NR507 Advanced Pathophysiology
Midterm | Cardiac, Pulmonary,
Hematology & Renal | Questions &
Answers | Latest Update 2026 | Exam
Prep | Graded A+
1. Describe how macrophages and dendritic cells contribute to the activation of
memory T cells in the immune response.
Macrophages and dendritic cells only function in the initial immune
response, not in memory T cell activation.
Memory T cells independently recognize pathogens without the help
of antigen-presenting cells.
Macrophages and dendritic cells process antigens and present them
to memory T cells, which helps initiate a rapid secondary immune
response.
Macrophages and dendritic cells destroy pathogens directly without
involving T cells.
2. Describe the role of tubular reabsorption in urine formation.
Tubular reabsorption involves the movement of water and solutes
from the renal tubules back into the bloodstream.
Tubular reabsorption is the process of filtering blood in the
glomerulus.
Tubular reabsorption occurs only in the collecting duct.
Tubular reabsorption eliminates waste products from the body.
3. Which of the following are the primary regulatory mechanisms for blood
pressure?
, renin, aldosterone, adrenaline
antidiuretic hormone, adrenaline and aldosterone
adrenaline, aldosterone, angiotensin
angiotensin, aldosterone, renin
4. If a patient has a blockage in the renal artery, what physiological effect might
this have on kidney function?
Reduced blood flow to the kidney
Increased urine production
Improved oxygen delivery to the kidney
Enhanced filtration rate
5. Sympathetic stimulation of the heart increases contractility and what?
Oxygen consumption
Heart rate
ATP metabolism
All of the above
6. If a patient with renal calculi experiences severe pain and infection, which
combination of treatments would be most appropriate?
Pain management and infection eradication
Surgery and hormone replacement therapy
Ultrasound destruction and chemotherapy
Pain management and radiation therapy
7. Secondary hypertension may be caused by:
, Renal disease
Renal artery stenosis
Adrenal adenoma
Phaeochromocytoma
All of the above
8. If a patient has a significantly low erythrocyte count, what physiological
consequence might they experience?
Enhanced nutrient absorption in the intestines
Increased carbon dioxide levels in the blood
Reduced oxygen delivery to tissues
Improved immune response
9. What is the first step in the urine formation process?
Glomerular filtration
Tubular reabsorption
Concentration
Tubular secretion
10. Describe the role of hypoxia in the process of erythropoiesis.
Hypoxia stimulates the kidneys to produce erythropoietin, which
promotes the formation of red blood cells.
Hypoxia has no effect on red blood cell production.
Hypoxia directly causes the destruction of red blood cells.
Hypoxia decreases red blood cell production by the liver.
, 11. What effect does an increase in blood volume have on arterial walls?
Reduces pressure
Decreases elasticity
Increases diameter
Exerts more force
12. If a patient has dilated cardiomyopathy, which aspect of Laplace's Law would
be most relevant to their condition?
Decreased wall tension due to reduced chamber radius.
Increased wall tension due to increased chamber radius.
Decreased pressure leading to reduced wall tension.
Constant wall tension regardless of chamber size.
13. Describe the significance of the renal medulla in kidney function.
The renal medulla is responsible for the production of red blood
cells.
The renal medulla produces hormones that regulate blood pressure.
The renal medulla plays a crucial role in concentrating urine and
regulating water balance.
The renal medulla is primarily involved in blood filtration.
14. What is the primary role of the hydrostatic pressure of blood in glomerular
capillaries in the process of glomerular filtration?
To facilitate reabsorption
To create a concentration gradient
To oppose filtration
Midterm | Cardiac, Pulmonary,
Hematology & Renal | Questions &
Answers | Latest Update 2026 | Exam
Prep | Graded A+
1. Describe how macrophages and dendritic cells contribute to the activation of
memory T cells in the immune response.
Macrophages and dendritic cells only function in the initial immune
response, not in memory T cell activation.
Memory T cells independently recognize pathogens without the help
of antigen-presenting cells.
Macrophages and dendritic cells process antigens and present them
to memory T cells, which helps initiate a rapid secondary immune
response.
Macrophages and dendritic cells destroy pathogens directly without
involving T cells.
2. Describe the role of tubular reabsorption in urine formation.
Tubular reabsorption involves the movement of water and solutes
from the renal tubules back into the bloodstream.
Tubular reabsorption is the process of filtering blood in the
glomerulus.
Tubular reabsorption occurs only in the collecting duct.
Tubular reabsorption eliminates waste products from the body.
3. Which of the following are the primary regulatory mechanisms for blood
pressure?
, renin, aldosterone, adrenaline
antidiuretic hormone, adrenaline and aldosterone
adrenaline, aldosterone, angiotensin
angiotensin, aldosterone, renin
4. If a patient has a blockage in the renal artery, what physiological effect might
this have on kidney function?
Reduced blood flow to the kidney
Increased urine production
Improved oxygen delivery to the kidney
Enhanced filtration rate
5. Sympathetic stimulation of the heart increases contractility and what?
Oxygen consumption
Heart rate
ATP metabolism
All of the above
6. If a patient with renal calculi experiences severe pain and infection, which
combination of treatments would be most appropriate?
Pain management and infection eradication
Surgery and hormone replacement therapy
Ultrasound destruction and chemotherapy
Pain management and radiation therapy
7. Secondary hypertension may be caused by:
, Renal disease
Renal artery stenosis
Adrenal adenoma
Phaeochromocytoma
All of the above
8. If a patient has a significantly low erythrocyte count, what physiological
consequence might they experience?
Enhanced nutrient absorption in the intestines
Increased carbon dioxide levels in the blood
Reduced oxygen delivery to tissues
Improved immune response
9. What is the first step in the urine formation process?
Glomerular filtration
Tubular reabsorption
Concentration
Tubular secretion
10. Describe the role of hypoxia in the process of erythropoiesis.
Hypoxia stimulates the kidneys to produce erythropoietin, which
promotes the formation of red blood cells.
Hypoxia has no effect on red blood cell production.
Hypoxia directly causes the destruction of red blood cells.
Hypoxia decreases red blood cell production by the liver.
, 11. What effect does an increase in blood volume have on arterial walls?
Reduces pressure
Decreases elasticity
Increases diameter
Exerts more force
12. If a patient has dilated cardiomyopathy, which aspect of Laplace's Law would
be most relevant to their condition?
Decreased wall tension due to reduced chamber radius.
Increased wall tension due to increased chamber radius.
Decreased pressure leading to reduced wall tension.
Constant wall tension regardless of chamber size.
13. Describe the significance of the renal medulla in kidney function.
The renal medulla is responsible for the production of red blood
cells.
The renal medulla produces hormones that regulate blood pressure.
The renal medulla plays a crucial role in concentrating urine and
regulating water balance.
The renal medulla is primarily involved in blood filtration.
14. What is the primary role of the hydrostatic pressure of blood in glomerular
capillaries in the process of glomerular filtration?
To facilitate reabsorption
To create a concentration gradient
To oppose filtration
