NR507 ADVANCED PATHOPHYSIOLOGY FINAL
COMPREHENSIVE EXAM 2026: VERIFIED
QUESTIONS & ANSWERS | DETAILED RATIONALES,
COMPLETE STUDY GUIDE & ADVANCED NURSING
EXAM PREPARATION
SECTION A: CELLULAR PATHOPHYSIOLOGY AND GENETICS
Questions 1-15
1. A 45-year-old male presents with fatigue and shortness of breath. Laboratory findings
reveal macrocytic anemia with hypersegmented neutrophils. Which of the following
cellular mechanisms is most likely responsible for this patient's condition?
A. Impaired DNA synthesis due to vitamin B12 deficiency
B. Decreased iron absorption in the duodenum
C. Increased erythrocyte destruction in the spleen
D. Reduced erythropoietin production by the kidneys
Answer: A
2. In a patient with chronic obstructive pulmonary disease, which of the following
compensatory mechanisms would most likely be activated to maintain acid-base balance?
A. Increased renal reabsorption of bicarbonate
,B. Decreased respiratory rate
C. Increased excretion of hydrogen ions in the urine
D. Both A and C
Answer: D
3. A researcher is studying a family with autosomal dominant polycystic kidney disease.
Which of the following best describes the genetic transmission pattern observed in this
condition?
A. Both parents must be carriers for offspring to be affected
B. Each offspring has a 50% chance of inheriting the mutation
C. Only male offspring are affected
D. The condition skips generations
Answer: B
4. A patient with type 2 diabetes mellitus is found to have insulin resistance at the cellular
level. Which of the following intracellular signaling pathways is most directly impaired in
this condition?
A. JAK-STAT pathway
B. MAPK/ERK pathway
C. PI3K/Akt pathway
D. Wnt/β-catenin pathway
Answer: C
, 5. Which of the following cellular changes is characteristic of apoptosis and distinguishes it
from necrosis?
A. Cellular swelling and membrane rupture
B. Formation of apoptotic bodies
C. Inflammatory response in surrounding tissue
D. Release of cellular contents into extracellular space
Answer: B
6. A 62-year-old patient with chronic hepatitis C infection develops hepatocellular
carcinoma. The development of malignancy in this patient is most likely associated with
which of the following?
A. Activation of tumor suppressor genes
B. Chronic inflammation and oxidative stress
C. Inhibition of oncogene expression
D. Decreased cellular proliferation
Answer: B
7. In a patient with cystic fibrosis, the underlying pathophysiology involves dysfunction of
which of the following transport mechanisms?
A. Sodium-potassium ATPase pump
B. Calcium channel proteins
COMPREHENSIVE EXAM 2026: VERIFIED
QUESTIONS & ANSWERS | DETAILED RATIONALES,
COMPLETE STUDY GUIDE & ADVANCED NURSING
EXAM PREPARATION
SECTION A: CELLULAR PATHOPHYSIOLOGY AND GENETICS
Questions 1-15
1. A 45-year-old male presents with fatigue and shortness of breath. Laboratory findings
reveal macrocytic anemia with hypersegmented neutrophils. Which of the following
cellular mechanisms is most likely responsible for this patient's condition?
A. Impaired DNA synthesis due to vitamin B12 deficiency
B. Decreased iron absorption in the duodenum
C. Increased erythrocyte destruction in the spleen
D. Reduced erythropoietin production by the kidneys
Answer: A
2. In a patient with chronic obstructive pulmonary disease, which of the following
compensatory mechanisms would most likely be activated to maintain acid-base balance?
A. Increased renal reabsorption of bicarbonate
,B. Decreased respiratory rate
C. Increased excretion of hydrogen ions in the urine
D. Both A and C
Answer: D
3. A researcher is studying a family with autosomal dominant polycystic kidney disease.
Which of the following best describes the genetic transmission pattern observed in this
condition?
A. Both parents must be carriers for offspring to be affected
B. Each offspring has a 50% chance of inheriting the mutation
C. Only male offspring are affected
D. The condition skips generations
Answer: B
4. A patient with type 2 diabetes mellitus is found to have insulin resistance at the cellular
level. Which of the following intracellular signaling pathways is most directly impaired in
this condition?
A. JAK-STAT pathway
B. MAPK/ERK pathway
C. PI3K/Akt pathway
D. Wnt/β-catenin pathway
Answer: C
, 5. Which of the following cellular changes is characteristic of apoptosis and distinguishes it
from necrosis?
A. Cellular swelling and membrane rupture
B. Formation of apoptotic bodies
C. Inflammatory response in surrounding tissue
D. Release of cellular contents into extracellular space
Answer: B
6. A 62-year-old patient with chronic hepatitis C infection develops hepatocellular
carcinoma. The development of malignancy in this patient is most likely associated with
which of the following?
A. Activation of tumor suppressor genes
B. Chronic inflammation and oxidative stress
C. Inhibition of oncogene expression
D. Decreased cellular proliferation
Answer: B
7. In a patient with cystic fibrosis, the underlying pathophysiology involves dysfunction of
which of the following transport mechanisms?
A. Sodium-potassium ATPase pump
B. Calcium channel proteins
