NURS 611 Final Exam V2 | NURS 611
Advanced Pathophysiology | Maryville
University of St. Louis | 2026 Q&A with
Rationale (Maryville NURS611 Final Exam
2026)
1. A 65-year-old male presents with dyspnea on exertion and a history of long-standing
hypertension. Echocardiography reveals a normal ejection fraction but impaired relaxation of
the left ventricle. Which condition is most likely?
A. Heart failure with preserved ejection fraction (HFpEF)
B. Heart failure with reduced ejection fraction (HFrEF)
C. Hypertrophic obstructive cardiomyopathy
D. Dilated cardiomyopathy
Correct Answer: A
Rationale: HFpEF is characterized by clinical signs of heart failure in the presence of a
normal or near-normal ejection fraction. It involves diastolic dysfunction where the left
ventricle is unable to fill adequately due to stiffness or impaired relaxation. This condition
is frequently associated with aging and chronic hypertension.
2. Which process describes the permanent enlargement of the gas-exchange airways
accompanied by the destruction of the alveolar walls without obvious fibrosis?
A. Chronic bronchitis
,B. Bronchiectasis
C. Asthma
D. Emphysema
Correct Answer: D
Rationale: Emphysema involves the destruction of alveolar septa and loss of elastic recoil,
leading to air trapping. This occurs due to an imbalance between proteases and
antiproteases within the lung tissue. Unlike chronic bronchitis, the primary issue is the loss
of surface area for gas exchange rather than mucus production.
3. A patient is diagnosed with Multiple Sclerosis (MS). Which of the following best describes
the underlying pathophysiology of this disorder?
A. Depletion of dopamine in the substantia nigra
B. Degeneration of the lower motor neurons in the spinal cord
C. Demyelination of central nervous system neurons
D. Antibody-mediated destruction of acetylcholine receptors
Correct Answer: C
Rationale: Multiple Sclerosis is an autoimmune disease characterized by inflammation and
demyelination of the central nervous system. The immune system attacks the myelin
sheath, which results in the formation of plaques or scars. This disruption of nerve
impulses leads to various neurological deficits depending on the location of the lesions.
, 4. Which mechanism is primarily responsible for the development of Type 2 Diabetes
Mellitus?
A. Insulin resistance and relative insulin deficiency
B. Absolute deficiency of insulin production
C. Autoimmune destruction of pancreatic beta cells
D. Hypersecretion of glucagon from alpha cells
Correct Answer: A
Rationale: Type 2 Diabetes Mellitus is characterized by the body’s inability to use insulin
effectively, known as insulin resistance. Over time, the pancreas may also fail to produce
sufficient insulin to compensate for this resistance. This differs from Type 1 Diabetes,
which involves the autoimmune destruction of insulin-producing cells.
5. What is the primary pathophysiological driver behind the formation of atherosclerotic
plaques?
A. Vasodilation and increased capillary permeability
B. Hypertrophy of the tunica media in large arteries
C. Venous stasis leading to thrombus formation
D. Endothelial injury and lipid accumulation in the arterial wall
Correct Answer: D
Advanced Pathophysiology | Maryville
University of St. Louis | 2026 Q&A with
Rationale (Maryville NURS611 Final Exam
2026)
1. A 65-year-old male presents with dyspnea on exertion and a history of long-standing
hypertension. Echocardiography reveals a normal ejection fraction but impaired relaxation of
the left ventricle. Which condition is most likely?
A. Heart failure with preserved ejection fraction (HFpEF)
B. Heart failure with reduced ejection fraction (HFrEF)
C. Hypertrophic obstructive cardiomyopathy
D. Dilated cardiomyopathy
Correct Answer: A
Rationale: HFpEF is characterized by clinical signs of heart failure in the presence of a
normal or near-normal ejection fraction. It involves diastolic dysfunction where the left
ventricle is unable to fill adequately due to stiffness or impaired relaxation. This condition
is frequently associated with aging and chronic hypertension.
2. Which process describes the permanent enlargement of the gas-exchange airways
accompanied by the destruction of the alveolar walls without obvious fibrosis?
A. Chronic bronchitis
,B. Bronchiectasis
C. Asthma
D. Emphysema
Correct Answer: D
Rationale: Emphysema involves the destruction of alveolar septa and loss of elastic recoil,
leading to air trapping. This occurs due to an imbalance between proteases and
antiproteases within the lung tissue. Unlike chronic bronchitis, the primary issue is the loss
of surface area for gas exchange rather than mucus production.
3. A patient is diagnosed with Multiple Sclerosis (MS). Which of the following best describes
the underlying pathophysiology of this disorder?
A. Depletion of dopamine in the substantia nigra
B. Degeneration of the lower motor neurons in the spinal cord
C. Demyelination of central nervous system neurons
D. Antibody-mediated destruction of acetylcholine receptors
Correct Answer: C
Rationale: Multiple Sclerosis is an autoimmune disease characterized by inflammation and
demyelination of the central nervous system. The immune system attacks the myelin
sheath, which results in the formation of plaques or scars. This disruption of nerve
impulses leads to various neurological deficits depending on the location of the lesions.
, 4. Which mechanism is primarily responsible for the development of Type 2 Diabetes
Mellitus?
A. Insulin resistance and relative insulin deficiency
B. Absolute deficiency of insulin production
C. Autoimmune destruction of pancreatic beta cells
D. Hypersecretion of glucagon from alpha cells
Correct Answer: A
Rationale: Type 2 Diabetes Mellitus is characterized by the body’s inability to use insulin
effectively, known as insulin resistance. Over time, the pancreas may also fail to produce
sufficient insulin to compensate for this resistance. This differs from Type 1 Diabetes,
which involves the autoimmune destruction of insulin-producing cells.
5. What is the primary pathophysiological driver behind the formation of atherosclerotic
plaques?
A. Vasodilation and increased capillary permeability
B. Hypertrophy of the tunica media in large arteries
C. Venous stasis leading to thrombus formation
D. Endothelial injury and lipid accumulation in the arterial wall
Correct Answer: D
