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Purdue University Globle
NU552 Advanced Health Assessment Course Module Overview
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Date
Preparing for an Advanced Health Assessment and Diagnostic Reasoning final exam requires more than memorizing physical examination techniques. Students need to understand how to connect a patient’s history, symptoms, physical findings, medications, laboratory results, and psychosocial concerns to develop an appropriate differential diagnosis and plan of care. A structured approach to clinical assessment can make complex exam questions easier to interpret while strengthening diagnostic reasoning skills needed in advanced nursing practice.
This study guide reviews a representative dermatological case involving a 30-year-old woman with an itchy, scaly rash and then covers important concepts in health history, physical examination, laboratory evaluation, neurological assessment, cardiovascular examination, musculoskeletal testing, skin assessment, and patient education.
The final examination evaluates knowledge through multiple-choice, short-answer, and long-answer questions. Each format requires a different approach to clinical reasoning.
| Section | Question Type | Number of Questions | Marks |
|---|---|---|---|
| Section 1 | Multiple Choice | 20 | 40 |
| Section 2 | Short Answer | 6 | 30 |
| Section 3 | Long Answer | 3 | 30 |
| Total | — | 29 | 100 |
Students can prepare effectively by practicing under timed conditions and attempting questions without notes. For long-answer questions, focus on explaining the reasoning behind an assessment finding or diagnosis rather than simply listing facts.
The clinical case centers on K.B., a 30-year-old female bank teller who reports a two-week history of an itchy, scaly rash. The lesions are located on the knees, scalp, and face. In addition to the physical symptoms, the patient is experiencing social embarrassment and has begun isolating herself because of the facial lesions.
The combination of lesion location and appearance makes psoriasis an important diagnostic consideration, although other conditions should be included in the differential diagnosis.
Age: 30 years
Occupation: Bank teller
Chief concern: Itchy, scaly rash
Duration: Two weeks
Affected areas: Knees, scalp, and face
Psychosocial concern: Embarrassment and social withdrawal
The patient’s medical history includes hypertension and allergic rhinitis. She has also undergone a total hysterectomy because of uterine fibroids.
Her family history is notable for hypertension in both her mother and brother.
The patient’s medications include:
Lisinopril 20 mg daily for hypertension
Loratadine 10 mg daily for allergic rhinitis
A complete medication history is important because some medications can produce or aggravate cutaneous reactions. However, medication exposure should be considered alongside the patient’s lesion characteristics and distribution rather than assumed to be the cause.
Diagnostic reasoning begins by developing a differential diagnosis rather than immediately assigning a single diagnosis. Conditions that may produce scaly or inflamed skin lesions include psoriasis, contact dermatitis, and dermatophyte infections such as tinea corporis.
Psoriasis is a leading consideration when a patient has well-demarcated, scaly plaques involving the scalp and extensor surfaces such as the knees. Classic plaque psoriasis is associated with sharply defined erythematous plaques covered by characteristic scale.
Nail abnormalities and joint symptoms should also be assessed because psoriasis may be associated with nail disease and psoriatic arthritis.
Contact dermatitis can cause itching, redness, scaling, and inflammation after exposure to an irritant or allergen. The distribution of the lesions and the patient’s exposure history can help distinguish contact dermatitis from psoriasis.
Tinea corporis is a superficial fungal infection that can cause pruritic, scaly lesions. Examination of the lesion’s border, shape, distribution, and progression can help distinguish a fungal infection from inflammatory skin disorders.
Medication reconciliation is an essential part of a comprehensive health assessment. When a patient develops a new skin complaint, the clinician should determine whether any medication was recently started, stopped, or changed.
Lisinopril, an ACE inhibitor, should be considered when evaluating possible medication-related cutaneous reactions. However, a medication should not automatically be identified as the cause of a rash simply because it is capable of producing skin-related adverse effects.
Loratadine is an antihistamine commonly used to manage allergic rhinitis. The patient’s sneezing, nasal itching, and clear nasal drainage are more consistent with her established allergic rhinitis than with a new adverse medication reaction.
Laboratory tests do not usually establish psoriasis by themselves. Psoriasis is primarily a clinical diagnosis based on history and physical examination. Laboratory investigations may nevertheless be useful when evaluating the patient’s overall health, excluding other conditions, assessing comorbidities, or preparing for certain treatments.
A complete blood count (CBC) measures blood components such as red blood cells, hemoglobin, hematocrit, white blood cells, and platelets.
The white blood cell count can provide information that may support evaluation of infection or other systemic processes, although an elevated or normal WBC count alone cannot diagnose or exclude infection.
Hemoglobin A1c (HbA1c) estimates average blood glucose levels over approximately the previous two to three months. It is particularly useful when evaluating diabetes or glycemic control.
HbA1c should not be described as a routine diagnostic test for psoriasis. Its usefulness depends on the patient’s overall clinical situation, comorbidities, and treatment considerations.
Erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) are nonspecific markers of inflammation. They may help evaluate systemic inflammatory activity when clinically indicated, but they do not specifically diagnose psoriasis.
A complete health history provides the foundation for diagnostic reasoning. The clinician should establish what the patient is experiencing, when symptoms began, what makes them better or worse, and how they affect everyday life.
Important components include:
Chief complaint
History of present illness
Past medical and surgical history
Medication and allergy history
Family history
Social history
Review of systems
Psychosocial and functional assessment
For K.B., the history of present illness should include information about the onset, progression, itching, scaling, previous episodes, potential exposures, treatments already attempted, and the effect of the facial lesions on work and social relationships.
Visible skin disease can have a substantial psychological and social impact. Facial lesions may affect self-confidence, relationships, employment experiences, and willingness to participate in social activities.
K.B.’s social withdrawal is therefore clinically relevant and should not be treated as an insignificant detail. The nurse should assess emotional well-being, coping strategies, social support, occupational concerns, and the patient’s perception of her condition.
Patients with chronic inflammatory skin disorders may experience:
Anxiety
Depression
Reduced self-esteem
Social isolation
Stigma
Occupational difficulties
Reduced quality of life
Recognizing these concerns supports holistic, patient-centered care.
K.B. reports sneezing, nasal itching, and clear nasal drainage. These findings are consistent with her history of allergic rhinitis.
A review of systems should distinguish symptoms associated with an established condition from findings that may indicate a new disease process or medication-related problem.
A posterior lung examination involves systematic inspection, palpation, percussion, and auscultation.
The clinician assesses chest shape and symmetry, respiratory effort, expansion, tactile fremitus, percussion notes, and breath sounds.
Healthy, air-filled lungs generally produce a resonant percussion note. Dullness or hyperresonance may indicate an underlying abnormality and should be interpreted in the context of other examination findings.
Posterior chest expansion can be assessed by placing the hands or thumbs symmetrically on the lower posterior thorax and observing their movement during inspiration. The lower thoracic region around the tenth ribs is commonly used as a landmark.
A thyroid assessment includes inspection and palpation. The clinician evaluates the thyroid for enlargement, asymmetry, tenderness, nodules, and other abnormalities.
The patient may be asked to slightly extend the neck and swallow while the examiner observes movement of the thyroid gland. The thyroid normally moves upward during swallowing.
A systematic cardiovascular examination includes assessment of heart sounds, rhythm, rate, pulses, and other relevant findings.
The S1 heart sound is generally loudest at the cardiac apex. It results primarily from closure of the mitral and tricuspid valves at the beginning of ventricular systole.
Heart sounds should be assessed systematically across the recognized cardiac auscultation areas rather than relying on a single listening point.
The correct sequence for the routine abdominal examination is:
Inspection
Auscultation
Percussion
Palpation
Auscultation is performed before percussion and palpation because physical manipulation of the abdomen can potentially change bowel activity and alter auscultatory findings.
A neurological assessment evaluates motor function, sensation, coordination, balance, cranial nerve function, and other neurological findings as indicated by the patient’s presentation.
The spinal accessory nerve, cranial nerve XI, is evaluated by testing shoulder elevation against resistance. The examiner may also assess head rotation against resistance to evaluate the sternocleidomastoid muscles.
The Romberg test evaluates postural stability and the contribution of proprioception and vestibular function to balance. The patient is observed while standing with the feet together, first with the eyes open and then closed, while maintaining appropriate safety precautions.
During an ophthalmoscopic examination, the clinician evaluates the optic disc and retina. Papilledema, when present, may appear as optic disc swelling with blurred or indistinct margins and can be associated with increased intracranial pressure.
Papilledema is an important clinical finding that requires appropriate medical evaluation rather than being treated as an isolated eye disorder.
Two commonly tested bedside hearing assessments are the Weber test and Rinne test.
| Test | Primary Purpose |
|---|---|
| Weber test | Assesses sound lateralization |
| Rinne test | Compares air conduction with bone conduction |
The Weber test can help identify asymmetrical hearing loss by determining whether sound lateralizes to one ear. The Rinne test compares air conduction with bone conduction and is useful for distinguishing conductive from sensorineural patterns when interpreted appropriately.
A musculoskeletal examination evaluates joints, range of motion, muscle strength, gait, and functional movement.
When examining the knees, the clinician may assess for swelling and joint effusion. The bulge sign can be used to detect smaller amounts of fluid in the knee joint.
A lower-extremity assessment may also incorporate neurological findings, particularly when the patient reports weakness, numbness, tingling, gait changes, or other neurological symptoms.
Several bedside tests help assess coordination and motor function.
The finger-to-nose test evaluates upper-extremity coordination and can help identify cerebellar dysfunction.
Rapid alternating movement testing evaluates the patient’s ability to perform coordinated alternating movements. Difficulty performing the movements may indicate a problem with coordination.
The heel-to-shin test evaluates lower-extremity coordination. The patient slides the heel of one foot along the opposite shin in a controlled movement.
A focused skin examination should document the characteristics and distribution of lesions rather than simply recording the presence of a rash.
The clinician should assess:
Location and distribution
Symmetry
Color
Borders
Size and shape
Scale
Texture
Plaque characteristics
Nail changes
Evidence of infection
Associated joint symptoms
In a patient suspected of having psoriasis, assessment of the scalp, extensor surfaces, nails, and joints is particularly important.
Psoriasis is commonly diagnosed clinically, so a skin biopsy is not routinely required. However, a biopsy may be considered when the clinical diagnosis is uncertain or when another dermatological condition needs to be excluded.
A biopsy can provide histopathological information that helps differentiate inflammatory, infectious, neoplastic, and other skin disorders.
Management of psoriasis depends on disease severity, body sites affected, comorbidities, patient preferences, and treatment response. Treatment may include topical therapies, phototherapy, systemic medications, or biologic therapies for appropriate patients.
Topical corticosteroids are commonly used for inflammatory skin conditions, including many cases of psoriasis. Desoximetasone (Topicort) is a topical corticosteroid that may be prescribed for appropriate inflammatory dermatoses.
Patients should understand how to use topical corticosteroids safely. Education should address the prescribed amount, frequency, application site, duration, and potential adverse effects. Stronger corticosteroids require particular caution when used on thin or sensitive skin areas such as the face.
Patients should follow the prescriber’s instructions rather than applying larger amounts or using the medication for longer than recommended.
Supportive skin care can help reduce irritation and improve comfort. Patients may benefit from:
Regular use of appropriate moisturizers
Gentle cleansing
Avoidance of unnecessary skin trauma
Identification of individual triggers
Following prescribed treatment
Keeping recommended follow-up appointments
Advanced health assessment requires clinicians to synthesize information rather than interpret individual findings in isolation.
A useful diagnostic reasoning process connects:
History → Physical Examination → Differential Diagnosis → Diagnostic Testing When Indicated → Clinical Interpretation → Management Plan
For K.B., the clinician considers the lesion distribution and appearance, medication history, associated symptoms, relevant medical history, psychosocial effects, and possible alternative diagnoses before determining the most appropriate next steps.
This approach helps prevent premature closure, in which a clinician stops considering alternatives too early.
Students preparing for an advanced health assessment and diagnostic reasoning examination should prioritize concepts that frequently require application rather than simple recall.
Key areas include:
Clinical characteristics of psoriasis
Differential diagnosis of scaly skin lesions
Comprehensive health history
Medication reconciliation
Psychosocial assessment
Respiratory examination techniques
Normal lung percussion
Thyroid examination
Cardiovascular auscultation
Abdominal examination sequence
Cranial nerve XI assessment
Romberg testing
Ophthalmoscopic assessment
Weber and Rinne tests
Musculoskeletal examination
Coordination testing
Skin assessment
Indications for skin biopsy
Patient education for topical corticosteroids
| Topic | Key Point |
|---|---|
| Most likely diagnosis in this case | Psoriasis |
| Important lesion locations | Knees and scalp |
| Medication requiring consideration | Lisinopril |
| HbA1c | Estimates average blood glucose over approximately 2–3 months |
| CBC | Evaluates blood cell counts, including WBCs |
| Normal lung percussion | Resonance |
| Hearing lateralization | Weber test |
| Air versus bone conduction | Rinne test |
| Balance assessment | Romberg test |
| S1 | Generally loudest at the apex |
| Cranial nerve XI | Shoulder shrug/head rotation against resistance |
| Respiratory excursion | Assessed over the lower posterior thorax |
| Abdominal sequence | Inspection → Auscultation → Percussion → Palpation |
| Psoriasis diagnosis | Usually clinical |
| Skin biopsy | Considered when the diagnosis is uncertain |
Psoriasis is a leading diagnosis because psoriasis commonly produces well-demarcated, scaly plaques involving the scalp and extensor surfaces such as the knees. The complete clinical presentation should still be evaluated to exclude conditions such as contact dermatitis and tinea.
No. Psoriasis is primarily diagnosed clinically through the patient’s history and skin examination. Laboratory testing may be ordered for other clinical reasons, but there is no single blood test that confirms psoriasis.
HbA1c reflects a person’s average blood glucose level over approximately the previous two to three months. It is primarily used to assess glycemic status and diabetes management.
The white blood cell count can provide information relevant to infection and inflammation. However, WBC results must be interpreted alongside symptoms, physical findings, and other diagnostic information.
Visible skin disease can affect self-esteem, emotional well-being, social relationships, employment, and quality of life. Assessing psychosocial effects allows clinicians to provide more comprehensive, patient-centered care.
The standard sequence is inspection, auscultation, percussion, and palpation. Auscultation comes before percussion and palpation because physical manipulation can alter bowel activity.
The Romberg test evaluates postural stability and the patient’s ability to maintain balance when visual input is removed. It provides information about proprioceptive and vestibular contributions to balance.
The Weber test evaluates sound lateralization and can help identify differences between the two ears when interpreted with other hearing findings.
The Rinne test compares air conduction with bone conduction. The findings help characterize conductive versus sensorineural hearing patterns.
The first heart sound, S1, is generally loudest near the cardiac apex, where the mitral area is auscultated.
Effective preparation for an advanced health assessment final exam involves connecting concepts rather than memorizing isolated definitions. When reviewing a clinical case, ask what the patient’s most important symptoms are, which diagnoses could explain them, what findings support or contradict each diagnosis, and which assessment techniques or diagnostic tests would provide additional information.
For physical examination questions, practice remembering both the technique and the clinical purpose of each maneuver. For example, do not simply memorize that the Weber test is used in hearing assessment; understand that it evaluates sound lateralization. Similarly, know not only the abdominal examination sequence but also why auscultation is performed before percussion and palpation.
For case-based questions, pay attention to the patient’s age, symptoms, lesion distribution, medication history, associated findings, and psychosocial concerns. These details often provide the clues needed to identify the most appropriate answer.
Advanced nursing assessment ultimately depends on integrating clinical evidence with patient-specific factors. A systematic approach improves diagnostic reasoning, supports safer decision-making, and helps nurses develop individualized plans of care.
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