2026/2027 UTA Exams 1–5 | Complete Study
Guide, Practice Questions, Answers &
Detailed Rationales
NURS 5315 Advanced Pathophysiology 2026/2027 UTA
Exams 1–5 | Complete Study Guide, Practice Questions, Answers & Detailed
Rationales
• comprehensively organized questions covering all major pathophysiologic
concepts tested in UTA's Advanced Pathophysiology course, with evidence-based
rationales to deepen your understanding of disease mechanisms and clinical
applications.
• Use this material by reviewing 10–15 questions daily, focusing on rationales
to identify knowledge gaps, then revisit weak areas before exam day—this
approach builds both recall and conceptual mastery for high-stakes assessments.
QUESTIONS
1. A 58-year-old male with a history of chronic smoking presents with
persistent cough and hemoptysis. A chest X-ray reveals a 3-cm mass in the
right upper lobe. Which pathophysiologic mechanism best explains the
development of this malignancy in response to chronic tobacco smoke
exposure?
A) Allosteric inhibition of tumor suppressor genes
B) Carcinogenic compounds binding to DNA and causing mutations in proto-
oncogenes and tumor suppressor genes
C) Direct activation of apoptotic pathways in bronchial epithelial cells
D) Epigenetic silencing of growth-promoting genes
E) Increased telomerase activity preventing cellular senescence
,✓ CORRECT ANSWER: B) Carcinogenic compounds binding to DNA and causing
mutations in proto-oncogenes and tumor suppressor genes
RATIONALE: Tobacco smoke contains over 4,000 chemical compounds, including
potent carcinogens such as polycyclic aromatic hydrocarbons (PAHs) and
nitrosamines. These compounds undergo metabolic activation to electrophilic
forms that bind covalently to DNA, creating adducts. This DNA damage, if not
properly repaired, results in mutations that activate oncogenes (like KRAS) and
inactivate tumor suppressors (like TP53 and RB). Accumulation of multiple
mutations over time leads to malignant transformation. Option A describes
allosteric inhibition which is not the primary mechanism. Option C describes
apoptosis which would protect against malignancy. Option D (epigenetic silencing)
can occur but is not the primary initiating mechanism in tobacco-related cancers.
Option E describes telomerase, which is a consequence of transformation, not a
cause.
2. A 45-year-old woman with systemic lupus erythematosus (SLE) develops
proteinuria (2.5 g/day) and hematuria. A kidney biopsy shows immune
complex deposition in the basement membrane. Which of the following best
describes the pathophysiologic basis of lupus nephritis?
A) Type I hypersensitivity reaction with IgE-mediated mast cell degranulation
B) Type II hypersensitivity reaction involving complement-fixing antibodies against
basement membrane antigens
C) Type III hypersensitivity reaction with circulating immune complex deposition
D) Type IV hypersensitivity reaction with T-cell infiltration and granuloma formation
E) Direct cytotoxic T-cell attack on glomerular endothelial cells
✓ CORRECT ANSWER: C) Type III hypersensitivity reaction with circulating
immune complex deposition
RATIONALE: Lupus nephritis is a classic example of Type III (immune complex-
mediated) hypersensitivity. In SLE, autoantibodies (anti-dsDNA, anti-histone, anti-
nucleosome) form circulating immune complexes with their respective antigens.
,These complexes deposit in glomeruli, particularly at the basement membrane and
subendothelial spaces. The deposited complexes activate complement (C3, C4),
leading to recruitment of inflammatory cells (neutrophils, macrophages) and
glomerular damage manifesting as hematuria and proteinuria. Option A describes
Type I immediate hypersensitivity. Option B describes Type II, which is seen in
Goodpasture syndrome (anti-GBM disease). Option D describes Type IV cell-
mediated hypersensitivity. Option E describes direct cytotoxic mechanisms not
typical of lupus nephritis.
3. A 52-year-old male with chronic kidney disease (GFR 25 mL/min) presents
with severe hypertension (BP 185/115 mmHg) and anemia (Hgb 8.5 g/dL).
Which pathophysiologic mechanism best explains the anemia in this patient?
A) Decreased intrinsic factor production leading to vitamin B12 malabsorption
B) Impaired erythropoietin (EPO) synthesis by the kidney combined with shortened
red blood cell lifespan
C) Iron sequestration in the reticuloendothelial system due to chronic infection
D) Autoimmune destruction of hematopoietic precursors in bone marrow
E) Hemolysis secondary to microthrombi formation in renal vessels
✓ CORRECT ANSWER: B) Impaired erythropoietin (EPO) synthesis by the kidney
combined with shortened red blood cell lifespan
RATIONALE: In chronic kidney disease, the kidneys—primary producers of
erythropoietin—lose function, resulting in decreased EPO secretion. EPO normally
stimulates erythropoiesis in response to tissue hypoxia; its deficiency leads to
reduced RBC production. Additionally, uremia (accumulation of uremic toxins)
shortens RBC lifespan through both direct toxicity and increased hemolysis. This
combination—decreased production and increased destruction—results in
normocytic, normochromic anemia. Option A describes pernicious anemia (vitamin
B12 deficiency). Option C describes anemia of chronic disease related to hepcidin
elevation. Option D describes pure red cell aplasia (autoimmune). Option E
, describes microangiopathic hemolytic anemia, which can occur but is not the
primary mechanism in straightforward CKD anemia.
4. A 34-year-old female with Graves' disease presents with tachycardia (HR
118), tremor, heat intolerance, and ophthalmopathy. Which pathophysiologic
mechanism explains the development of Graves' ophthalmopathy?
A) Direct destruction of extraocular muscles by complement-mediated cytotoxicity
B) TSH receptor antibody-mediated activation of orbital fibroblasts and
preadipocytes, causing inflammation, edema, and immune infiltration
C) Bacterial infection of the lacrimal gland leading to chronic inflammation
D) Mechanical compression of the optic nerve by thyroid tissue enlargement
E) Autoimmune attack on müller cells in the retina causing vision loss
✓ CORRECT ANSWER: B) TSH receptor antibody-mediated activation of orbital
fibroblasts and preadipocytes, causing inflammation, edema, and immune
infiltration
RATIONALE: Graves' ophthalmopathy (GO) is an autoimmune condition distinct
from hyperthyroidism alone. TSH receptor (TSHR) antibodies not only stimulate the
thyroid but also cross-react with TSHR expressed on orbital fibroblasts and
preadipocytes. Antibody binding activates these cells, triggering proliferation,
hyaluronic acid synthesis, inflammatory cytokine release, and immune cell
infiltration (T cells, B cells, macrophages). This leads to orbital tissue inflammation,
edema, and fibrosis, causing proptosis, diplopia, and lid retraction. Option A
describes complement-mediated attack (not the primary mechanism). Option C
describes infectious causes (not autoimmune Graves'). Option D describes
mechanical obstruction (not the immunologic basis). Option E describes retinal
pathology unrelated to GO.