HESI RN: Pathophysiology Comprehensive Exit Examination II (2026
Blueprint) With Correct Answers
1. What primary cellular alteration involves a reversible structural change where one mature,
specialized cell type is completely replaced by another mature cell type due to chronic
environmental stress?
Correct Answer: Metaplasia
2. Which structural vascular abnormality is characterized by a localized, permanent dilation or
ballooning of an arterial wall, most commonly occurring within the abdominal aorta?
Correct Answer: Aneurysm
3. What specific type of tissue necrosis is pathologically characterized by the structural
denaturation of cellular proteins, transforming the tissue into a firm, opaque mass typically
seen in infarcted kidneys?
Correct Answer: Coagulative necrosis
4. What genetic abnormality is characterized by an absolute error during meiosis where
homologous chromosomes or sister chromatids fail to separate properly, resulting in
aneuploidy?
Correct Answer: Nondisjunction
5. Which specific chromosome abnormality is the underlying genetic driver of Klinefelter
syndrome in males?
Correct Answer: XXY chromosome configuration
6. What genetic term describes the exact percentage of individuals carrying a specific disease-
causing mutant genotype who actually express any clinical symptoms of that condition?
Correct Answer: Penetrance
7. Which specific class of immunoglobulins is found in high concentrations within external body
secretions such as tears, saliva, and colostrum, providing localized mucosal defense?
Correct Answer: Immunoglobulin A (IgA)
8. What specific type of immune hypersensitivity reaction involves the tissue deposition of
circulating antigen-antibody complexes, triggering complement activation and subsequent
neutrophil recruitment?
Correct Answer: Type III immune complex-mediated hypersensitivity
9. Which specific chemical mediator, synthesized via the arachidonic acid pathway inside
activated mast cells, induces prolonged bronchoconstriction and endothelial permeability
during an acute asthma flare?
Correct Answer: Leukotriene
10. What specific autoantibody target demonstrates the highest clinical specificity for confirming
a diagnosis of Rheumatoid Arthritis on an advanced serological profile?
Correct Answer: Anti-cyclic citrullinated peptide (anti-CCP)
11. What specific surface glycoprotein embedded on the lipid envelope of HIV binds directly to
the CD4 receptor site on helper T lymphocytes to initiate viral attachment?
Correct Answer: gp120
, 12. Which large, mononuclear phagocytic cells migrate into tissues during a prolonged immune
response to clear cellular debris and release pro-inflammatory cytokines like interleukin-1?
Correct Answer: Macrophages
13. What terminology describes an absolute reduction in a patient's circulating thrombocyte
count below 150,000 cells/µL, significantly increasing the risk of spontaneous microvascular
bleeding?
Correct Answer: Thrombocytopenia
14. What specific white blood cell malignancy is pathologically characterized by an uncontrolled
hyperproliferation of immature lymphoblasts inside the bone marrow, predominantly
tracking in pediatric populations?
Correct Answer: Acute lymphocytic leukemia (ALL)
15. What specific physiological condition occurs when an individual's total circulating red blood
cell mass is abnormally elevated, leading to hyperviscosity and sluggish capillary blood flow?
Correct Answer: Polycythemia vera
16. What automated hematological metric calculates the average physical volume or size of an
individual red blood cell, helping differentiate microcytic from macrocytic states?
Correct Answer: Mean corpuscular volume (MCV)
17. What severe inherited clotting disorder is caused by a genetic deficiency or structural
mutation in coagulation Factor VIII?
Correct Answer: Hemophilia A
18. What specific type of macrocytic anemia is driven by a dietary deficiency or impaired
absorption of folate, without inducing the classic neurological deficits observed in B12
deficiency?
Correct Answer: Folate deficiency anemia
19. Which hereditary blood disorder is caused by a structural point mutation in the beta-globin
chain that causes hemoglobin molecules to polymerize into rigid crescent shapes under
hypoxic stress?
Correct Answer: Sickle cell anemia
20. What vascular pathology involves a chronic, structural split or tear within the tunica intima
layer of an artery, allowing blood to tunnel between the arterial walls?
Correct Answer: Arterial dissection
21. What specific clinical term describes an advanced, calcified atherosclerotic plaque that has
cracked open, triggering the instant adherence of platelets and local occlusive thrombus
formation?
Correct Answer: Complicated plaque
22. What specific type of chest pain is caused by transient, focal vasospasm of a coronary artery
rather than a fixed atherosclerotic plaque, frequently occurring at rest or during sleep?
Correct Answer: Prinzmetal's (variant) angina
23. Which specific ECG marker displays an acute, transmural myocardial injury pattern across
corresponding anatomical leads during an active myocardial infarction?
Correct Answer: ST-segment elevation
Blueprint) With Correct Answers
1. What primary cellular alteration involves a reversible structural change where one mature,
specialized cell type is completely replaced by another mature cell type due to chronic
environmental stress?
Correct Answer: Metaplasia
2. Which structural vascular abnormality is characterized by a localized, permanent dilation or
ballooning of an arterial wall, most commonly occurring within the abdominal aorta?
Correct Answer: Aneurysm
3. What specific type of tissue necrosis is pathologically characterized by the structural
denaturation of cellular proteins, transforming the tissue into a firm, opaque mass typically
seen in infarcted kidneys?
Correct Answer: Coagulative necrosis
4. What genetic abnormality is characterized by an absolute error during meiosis where
homologous chromosomes or sister chromatids fail to separate properly, resulting in
aneuploidy?
Correct Answer: Nondisjunction
5. Which specific chromosome abnormality is the underlying genetic driver of Klinefelter
syndrome in males?
Correct Answer: XXY chromosome configuration
6. What genetic term describes the exact percentage of individuals carrying a specific disease-
causing mutant genotype who actually express any clinical symptoms of that condition?
Correct Answer: Penetrance
7. Which specific class of immunoglobulins is found in high concentrations within external body
secretions such as tears, saliva, and colostrum, providing localized mucosal defense?
Correct Answer: Immunoglobulin A (IgA)
8. What specific type of immune hypersensitivity reaction involves the tissue deposition of
circulating antigen-antibody complexes, triggering complement activation and subsequent
neutrophil recruitment?
Correct Answer: Type III immune complex-mediated hypersensitivity
9. Which specific chemical mediator, synthesized via the arachidonic acid pathway inside
activated mast cells, induces prolonged bronchoconstriction and endothelial permeability
during an acute asthma flare?
Correct Answer: Leukotriene
10. What specific autoantibody target demonstrates the highest clinical specificity for confirming
a diagnosis of Rheumatoid Arthritis on an advanced serological profile?
Correct Answer: Anti-cyclic citrullinated peptide (anti-CCP)
11. What specific surface glycoprotein embedded on the lipid envelope of HIV binds directly to
the CD4 receptor site on helper T lymphocytes to initiate viral attachment?
Correct Answer: gp120
, 12. Which large, mononuclear phagocytic cells migrate into tissues during a prolonged immune
response to clear cellular debris and release pro-inflammatory cytokines like interleukin-1?
Correct Answer: Macrophages
13. What terminology describes an absolute reduction in a patient's circulating thrombocyte
count below 150,000 cells/µL, significantly increasing the risk of spontaneous microvascular
bleeding?
Correct Answer: Thrombocytopenia
14. What specific white blood cell malignancy is pathologically characterized by an uncontrolled
hyperproliferation of immature lymphoblasts inside the bone marrow, predominantly
tracking in pediatric populations?
Correct Answer: Acute lymphocytic leukemia (ALL)
15. What specific physiological condition occurs when an individual's total circulating red blood
cell mass is abnormally elevated, leading to hyperviscosity and sluggish capillary blood flow?
Correct Answer: Polycythemia vera
16. What automated hematological metric calculates the average physical volume or size of an
individual red blood cell, helping differentiate microcytic from macrocytic states?
Correct Answer: Mean corpuscular volume (MCV)
17. What severe inherited clotting disorder is caused by a genetic deficiency or structural
mutation in coagulation Factor VIII?
Correct Answer: Hemophilia A
18. What specific type of macrocytic anemia is driven by a dietary deficiency or impaired
absorption of folate, without inducing the classic neurological deficits observed in B12
deficiency?
Correct Answer: Folate deficiency anemia
19. Which hereditary blood disorder is caused by a structural point mutation in the beta-globin
chain that causes hemoglobin molecules to polymerize into rigid crescent shapes under
hypoxic stress?
Correct Answer: Sickle cell anemia
20. What vascular pathology involves a chronic, structural split or tear within the tunica intima
layer of an artery, allowing blood to tunnel between the arterial walls?
Correct Answer: Arterial dissection
21. What specific clinical term describes an advanced, calcified atherosclerotic plaque that has
cracked open, triggering the instant adherence of platelets and local occlusive thrombus
formation?
Correct Answer: Complicated plaque
22. What specific type of chest pain is caused by transient, focal vasospasm of a coronary artery
rather than a fixed atherosclerotic plaque, frequently occurring at rest or during sleep?
Correct Answer: Prinzmetal's (variant) angina
23. Which specific ECG marker displays an acute, transmural myocardial injury pattern across
corresponding anatomical leads during an active myocardial infarction?
Correct Answer: ST-segment elevation
