NSG 3280 Pathophysiology Exam 4 Review Galen
College of Nursing Actual Exam 2026/2027 |
Complete Exam-Style Questions with Detailed
Rationales | Pass Guaranteed – A+ Graded
SECTION 1: ENDOCRINE PATHOPHYSIOLOGY (Diabetes Mellitus,
Thyroid Disorders, Adrenal Disorders)
Q1: A 14-year-old patient presents with polyuria, polydipsia, weight loss, and a blood
glucose of 420 mg/dL. Laboratory analysis reveals the presence of ketone bodies in the
urine. What is the primary pathological process responsible for this patient's condition?
A. Progressive beta-cell dysfunction with insulin resistance
B. Autoimmune destruction of beta cells in the pancreas [CORRECT]
C. Excessive glucagon secretion from alpha cells
D. Insulin receptor mutation in target tissues
Correct Answer: B
Rationale: Correct because Type 1 diabetes mellitus is characterized by autoimmune
destruction of beta cells in the pancreas, leading to absolute insulin deficiency. This
matches NSG 3280 Exam 4 content on endocrine pathophysiology. The presence of
ketone bodies and the patient's age are consistent with Type 1 DM pathophysiology.
Q2: A patient with Type 1 diabetes presents with Kussmaul respirations and an acetone
odor on the breath. Which biochemical feature is the hallmark of this metabolic
complication?
,A. Lactic acid accumulation from anaerobic metabolism
B. Ketone bodies resulting from fatty acid metabolism [CORRECT]
C. Excessive bicarbonate retention
D. Accumulation of pyruvic acid
Correct Answer: B
Rationale: Correct because the hallmark biochemical feature of diabetic ketoacidosis
(DKA) is the presence of ketone bodies resulting from fatty acid metabolism in the
absence of sufficient glucose uptake. The pathophysiologic mechanism involves the
body breaking down fats for energy, producing ketones that cause metabolic acidosis.
Q3: Which HLA associations are most strongly linked to the genetic predisposition for
Type 1 diabetes mellitus?
A. HLA-B27 and HLA-DR2
B. HLA-DR3 and HLA-DR4 [CORRECT]
C. HLA-A1 and HLA-B8
D. HLA-DQ2 and HLA-DQ8
Correct Answer: B
Rationale: Correct because Type 1 diabetes is associated with a strong genetic
predisposition linked to HLA-DR3 and HLA-DR4. The diagnostic finding indicates an
autoimmune etiology, and this matches NSG 3280 Exam 4 content on endocrine
pathophysiology.
Q4: A 52-year-old obese patient is newly diagnosed with Type 2 diabetes mellitus. Which
pathological process best describes the underlying mechanism of this disease?
A. Autoimmune destruction of pancreatic beta cells
B. Insulin resistance in target tissues combined with relative insulin deficiency
[CORRECT]
, C. Complete absence of insulin production
D. Excessive cortisol-induced hyperglycemia
Correct Answer: B
Rationale: Correct because in Type 2 diabetes mellitus, the pathology involves insulin
resistance in target tissues (liver, muscle, adipose tissue) combined with relative insulin
deficiency due to beta-cell dysfunction. The pathophysiologic mechanism explains why
this patient, who is obese, developed Type 2 DM.
Q5: A patient with long-standing Type 2 diabetes develops diabetic retinopathy and
nephropathy. What is the primary pathophysiological mechanism causing these
microvascular complications?
A. Acute hyperglycemic episodes causing osmotic damage
B. Chronic hyperglycemia leading to microvascular damage [CORRECT]
C. Autoimmune attack on retinal and renal tissues
D. Insulin deficiency causing tissue hypoxia
Correct Answer: B
Rationale: Correct because complications such as diabetic retinopathy, nephropathy,
and neuropathy result from chronic hyperglycemia leading to microvascular damage,
which includes thickening of capillary basement membranes and endothelial
dysfunction. This matches NSG 3280 Exam 4 content.
Q6: A patient presents with exophthalmos, pretibial myxedema, tachycardia, heat
intolerance, and weight loss. Which autoantibody is responsible for causing this
condition?
A. Thyroid peroxidase antibodies
B. Thyroid-stimulating immunoglobulins (TSI) [CORRECT]
College of Nursing Actual Exam 2026/2027 |
Complete Exam-Style Questions with Detailed
Rationales | Pass Guaranteed – A+ Graded
SECTION 1: ENDOCRINE PATHOPHYSIOLOGY (Diabetes Mellitus,
Thyroid Disorders, Adrenal Disorders)
Q1: A 14-year-old patient presents with polyuria, polydipsia, weight loss, and a blood
glucose of 420 mg/dL. Laboratory analysis reveals the presence of ketone bodies in the
urine. What is the primary pathological process responsible for this patient's condition?
A. Progressive beta-cell dysfunction with insulin resistance
B. Autoimmune destruction of beta cells in the pancreas [CORRECT]
C. Excessive glucagon secretion from alpha cells
D. Insulin receptor mutation in target tissues
Correct Answer: B
Rationale: Correct because Type 1 diabetes mellitus is characterized by autoimmune
destruction of beta cells in the pancreas, leading to absolute insulin deficiency. This
matches NSG 3280 Exam 4 content on endocrine pathophysiology. The presence of
ketone bodies and the patient's age are consistent with Type 1 DM pathophysiology.
Q2: A patient with Type 1 diabetes presents with Kussmaul respirations and an acetone
odor on the breath. Which biochemical feature is the hallmark of this metabolic
complication?
,A. Lactic acid accumulation from anaerobic metabolism
B. Ketone bodies resulting from fatty acid metabolism [CORRECT]
C. Excessive bicarbonate retention
D. Accumulation of pyruvic acid
Correct Answer: B
Rationale: Correct because the hallmark biochemical feature of diabetic ketoacidosis
(DKA) is the presence of ketone bodies resulting from fatty acid metabolism in the
absence of sufficient glucose uptake. The pathophysiologic mechanism involves the
body breaking down fats for energy, producing ketones that cause metabolic acidosis.
Q3: Which HLA associations are most strongly linked to the genetic predisposition for
Type 1 diabetes mellitus?
A. HLA-B27 and HLA-DR2
B. HLA-DR3 and HLA-DR4 [CORRECT]
C. HLA-A1 and HLA-B8
D. HLA-DQ2 and HLA-DQ8
Correct Answer: B
Rationale: Correct because Type 1 diabetes is associated with a strong genetic
predisposition linked to HLA-DR3 and HLA-DR4. The diagnostic finding indicates an
autoimmune etiology, and this matches NSG 3280 Exam 4 content on endocrine
pathophysiology.
Q4: A 52-year-old obese patient is newly diagnosed with Type 2 diabetes mellitus. Which
pathological process best describes the underlying mechanism of this disease?
A. Autoimmune destruction of pancreatic beta cells
B. Insulin resistance in target tissues combined with relative insulin deficiency
[CORRECT]
, C. Complete absence of insulin production
D. Excessive cortisol-induced hyperglycemia
Correct Answer: B
Rationale: Correct because in Type 2 diabetes mellitus, the pathology involves insulin
resistance in target tissues (liver, muscle, adipose tissue) combined with relative insulin
deficiency due to beta-cell dysfunction. The pathophysiologic mechanism explains why
this patient, who is obese, developed Type 2 DM.
Q5: A patient with long-standing Type 2 diabetes develops diabetic retinopathy and
nephropathy. What is the primary pathophysiological mechanism causing these
microvascular complications?
A. Acute hyperglycemic episodes causing osmotic damage
B. Chronic hyperglycemia leading to microvascular damage [CORRECT]
C. Autoimmune attack on retinal and renal tissues
D. Insulin deficiency causing tissue hypoxia
Correct Answer: B
Rationale: Correct because complications such as diabetic retinopathy, nephropathy,
and neuropathy result from chronic hyperglycemia leading to microvascular damage,
which includes thickening of capillary basement membranes and endothelial
dysfunction. This matches NSG 3280 Exam 4 content.
Q6: A patient presents with exophthalmos, pretibial myxedema, tachycardia, heat
intolerance, and weight loss. Which autoantibody is responsible for causing this
condition?
A. Thyroid peroxidase antibodies
B. Thyroid-stimulating immunoglobulins (TSI) [CORRECT]
