1
ADVANCED PATHOPHYSIOLOGY WITH THE VERIFIED QUIZ BANK – NSG
5003 (WEEKS 1–10 KNOWLEDGE CHECKS) SOUTH UNIVERSITY
COMPLETE Q&A 2025 EDITION
1.
A 68-year-old patient with a long history of poorly controlled hypertension
presents with increasing fatigue, peripheral edema, and shortness of breath when
lying flat. Laboratory studies reveal an elevated serum creatinine and reduced
estimated glomerular filtration rate. The provider explains that chronic vascular
injury has progressively altered renal structure and function. Which
pathophysiologic process best explains the patient's declining renal function?
A. Increased renal perfusion caused by chronic vasodilation
B. Progressive nephron loss with compensatory hyperfiltration of remaining
nephrons
C. Increased erythropoietin production causing renal hypertrophy
D. Reversible tubular dilation caused by increased sodium excretion
Answer: B
2.
A 54-year-old patient develops weakness, diaphoresis, and confusion several
hours after receiving insulin for diabetes mellitus. The patient's serum glucose is
markedly decreased. Which physiologic response would normally occur first as the
body attempts to restore glucose availability?
A. Suppression of glucagon secretion
B. Increased insulin secretion from pancreatic beta cells
C. Increased glucagon and catecholamine activity promoting glucose availability
D. Increased cellular glucose uptake by skeletal muscle
Answer: C
3.
,2
A patient with severe bacterial pneumonia develops fever, tachycardia,
hypotension, and an elevated serum lactate concentration. The inflammatory
response becomes systemic and produces widespread endothelial dysfunction
and altered tissue perfusion. Which condition best describes this pathophysiologic
state?
A. Systemic inflammatory response with distributive circulatory dysfunction
B. Isolated localized inflammation without systemic involvement
C. Chronic compensatory hypertrophy of vascular smooth muscle
D. Primary respiratory alkalosis without circulatory impairment
Answer: A
4.
A 42-year-old patient has recurrent episodes of wheezing, chest tightness, and
coughing after exposure to environmental allergens. During an acute episode,
airway smooth-muscle contraction, mucosal edema, and increased mucus
production occur. Which mechanism most directly contributes to the patient's
airflow limitation?
A. Destruction of alveolar septa
B. Loss of pulmonary surfactant
C. Permanent dilation of the bronchi
D. Reversible bronchoconstriction with airway inflammation
Answer: D
5.
A patient with longstanding diabetes mellitus develops decreased sensation in
both feet. The provider explains that chronic hyperglycemia causes biochemical
and vascular changes that injure peripheral nerves. Which mechanism is most
closely associated with this complication?
A. Chronic metabolic injury and microvascular dysfunction affecting nerve tissue
B. Acute destruction of motor neurons by circulating antibodies
,3
C. Increased insulin sensitivity within peripheral nerves
D. Excessive regeneration of damaged Schwann cells
Answer: A
6.
A 35-year-old patient develops sudden right-sided weakness and difficulty
speaking. Imaging confirms an ischemic cerebral infarction caused by interruption
of blood flow to a region of the brain. Which cellular event is primarily responsible
for neuronal injury during prolonged ischemia?
A. Increased aerobic ATP production
B. Increased oxygen delivery to neurons
C. ATP depletion with failure of membrane ion pumps and cellular swelling
D. Suppression of excitatory neurotransmitter release
Answer: C
7.
A patient with chronic liver disease develops abdominal distention, peripheral
edema, and splenomegaly. Laboratory testing demonstrates decreased serum
albumin and imaging reveals increased portal venous pressure. Which
pathophysiologic mechanism contributes most directly to the development of
ascites?
A. Increased plasma oncotic pressure
B. Increased portal hydrostatic pressure combined with reduced plasma oncotic
pressure
C. Decreased hepatic venous resistance
D. Increased renal sodium excretion
Answer: B
8.
A 71-year-old patient develops progressive cognitive impairment, difficulty
managing finances, and increasing dependence with activities of daily living.
, 4
Neurodegenerative changes are suspected. Which general pathophysiologic
principle best explains progressive loss of neurologic function in
neurodegenerative disease?
A. Excessive regeneration of mature neurons
B. Increased cerebral oxygen utilization
C. Permanent enhancement of synaptic plasticity
D. Progressive neuronal dysfunction and cell loss
Answer: D
9.
A patient with rheumatoid arthritis experiences chronic joint inflammation,
morning stiffness, and progressive joint deformity. The provider explains that the
disease results from an abnormal immune response against self-tissues. Which
category best describes this mechanism?
A. Autoimmune-mediated tissue injury
B. Passive immunity
C. Immunodeficiency caused exclusively by nutritional deficiency
D. Immediate hypersensitivity caused only by environmental allergens
Answer: A
10.
A 24-year-old patient develops urticaria, wheezing, facial swelling, and
hypotension shortly after exposure to a known allergen. Which immunologic
mechanism is most characteristic of this acute reaction?
A. T-cell destruction of infected cells
B. Immune-complex deposition in blood vessels
C. IgE-mediated mast-cell activation with mediator release
D. Delayed macrophage-mediated tissue injury
Answer: C
11.
ADVANCED PATHOPHYSIOLOGY WITH THE VERIFIED QUIZ BANK – NSG
5003 (WEEKS 1–10 KNOWLEDGE CHECKS) SOUTH UNIVERSITY
COMPLETE Q&A 2025 EDITION
1.
A 68-year-old patient with a long history of poorly controlled hypertension
presents with increasing fatigue, peripheral edema, and shortness of breath when
lying flat. Laboratory studies reveal an elevated serum creatinine and reduced
estimated glomerular filtration rate. The provider explains that chronic vascular
injury has progressively altered renal structure and function. Which
pathophysiologic process best explains the patient's declining renal function?
A. Increased renal perfusion caused by chronic vasodilation
B. Progressive nephron loss with compensatory hyperfiltration of remaining
nephrons
C. Increased erythropoietin production causing renal hypertrophy
D. Reversible tubular dilation caused by increased sodium excretion
Answer: B
2.
A 54-year-old patient develops weakness, diaphoresis, and confusion several
hours after receiving insulin for diabetes mellitus. The patient's serum glucose is
markedly decreased. Which physiologic response would normally occur first as the
body attempts to restore glucose availability?
A. Suppression of glucagon secretion
B. Increased insulin secretion from pancreatic beta cells
C. Increased glucagon and catecholamine activity promoting glucose availability
D. Increased cellular glucose uptake by skeletal muscle
Answer: C
3.
,2
A patient with severe bacterial pneumonia develops fever, tachycardia,
hypotension, and an elevated serum lactate concentration. The inflammatory
response becomes systemic and produces widespread endothelial dysfunction
and altered tissue perfusion. Which condition best describes this pathophysiologic
state?
A. Systemic inflammatory response with distributive circulatory dysfunction
B. Isolated localized inflammation without systemic involvement
C. Chronic compensatory hypertrophy of vascular smooth muscle
D. Primary respiratory alkalosis without circulatory impairment
Answer: A
4.
A 42-year-old patient has recurrent episodes of wheezing, chest tightness, and
coughing after exposure to environmental allergens. During an acute episode,
airway smooth-muscle contraction, mucosal edema, and increased mucus
production occur. Which mechanism most directly contributes to the patient's
airflow limitation?
A. Destruction of alveolar septa
B. Loss of pulmonary surfactant
C. Permanent dilation of the bronchi
D. Reversible bronchoconstriction with airway inflammation
Answer: D
5.
A patient with longstanding diabetes mellitus develops decreased sensation in
both feet. The provider explains that chronic hyperglycemia causes biochemical
and vascular changes that injure peripheral nerves. Which mechanism is most
closely associated with this complication?
A. Chronic metabolic injury and microvascular dysfunction affecting nerve tissue
B. Acute destruction of motor neurons by circulating antibodies
,3
C. Increased insulin sensitivity within peripheral nerves
D. Excessive regeneration of damaged Schwann cells
Answer: A
6.
A 35-year-old patient develops sudden right-sided weakness and difficulty
speaking. Imaging confirms an ischemic cerebral infarction caused by interruption
of blood flow to a region of the brain. Which cellular event is primarily responsible
for neuronal injury during prolonged ischemia?
A. Increased aerobic ATP production
B. Increased oxygen delivery to neurons
C. ATP depletion with failure of membrane ion pumps and cellular swelling
D. Suppression of excitatory neurotransmitter release
Answer: C
7.
A patient with chronic liver disease develops abdominal distention, peripheral
edema, and splenomegaly. Laboratory testing demonstrates decreased serum
albumin and imaging reveals increased portal venous pressure. Which
pathophysiologic mechanism contributes most directly to the development of
ascites?
A. Increased plasma oncotic pressure
B. Increased portal hydrostatic pressure combined with reduced plasma oncotic
pressure
C. Decreased hepatic venous resistance
D. Increased renal sodium excretion
Answer: B
8.
A 71-year-old patient develops progressive cognitive impairment, difficulty
managing finances, and increasing dependence with activities of daily living.
, 4
Neurodegenerative changes are suspected. Which general pathophysiologic
principle best explains progressive loss of neurologic function in
neurodegenerative disease?
A. Excessive regeneration of mature neurons
B. Increased cerebral oxygen utilization
C. Permanent enhancement of synaptic plasticity
D. Progressive neuronal dysfunction and cell loss
Answer: D
9.
A patient with rheumatoid arthritis experiences chronic joint inflammation,
morning stiffness, and progressive joint deformity. The provider explains that the
disease results from an abnormal immune response against self-tissues. Which
category best describes this mechanism?
A. Autoimmune-mediated tissue injury
B. Passive immunity
C. Immunodeficiency caused exclusively by nutritional deficiency
D. Immediate hypersensitivity caused only by environmental allergens
Answer: A
10.
A 24-year-old patient develops urticaria, wheezing, facial swelling, and
hypotension shortly after exposure to a known allergen. Which immunologic
mechanism is most characteristic of this acute reaction?
A. T-cell destruction of infected cells
B. Immune-complex deposition in blood vessels
C. IgE-mediated mast-cell activation with mediator release
D. Delayed macrophage-mediated tissue injury
Answer: C
11.
