NURS 6521 Week 4 Assignment: Pharmacotherapy for Gastrointestinal and Hepatobiliary Disorders
Course and Assessment Context
Course: NURS 6521 – Advanced Pharmacology
Institution model: Walden-style online graduate nursing program (U.S. college, MSN level)
Assessment label: Week 4 Assignment – Pharmacotherapy for Gastrointestinal and Hepatobiliary Disorders
Length: 1–2 page paper (excluding title page and references), approximately 500–700 words, APA 7th edition format
Weighting: Major weekly assignment aligned with GI/hepatobiliary pharmacology module and practicum application outcomes
Assignment Overview
Gastrointestinal (GI) and hepatobiliary disorders frequently present with overlapping symptoms such as abdominal pain, nausea, vomiting, changes in bowel habits, fatigue, and weight changes, which can stem from infections, inflammatory conditions, metabolic liver disease, malignancy, pregnancy, medications, or substance use disorders. Accurate pharmacologic management requires that advanced practice nurses discriminate between similar presentations, determine whether symptoms originate from the GI or hepatobiliary system or reflect pathology in another system, and then select targeted therapies consistent with current evidence-based guidelines and the patient’s comorbidities and concurrent drugs. In this Week 4 Assignment, you will analyze an assigned case study, justify a primary diagnosis, and design a focused pharmacotherapy plan that considers the patient’s current regimen, risks, and safety monitoring needs.
Case Study Selection (Instructor-Assigned)
Your instructor will assign you one of the Week 4 GI or hepatobiliary case studies for NURS 6521. Only use the case you have been given in your section and do not switch or combine cases. Carefully review the full case details posted in your course shell, including symptoms, timeline, social history, substance use, pregnancy status where relevant, home medications, allergies, and pertinent lab or imaging data. Your analysis and drug therapy plan must be tailored to that specific patient profile.
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Assignment Instructions
Write a 1–2 page academic paper that addresses the following components for your assigned patient:
1. Diagnosis and Rationale
- State your primary working diagnosis using appropriate clinical terminology.
- Briefly list 1–2 key differential diagnoses and justify why they were ruled out based on case data.
- Explain your rationale by linking patient history, clinical findings, and pathophysiology.
2. Drug Therapy Plan
- Describe an evidence-based pharmacotherapy plan aligned with current clinical guidelines.
- For each medication include:
- Drug name (generic preferred)
- Dose, route, and frequency
- Duration or taper schedule
- Key patient counseling points
- Clarify which current medications to continue, discontinue, or adjust.
- Address supportive therapies such as rehydration, antiemetics, acid suppression, or safe analgesia.
3. Justification of Plan
- Justify therapy based on patient history, comorbidities, and risk factors.
- Discuss at least two safety considerations such as drug interactions or monitoring needs.
- Provide examples showing how your plan reduces complications.
4. Application of Evidence and Guidelines
- Connect your plan to at least one current evidence-based guideline.
- Use at least two scholarly or guideline references published between 2018 and 2026.
Formatting and Submission Requirements
- APA 7th edition formatting
- Title page, introduction, structured body headings, and conclusion
- Reference list with at least two current scholarly sources
- Submit as a Microsoft Word document by Day 7
Marking Criteria / Week 4 Assignment Rubric (2026)
| Criteria | Weight | Key Expectations |
|---|---|---|
| Diagnosis and Rationale | 25% | Accurate diagnosis, justified differentials, pathophysiology linkage |
| Drug Therapy Plan | 30% | Complete prescriptions, guideline-based care, medication adjustments |
| Justification and Safety | 30% | Clear rationale, interaction awareness, monitoring strategy |
| Written Expression and APA | 15% | Organization, grammar, APA formatting accuracy |
Academic Integrity Note
Use course materials and scholarly sources to support your work. Avoid copying from online repositories. Paraphrase appropriately and cite all sources. Your submission must reflect your own clinical reasoning.
Additional Academic Insight
Effective pharmacotherapy in gastrointestinal and hepatobiliary disorders requires a structured clinical reasoning process that integrates diagnostic accuracy with patient-specific safety considerations and guideline adherence. Advanced practice nurses must evaluate pharmacokinetic and pharmacodynamic variables alongside comorbid conditions to ensure optimal therapeutic outcomes while minimizing adverse effects. This includes careful assessment of hepatic metabolism, potential drug interactions, and the appropriateness of supportive care interventions such as fluid management and symptom control. Incorporating evidence-based recommendations into individualized care plans strengthens clinical decision-making and improves patient outcomes in complex presentations (Riddle & DuPont, 2019).
References
- AASLD–IDSA. (2024). HCV guidance: Recommendations for testing, managing, and treating hepatitis C.
- Chalasani, N., et al. (2018). Diagnosis and management of nonalcoholic fatty liver disease. Hepatology.
- Riddle, M. S., & DuPont, H. L. (2019). Acute infectious diarrhea. JAMA.
- Rosenthal, L. D., & Burchum, J. R. (2021). Lehne’s pharmacotherapeutics. Elsevier.
- World Gastroenterology Organisation. (2018). Acute diarrhea global guidelines.
- Lacy, B. E., et al. (2021). ACG clinical guideline for management of dyspepsia. American Journal of Gastroenterology.
- Write a 500–700 word APA 7 paper for NURS 6521 Week 4 covering GI and hepatobiliary diagnosis, pharmacotherapy plan, and evidence-based justification.
- Complete your Week 4 advanced pharmacology assignment with a structured GI or hepatobiliary case analysis, including diagnosis and drug therapy plan.
- Graduate nursing guide for NURS 6521 Week 4 with rubric, pharmacotherapy strategies, and clinical reasoning tips.
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Assignment: Week 5 Discussion – Pharmacotherapy for Endocrine Disorders
NURS 6521 Week 5 Discussion – Pharmacotherapy for Endocrine Disorders Description: In Week 5, you will shift from GI and hepatobiliary conditions to endocrine disorders such as type 2 diabetes, thyroid disease, or adrenal dysfunction, using short case vignettes similar to prior discussion formats. Your initial discussion post (300–500 words) will require you to select one assigned case, state your most likely endocrine diagnosis, and propose an appropriate first‑line pharmacologic regimen with dosing, monitoring, and patient teaching. You will then compare your approach with at least one classmate’s plan in two substantive peer responses, focusing on differences in drug selection, safety considerations, and guideline use. APA citations are expected in the initial post, and responses should extend the discussion rather than repeat original points.
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NURS 6521 Week 4 Assignment: Pharmacotherapy for Gastrointestinal and Hepatobiliary Disorders
Assignment Overview
Gastrointestinal (GI) and hepatobiliary disorders affect the structure and function of the GI tract. Many of these disorders share overlapping symptoms, including abdominal pain, cramping, constipation, nausea, bloating, and fatigue. Because multiple conditions can present with the same clinical picture, advanced practice nurses must evaluate patients carefully and prescribe treatment that targets the underlying cause rather than the symptom alone. Once the root cause is identified, an appropriate drug therapy plan can be developed, taking into account the patient’s medical history and individual factors. In this assignment, you examine a case study of a patient presenting with symptoms suggestive of a GI or hepatobiliary disorder and design an appropriate drug therapy plan.
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Case Study
Patient HL comes into the clinic with the following symptoms: nausea, vomiting, and diarrhea. The patient has a history of drug abuse and possible Hepatitis C (HCV). HL is currently taking the following prescription drugs:
- Synthroid 100 mcg daily
- Nifedipine 30 mg daily
- Prednisone 10 mg daily
To Prepare
- Review the case study above.
- Reflect on the patient’s symptoms, medical history, and drugs currently prescribed.
- Consider a possible diagnosis for the patient. Ask yourself whether the patient has a disorder related to the gastrointestinal and hepatobiliary system or whether the symptoms stem from another system or other factors, such as pregnancy, drugs, or a psychological disorder.
- Think about an appropriate drug therapy plan based on the patient’s history, diagnosis, and drugs currently prescribed.
Assignment Instructions
Write a 1-page paper that addresses the following:
- Explain your diagnosis for the patient, including your rationale for the diagnosis.
- Describe an appropriate drug therapy plan based on the patient’s history, diagnosis, and drugs currently prescribed.
- Justify why you would recommend this drug therapy plan for this patient. Be specific and provide examples.
Reminder: The School of Nursing requires that all papers submitted include a title page, introduction, summary, and references. The Sample Paper provided at the Walden Writing Center offers an example of those required elements. All papers submitted must use this formatting.
Submission and Grading Information
To submit your completed Assignment for review and grading, do the following:
- Save your Assignment using the naming convention WK4Assgn+last name+first initial.(extension).
- Click the Week 4 Assignment Rubric to review the Grading Criteria for the Assignment.
- Click the Week 4 Assignment link and follow the prompts to attach and submit your file.
Grading Rubric: NURS_6521_Week4_Assignment_Rubric
| Criteria | Excellent | Good | Fair | Poor |
|---|---|---|---|---|
| Explain your diagnosis for the patient, including your rationale for the diagnosis. (23% – 25%) |
The response accurately and clearly explains in detail the diagnosis for the patient, including an accurate and thorough rationale for the diagnosis that supports clinical judgment. | The response provides a basic explanation of 1–2 diagnoses for the patient, including an accurate rationale for the diagnosis that may support clinical judgment. | The response inaccurately or vaguely explains the diagnosis for the patient, including an inaccurate or vague rationale for the diagnosis that may or may not support clinical judgment. | The response inaccurately and vaguely explains the diagnosis for the patient, including an inaccurate and vague rationale for the diagnosis that does not support clinical judgment, or is missing. |
| Describe an appropriate drug therapy plan based on the patient’s history, diagnosis, and drugs currently prescribed. (27% – 30%) |
The response accurately and completely describes in detail an appropriate drug therapy plan based on the patient’s history, diagnosis, and drugs currently prescribed. | The response describes a basic explanation of an appropriate drug therapy plan based on the patient’s history, diagnosis, and drugs currently prescribed. | The response inaccurately or vaguely describes an appropriate drug therapy plan based on the patient’s history, diagnosis, and drugs currently prescribed. | The response inaccurately and vaguely describes an appropriate drug therapy plan based on the patient’s history, diagnosis, and drugs currently prescribed. |
| Justify why you would recommend this drug therapy plan for this patient. Be specific and provide examples. (27% – 30%) |
The response provides an accurate, clear, and detailed justification for the recommended drug therapy plan for this patient. The response includes specific, accurate, and detailed examples that fully support the justification provided. | The response provides a basic justification for the recommended drug therapy plan for this patient. The response includes only 1–2 examples that fully support the justification provided. | The response provides an inaccurate or vague justification for the recommended drug therapy plan for this patient. The response may include examples, which may inaccurately or vaguely support the justification provided. | The response provides an inaccurate and vague justification for the recommended drug therapy plan for this patient, or is missing. The response does not include examples that support the justification provided, or is missing. |
| Written Expression and Formatting: Paragraph Development and Organization (5%) |
Paragraphs and sentences follow writing standards for flow, continuity, and clarity. | Paragraphs and sentences follow writing standards for flow, continuity, and clarity 80% of the time. | Paragraphs and sentences follow writing standards for flow, continuity, and clarity 60%–79% of the time. | Paragraphs and sentences follow writing standards for flow, continuity, and clarity less than 60% of the time. |
| Written Expression and Formatting: English Writing Standards (5%) |
Uses correct grammar, spelling, and punctuation with no errors. | Contains a few (1–2) grammar, spelling, and punctuation errors. | Contains several (3–4) grammar, spelling, and punctuation errors. | Contains many (≥ 5) grammar, spelling, and punctuation errors that interfere with the reader’s understanding. |
| Written Expression and Formatting: APA Format (5%) |
Uses correct APA format with no errors. | Contains a few (1–2) APA format errors. | Contains several (3–4) APA format errors. | Contains many (≥ 5) APA format errors. |
Total Points: 100
References
Altaf, S., Tarar, A., & Naeem, N. (2019). Current status of therapeutics and diagnosis of HCV. BioScientific Review, 1(2), 01–12. https://doi.org/10.32350/BSR.0102.01
Caplan, A., Fett, N., Rosenbach, M., Werth, V. P., & Micheletti, R. G. (2017). Prevention and management of glucocorticoid-induced side effects: A comprehensive review: Gastrointestinal and endocrinologic side effects. Journal of the American Academy of Dermatology, 76(2), 201–207. https://doi.org/10.1016/j.jaad.2016.02.1240
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O’Malley, P. A. (2020). Pink prescribing: Bismuth subsalicylate; history, actions, risks, and future use. Clinical Nurse Specialist, 34(2), 45–47. https://doi.org/10.1097/NUR.0000000000000509
Rosenthal, L. D., & Burchum, J. R. (2021). Lehne’s pharmacotherapeutics for advanced practice nurses and physician assistants (2nd ed.). Elsevier.
Basit, H., Tyagi, I., & Koirala, J. (2023). Hepatitis C. In StatPearls. StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK430897/
Sample Paper Writing Notes: Diagnosis and Rationale
Based on the clinical presentation and medication history, the primary differential diagnosis for patient HL is drug-induced gastritis secondary to chronic prednisone use. Prednisone, a corticosteroid, suppresses the synthesis of prostaglandins by inhibiting phospholipase A2 activity, which in turn reduces the production of gastroprotective mucus and bicarbonate in the gastric mucosa. As Caplan and colleagues explain in their review of glucocorticoid-induced side effects, this loss of mucosal defense renders the gastric epithelium vulnerable to injury from physiologic acid exposure, frequently resulting in gastritis or peptic ulceration within the first month of therapy (Caplan et al., 2017). The patient’s symptoms of nausea, vomiting, and diarrhea align with this mechanism, and the absence of RUQ tenderness or jaundice makes acute cholecystitis or biliary colic less probable. A confirmatory HCV RNA PCR test remains necessary to rule out active hepatitis C as a contributing or comorbid condition, since the patient has a history of drug abuse and suspected HCV exposure.
Prednisone and the Timing of Mucosal Injury
Gastric mucosal damage from corticosteroids does not always require prolonged exposure. Research indicates that measurable increases in gastric acid output and reductions in mucosal prostaglandin levels can occur within two to four weeks of initiating oral prednisone at doses as low as 10 mg daily. A 2020 review of the physiological effects of glucocorticoids on the gastrointestinal tract noted that the transformation from gastroprotective to proulcerogenic glucocorticoid action depends heavily on dosing duration, concomitant medications, and individual patient susceptibility factors, including a history of substance use (Filaretova et al., 2020). In HL’s case, the concurrent use of nifedipine introduces an additional variable, since calcium channel blockers have been associated with gingival hyperplasia and, in rare instances, esophageal or gastric mucosal changes that may compound the irritant effects of prednisone on the upper GI lining. Providers should consider ordering a comprehensive metabolic panel, a complete blood count, liver function tests, and a stool antigen assay for H. pylori, given that corticosteroid-induced immunosuppression can facilitate opportunistic colonization by this organism, which is a known contributor to chronic gastritis and ulcer formation.
Bismuth Subsalicylate Selection and Coating Rationale
A question that often arises when students encounter this case is why bismuth subsalicylate would be chosen over a proton pump inhibitor or an H2-receptor antagonist for mucosal protection. The answer lies in its multifaceted mechanism. Beyond forming a physical barrier over eroded gastric epithelium, bismuth subsalicylate stimulates endogenous prostaglandin, mucus, and bicarbonate secretion—actions that directly counteract the pathophysiological insult caused by prednisone. In her analysis of bismuth prescribing practices, O’Malley (2020) emphasizes that bismuth subsalicylate possesses weak antimicrobial activity against H. pylori and can bind bacterial enterotoxins, which makes it a logical choice when diarrhea is part of the symptom cluster. In contrast, proton pump inhibitors primarily suppress acid secretion without restoring the prostaglandin-mediated cytoprotective functions that prednisone has compromised. Students should also note that bismuth subsalicylate carries a risk of salicylate toxicity if used concurrently with other salicylate-containing products, and it may cause temporary darkening of the tongue and stool—a harmless side effect that warrants patient education to prevent unnecessary alarm.
Key considerations for the drug therapy justification:
- Bismuth subsalicylate dosing: 524 mg orally every 30 to 60 minutes as needed, not to exceed 4.2 g in 24 hours, taken with a full glass of water.
- Prednisone should not be discontinued abruptly; a gradual taper under supervision is necessary to avoid adrenal insufficiency, particularly if the patient has been on therapy for more than two weeks.
- Dietary modifications should accompany pharmacotherapy—patients must avoid spicy foods, fried foods, alcohol, and tobacco, all of which independently irritate the gastric mucosa and can compound corticosteroid-induced damage.
- If H. pylori infection is confirmed, quadruple therapy with a PPI, bismuth subsalicylate, tetracycline, and metronidazole for 10 to 14 days represents the guideline-directed approach.
- Write a 1-page paper explaining your diagnosis, drug therapy plan, and clinical justification for a patient presenting with nausea, vomiting, and diarrhea while taking prednisone, Synthroid, and nifedipine.
- Complete a 1-page APA-formatted pharmacotherapy case study analyzing gastrointestinal symptoms in a patient with a history of drug abuse and possible hepatitis C; develop an evidence-based drug therapy plan with rationale.
- Diagnose and design a drug therapy plan for a patient with GI symptoms linked to prednisone use; justify your pharmacotherapeutic choices with specific clinical examples.
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Assignment: NURS 6521 Week 5 – Pharmacotherapy for Neurological Disorders
Week 5 Assignment Preview: In this upcoming assignment, you will examine a decision-tree case study involving a patient with a neurological or musculoskeletal disorder. You will be asked to make three sequential decisions concerning the medication to prescribe at each decision point, justify each choice based on the patient’s presentation and history, and explain how ethical and legal considerations influence your prescribing decisions. The assignment draws on interactive media case studies and requires you to integrate pharmacokinetic and pharmacodynamic principles when evaluating treatment options such as amitriptyline, gabapentin, or selective serotonin reuptake inhibitors for conditions including neuropathic pain, migraine, or depression.
