scalp?

The most likely diagnosis is psoriasis, particularly when the patient presents with well-defined erythematous plaques covered by silvery scales on the knees and scalp. Diagnosis is based on a comprehensive health history, physical examination, differential diagnosis, medication review, and, when necessary, skin biopsy. Management typically includes topical corticosteroids, skin care education, and ongoing monitoring of physical and psychosocial health.

How Should Nursing Students Prepare for an Advanced Health Assessment Final Exam?

Students should focus on mastering:

• Comprehensive history-taking

• Systematic physical examination techniques

• Differential diagnosis

• Laboratory interpretation

• Clinical reasoning

• Evidence-based patient management

• Patient education

• Psychosocial assessment

Regular practice with clinical case studies and examination-style questions improves diagnostic accuracy and exam readiness.

References

American Academy of Dermatology Association. (2024). Psoriasis: Diagnosis and treatment. https://www.aad.org/public/diseases/psoriasis/treatment

Bickley, L. S. (2024). Bates’ guide to physical examination and history taking (14th ed.). Wolters Kluwer. https://shop.lww.com/Bates-Guide-to-Physical-Examination-and-History-Taking/p/9781975210879

NU552 Final Exam

Hinkle, J. L., & Cheever, K. H. (2021). Brunner & Suddarth’s textbook of medical-surgical nursing (15th ed.). Wolters Kluwer. https://shop.lww.com/

Jarvis, C. (2023). Physical examination and health assessment (9th ed.). Elsevier. https://evolve.elsevier.com/

Menter, A., Strober, B. E., Kaplan, D. H., et al. (2019). Joint AAD–NPF guidelines of care for the management and treatment of psoriasis. Journal of the American Academy of Dermatology, 80(4), 1029–1072. https://doi.org/10.1016/j.jaad.2018.11.057

Papadakis, M. A., McPhee, S. J., & Rabow, M. W. (2024). Current Medical Diagnosis & Treatment 2024. McGraw-Hill. https://accessmedicine.mhmedical.com/