NR 507 Week 7 Advanced Pathophysiology Quiz 2026 Chamberlain
1. Which of the following is a primary clinical manifestation of nephrotic
syndrome?
A. Gross hematuria
B. Post-streptococcal infection history
C. Reduced serum cholesterol levels
D. Massive proteinuria exceeding 3.5g/day
Answer: D
Rationale: Nephrotic syndrome is characterized by the excretion of 3.5g or more of protein
in the urine per day due to glomerular injury.
2. What is the most common cause of prerenal acute kidney injury?
A. Hypovolemia and decreased renal perfusion
B. Benign prostatic hyperplasia
C. Acute tubular necrosis
D. Nephrotoxic drugs like aminoglycosides
Answer: A
Rationale: Prerenal AKI is caused by impaired renal blood flow, with hypovolemia being
the leading factor.
,3. A patient with chronic kidney disease (CKD) develops anemia. This is primarily
due to a deficiency in:
A. Renin
B. Erythropoietin
C. Vitamin D
D. Aldosterone
Answer: B
Rationale: The kidneys produce erythropoietin; when renal function declines, production
decreases, leading to reduced red blood cell synthesis.
4. In the context of Gastroesophageal Reflux Disease (GERD), what is the main
physiological defect?
A. Excessive gastrin production
B. Hyperchlorhydria
C. Rapid gastric emptying
D. Incompetent lower esophageal sphincter (LES)
Answer: D
Rationale: The primary cause of GERD is the relaxation or weakness of the lower
esophageal sphincter, allowing stomach acid to enter the esophagus.
5. Which type of peptic ulcer is most commonly associated with pain that is
relieved by eating?
A. Gastric ulcer
B. Stress ulcer
C. Esophageal ulcer
D. Duodenal ulcer
Answer: D
Rationale: Duodenal ulcer pain typically occurs when the stomach is empty and is often
relieved by food or antacids.
, 6. What is the pathophysiology behind hepatic encephalopathy?
A. Accumulation of ammonia and other neurotoxins
B. Reduced cerebral blood flow
C. Accumulation of bilirubin in the brain
D. Excessive production of albumin
Answer: A
Rationale: In liver failure, the liver cannot convert ammonia to urea, leading to high levels
that cross the blood-brain barrier.
7. Which marker is most specific for diagnosing acute pancreatitis?
A. Serum amylase
B. Alanine aminotransferase (ALT)
C. Serum lipase
D. Alkaline phosphatase
Answer: C
Rationale: Serum lipase remains elevated longer and is more specific to the pancreas than
amylase for diagnosing acute pancreatitis.
8. Postrenal acute kidney injury is usually caused by:
A. Urinary tract obstruction
B. Glomerulonephritis
C. Myocardial infarction
D. Sepsis
Answer: A
Rationale: Postrenal AKI occurs due to an obstruction below the kidneys, such as kidney
stones or prostatic hypertrophy.
1. Which of the following is a primary clinical manifestation of nephrotic
syndrome?
A. Gross hematuria
B. Post-streptococcal infection history
C. Reduced serum cholesterol levels
D. Massive proteinuria exceeding 3.5g/day
Answer: D
Rationale: Nephrotic syndrome is characterized by the excretion of 3.5g or more of protein
in the urine per day due to glomerular injury.
2. What is the most common cause of prerenal acute kidney injury?
A. Hypovolemia and decreased renal perfusion
B. Benign prostatic hyperplasia
C. Acute tubular necrosis
D. Nephrotoxic drugs like aminoglycosides
Answer: A
Rationale: Prerenal AKI is caused by impaired renal blood flow, with hypovolemia being
the leading factor.
,3. A patient with chronic kidney disease (CKD) develops anemia. This is primarily
due to a deficiency in:
A. Renin
B. Erythropoietin
C. Vitamin D
D. Aldosterone
Answer: B
Rationale: The kidneys produce erythropoietin; when renal function declines, production
decreases, leading to reduced red blood cell synthesis.
4. In the context of Gastroesophageal Reflux Disease (GERD), what is the main
physiological defect?
A. Excessive gastrin production
B. Hyperchlorhydria
C. Rapid gastric emptying
D. Incompetent lower esophageal sphincter (LES)
Answer: D
Rationale: The primary cause of GERD is the relaxation or weakness of the lower
esophageal sphincter, allowing stomach acid to enter the esophagus.
5. Which type of peptic ulcer is most commonly associated with pain that is
relieved by eating?
A. Gastric ulcer
B. Stress ulcer
C. Esophageal ulcer
D. Duodenal ulcer
Answer: D
Rationale: Duodenal ulcer pain typically occurs when the stomach is empty and is often
relieved by food or antacids.
, 6. What is the pathophysiology behind hepatic encephalopathy?
A. Accumulation of ammonia and other neurotoxins
B. Reduced cerebral blood flow
C. Accumulation of bilirubin in the brain
D. Excessive production of albumin
Answer: A
Rationale: In liver failure, the liver cannot convert ammonia to urea, leading to high levels
that cross the blood-brain barrier.
7. Which marker is most specific for diagnosing acute pancreatitis?
A. Serum amylase
B. Alanine aminotransferase (ALT)
C. Serum lipase
D. Alkaline phosphatase
Answer: C
Rationale: Serum lipase remains elevated longer and is more specific to the pancreas than
amylase for diagnosing acute pancreatitis.
8. Postrenal acute kidney injury is usually caused by:
A. Urinary tract obstruction
B. Glomerulonephritis
C. Myocardial infarction
D. Sepsis
Answer: A
Rationale: Postrenal AKI occurs due to an obstruction below the kidneys, such as kidney
stones or prostatic hypertrophy.
