NURS 522
Advanced
Pathophysiology
II
COMPLETED EXAM
2024
,1. Which of the following mechanisms is NOT involved in the
pathophysiology of chronic obstructive pulmonary disease (COPD)?
a) Inflammation of the bronchi
b) Increased mucus production
c) Destruction of alveoli
d) Decreased airway resistance
Answer: d) Decreased airway resistance
Rationale: COPD is characterized by chronic inflammation of the
bronchi, increased mucus production, and destruction of alveoli.
However, airway resistance is actually increased in COPD due to
structural changes and narrowing of the airways.
2. A patient with heart failure presents with peripheral edema and
breathlessness upon exertion. Which of the following
pathophysiological processes is responsible for these symptoms?
a) Decreased cardiac contractility
b) Pulmonary vasoconstriction
c) Increased systemic vascular resistance
d) Fluid retention
Answer: d) Fluid retention
Rationale: Heart failure leads to fluid retention due to impaired
cardiac function. This excess fluid accumulates in the peripheral
tissues, resulting in edema, and may also cause fluid to back up into
the lungs, leading to breathlessness.
3. Which of the following factors is involved in the development of
insulin resistance in type 2 diabetes?
a) Autoimmune destruction of pancreatic beta cells
b) Impaired insulin secretion
,c) Increased production of adipokines
d) Genetic mutation in insulin receptor
Answer: c) Increased production of adipokines
Rationale: Insulin resistance in type 2 diabetes is primarily caused by
increased production of adipokines (e.g., leptin, resistin) from
adipose tissue. These adipokines interfere with insulin signaling,
leading to reduced glucose uptake by peripheral tissues.
4. What is the primary underlying pathophysiological process in
rheumatoid arthritis (RA)?
a) Excessive production of synovial fluid
b) Autoimmune-mediated joint destruction
c) Formation of immune complexes
d) Deficiency of anti-inflammatory cytokines
Answer: b) Autoimmune-mediated joint destruction
Rationale: RA is an autoimmune disease characterized by chronic
inflammation and destruction of joint tissues. The immune system
perceives the synovial joints as foreign and initiates an immune
response, leading to joint inflammation, synovitis, and ultimately
joint destruction.
5. Which of the following pathophysiological processes is
responsible for the hallmark symptoms of Parkinson's disease?
a) Loss of dopaminergic neurons in the substantia nigra
b) Accumulation of amyloid plaques in the brain
c) Disruption of the blood-brain barrier
d) Oxidative stress and mitochondrial dysfunction
Answer: a) Loss of dopaminergic neurons in the substantia nigra
, Rationale: Parkinson's disease is characterized by the progressive
loss of dopaminergic neurons in the substantia nigra region of the
brain. This leads to a decrease in dopamine levels, which is
responsible for the characteristic motor symptoms such as tremor,
rigidity, bradykinesia, and postural instability.
6. Which of the following factors contributes to the development of
atherosclerosis?
a) Hyperlipidemia
b) Hypertension
c) Smoking
d) All of the above
Answer: d) All of the above
Rationale: Atherosclerosis is a multifactorial disease, and all the
mentioned factors (hyperlipidemia, hypertension, and smoking)
contribute to its development. Hyperlipidemia leads to the
deposition of cholesterol-rich plaques in the arterial walls,
hypertension causes endothelial damage, and smoking promotes
oxidative stress and inflammation.
7. Which of the following describes the pathophysiology of acute
kidney injury (AKI)?
a) Gradual decline in kidney function over several months
b) Acute inflammation of the glomeruli
c) Sudden reduction in renal blood flow or damage to the kidney
tissue
d) Autoimmune destruction of renal tubules
Answer: c) Sudden reduction in renal blood flow or damage to the
kidney tissue
Rationale: AKI is characterized by a sudden reduction in renal blood
Advanced
Pathophysiology
II
COMPLETED EXAM
2024
,1. Which of the following mechanisms is NOT involved in the
pathophysiology of chronic obstructive pulmonary disease (COPD)?
a) Inflammation of the bronchi
b) Increased mucus production
c) Destruction of alveoli
d) Decreased airway resistance
Answer: d) Decreased airway resistance
Rationale: COPD is characterized by chronic inflammation of the
bronchi, increased mucus production, and destruction of alveoli.
However, airway resistance is actually increased in COPD due to
structural changes and narrowing of the airways.
2. A patient with heart failure presents with peripheral edema and
breathlessness upon exertion. Which of the following
pathophysiological processes is responsible for these symptoms?
a) Decreased cardiac contractility
b) Pulmonary vasoconstriction
c) Increased systemic vascular resistance
d) Fluid retention
Answer: d) Fluid retention
Rationale: Heart failure leads to fluid retention due to impaired
cardiac function. This excess fluid accumulates in the peripheral
tissues, resulting in edema, and may also cause fluid to back up into
the lungs, leading to breathlessness.
3. Which of the following factors is involved in the development of
insulin resistance in type 2 diabetes?
a) Autoimmune destruction of pancreatic beta cells
b) Impaired insulin secretion
,c) Increased production of adipokines
d) Genetic mutation in insulin receptor
Answer: c) Increased production of adipokines
Rationale: Insulin resistance in type 2 diabetes is primarily caused by
increased production of adipokines (e.g., leptin, resistin) from
adipose tissue. These adipokines interfere with insulin signaling,
leading to reduced glucose uptake by peripheral tissues.
4. What is the primary underlying pathophysiological process in
rheumatoid arthritis (RA)?
a) Excessive production of synovial fluid
b) Autoimmune-mediated joint destruction
c) Formation of immune complexes
d) Deficiency of anti-inflammatory cytokines
Answer: b) Autoimmune-mediated joint destruction
Rationale: RA is an autoimmune disease characterized by chronic
inflammation and destruction of joint tissues. The immune system
perceives the synovial joints as foreign and initiates an immune
response, leading to joint inflammation, synovitis, and ultimately
joint destruction.
5. Which of the following pathophysiological processes is
responsible for the hallmark symptoms of Parkinson's disease?
a) Loss of dopaminergic neurons in the substantia nigra
b) Accumulation of amyloid plaques in the brain
c) Disruption of the blood-brain barrier
d) Oxidative stress and mitochondrial dysfunction
Answer: a) Loss of dopaminergic neurons in the substantia nigra
, Rationale: Parkinson's disease is characterized by the progressive
loss of dopaminergic neurons in the substantia nigra region of the
brain. This leads to a decrease in dopamine levels, which is
responsible for the characteristic motor symptoms such as tremor,
rigidity, bradykinesia, and postural instability.
6. Which of the following factors contributes to the development of
atherosclerosis?
a) Hyperlipidemia
b) Hypertension
c) Smoking
d) All of the above
Answer: d) All of the above
Rationale: Atherosclerosis is a multifactorial disease, and all the
mentioned factors (hyperlipidemia, hypertension, and smoking)
contribute to its development. Hyperlipidemia leads to the
deposition of cholesterol-rich plaques in the arterial walls,
hypertension causes endothelial damage, and smoking promotes
oxidative stress and inflammation.
7. Which of the following describes the pathophysiology of acute
kidney injury (AKI)?
a) Gradual decline in kidney function over several months
b) Acute inflammation of the glomeruli
c) Sudden reduction in renal blood flow or damage to the kidney
tissue
d) Autoimmune destruction of renal tubules
Answer: c) Sudden reduction in renal blood flow or damage to the
kidney tissue
Rationale: AKI is characterized by a sudden reduction in renal blood
