Updated NURS 5315 Advanced
Pathophysiology UTA Exam 1
Updated NURS 5315 Advanced
Pathophysiology UTA Exam 1 2025
Updated Version Actual Questions And
Correct Detailed Answers
,1.Which of the followwing is the primary mechanism of action for
angiotensin Il in the pathophysiology of hypertension?
A) Increased renal sodium excretion
B) Vasoconstriction and aldosterone release
C) Decreased sympathetic nervous system activity
D) Inhibition of renin secretion
Answer: B) Vasoconstriction and aldosterone release
Rationale: Angiotensin II primarily causes vasoconstriction, which increases
systemic vascular resistance. It also stimulates the release of aldosterone from
the adrenal glands, leading to sodium retention,which in turn increases blood
volume and blood pressure.These actions contribute significantly to the
pathophysiology of hypertension.
2. In the context of diabetes mellitus, what is the major
pathophysiological cause of microvascular complications like
retinopathy and nephropathy?
A) Increased blood glucose leading to the formation of advanced
glycation end-products (AGEs)
B) Overactivity of the sympathetic nervous system
C) Autoimmune destruction of pancreatic beta cells
D) Decreased insulin sensitivity in peripheral tissues
Answer: A) Increased blood glucose leading to the formation of
advanced glycation end-products (AGEs)
Rationale: Chronic hyperglycemia leads to the formation of AGEs, which are
involved in the pathogenesis of microvascular complications. AGEs accumulate in
tissues like the retina and kidneys, promoting
, inflammation, fibrosis, and endothelial dysfunction, contributing to
conditions such as diabetic retinopathy and nephropathy.
3.Which of the following is a primary pathophysiological feature of chronic
obstructive pulmonary disease(COPD)?
A) Hyperplasia of bronchial goblet cells and increased mucus production
B) Decreased production of surfactant
C) Enhanced ciliary movement and airway clearance
D) Overexpression of interleukin-10 (IL-10)
Answer: A) Hyperplasia of bronchial goblet cells and increased mucus
production
Rationale: COPD is characterized by airflow limitation and inflammation,which
lead to structural changes in the airways. The hyperplasia of goblet cells and
subsequent increased mucus production contribute to the chronic cough and
sputum production seen in COPD.This impairs airflow and increases the risk of
infections and exacerbations.
4.In the pathophysiology of atherosclerosis, which of the following is a key
event in the formation of atherosclerotic plaques?
A) Endothelial injury leading to increased permeability
B) Decreased low-density lipoprotein (LDL) levels
C) Decreased platelet aggregation
D) Increased nitric oxide production by smooth muscle cells
Answer: A) Endothelial injury leading to increased permeability
Rationale: The pathogenesis of atherosclerosis begins with endothelial injury,
which increases the permeability of the endothelium, allowing
Pathophysiology UTA Exam 1
Updated NURS 5315 Advanced
Pathophysiology UTA Exam 1 2025
Updated Version Actual Questions And
Correct Detailed Answers
,1.Which of the followwing is the primary mechanism of action for
angiotensin Il in the pathophysiology of hypertension?
A) Increased renal sodium excretion
B) Vasoconstriction and aldosterone release
C) Decreased sympathetic nervous system activity
D) Inhibition of renin secretion
Answer: B) Vasoconstriction and aldosterone release
Rationale: Angiotensin II primarily causes vasoconstriction, which increases
systemic vascular resistance. It also stimulates the release of aldosterone from
the adrenal glands, leading to sodium retention,which in turn increases blood
volume and blood pressure.These actions contribute significantly to the
pathophysiology of hypertension.
2. In the context of diabetes mellitus, what is the major
pathophysiological cause of microvascular complications like
retinopathy and nephropathy?
A) Increased blood glucose leading to the formation of advanced
glycation end-products (AGEs)
B) Overactivity of the sympathetic nervous system
C) Autoimmune destruction of pancreatic beta cells
D) Decreased insulin sensitivity in peripheral tissues
Answer: A) Increased blood glucose leading to the formation of
advanced glycation end-products (AGEs)
Rationale: Chronic hyperglycemia leads to the formation of AGEs, which are
involved in the pathogenesis of microvascular complications. AGEs accumulate in
tissues like the retina and kidneys, promoting
, inflammation, fibrosis, and endothelial dysfunction, contributing to
conditions such as diabetic retinopathy and nephropathy.
3.Which of the following is a primary pathophysiological feature of chronic
obstructive pulmonary disease(COPD)?
A) Hyperplasia of bronchial goblet cells and increased mucus production
B) Decreased production of surfactant
C) Enhanced ciliary movement and airway clearance
D) Overexpression of interleukin-10 (IL-10)
Answer: A) Hyperplasia of bronchial goblet cells and increased mucus
production
Rationale: COPD is characterized by airflow limitation and inflammation,which
lead to structural changes in the airways. The hyperplasia of goblet cells and
subsequent increased mucus production contribute to the chronic cough and
sputum production seen in COPD.This impairs airflow and increases the risk of
infections and exacerbations.
4.In the pathophysiology of atherosclerosis, which of the following is a key
event in the formation of atherosclerotic plaques?
A) Endothelial injury leading to increased permeability
B) Decreased low-density lipoprotein (LDL) levels
C) Decreased platelet aggregation
D) Increased nitric oxide production by smooth muscle cells
Answer: A) Endothelial injury leading to increased permeability
Rationale: The pathogenesis of atherosclerosis begins with endothelial injury,
which increases the permeability of the endothelium, allowing
