WGU C805 OBJECTIVE
ASSESSMENT V1, V2 & V3 NEWEST
2026 TEST BANK| C805
PATHOPHYSIOLOGY OA EXAM
QUESTIONS AND CORRECT
VERIFIED ANSWERS/ ALREADY
GRADED A+ (RECENT!!)
Cellular Adaptation & Injury
1. What is the primary feature of cellular adaptation?
A. Permanent cell death
B. Reversible structural or functional change
C. Immediate infection response
D. Genetic mutation only
ANSWER: B - Adaptation allows cells to survive stress
2. Which condition is characterized by hypoxia-induced cell injury?
A. Hyperplasia
B. Ischemia
C. Metaplasia
D. Dysplasia
, ANSWER: B - Ischemia reduces oxygen supply
3. Apoptosis is best described as:
A. Uncontrolled cell death
B. Programmed cell death
C. Infectious destruction
D. Tumor formation
ANSWER: B - Apoptosis is regulated
Inflammation & Immunity
4. A hallmark of inflammation is:
A. Bradycardia
B. Vasoconstriction
C. Redness and swelling
D. Hypothermia
ANSWER: C - Inflammation increases blood flow and permeability
5. Histamine is primarily released by:
A. Neutrophils
B. Mast cells
C. Erythrocytes
D. Platelets only
ANSWER: B - Mast cells trigger allergic response
6. Which leukocyte is most active in acute bacterial infection?
A. Eosinophil
B. Neutrophil
, C. Basophil
D. Lymphocyte
ANSWER: B - Neutrophils are first responders to bacterial infection
7. B lymphocytes primarily function in:
A. Cell-mediated immunity
B. Humoral immunity
C. Innate immunity
D. Mechanical immunity
ANSWER: B - B cells produce antibodies
8. T cells primarily function in:
A. Antibody production
B. Phagocytosis
C. Cell-mediated immunity
D. Oxygen transport
ANSWER: C - T cells kill infected cells
9. An autoimmune disease example is:
A. Tuberculosis
B. Rheumatoid arthritis
C. Influenza
D. Malaria
ANSWER: B - Immune system attacks self
10. Immunity produced by vaccination is:
A. Passive immunity
B. Innate immunity
C. Active immunity
D. Herd immunity
, ANSWER: C
11. Antibodies received from another person provide:
A. Active immunity
B. Passive immunity
C. Innate immunity
D. Adaptive immunity
ANSWER: B
Fluid, Electrolyte & Acid-Base Balance
12. Edema is caused by:
A. Fluid deficit
B. Fluid accumulation in tissues
C. Low blood sugar
D. High RBC count
ANSWER: B - Capillary leakage causes swelling
13. Shock is defined as:
A. High blood pressure
B. Tissue hypoperfusion
C. Excess oxygenation
D. Infection only
ANSWER: B - Organs receive inadequate blood flow
14. Septic shock is caused by:
A. Allergic reaction
B. Infection
ASSESSMENT V1, V2 & V3 NEWEST
2026 TEST BANK| C805
PATHOPHYSIOLOGY OA EXAM
QUESTIONS AND CORRECT
VERIFIED ANSWERS/ ALREADY
GRADED A+ (RECENT!!)
Cellular Adaptation & Injury
1. What is the primary feature of cellular adaptation?
A. Permanent cell death
B. Reversible structural or functional change
C. Immediate infection response
D. Genetic mutation only
ANSWER: B - Adaptation allows cells to survive stress
2. Which condition is characterized by hypoxia-induced cell injury?
A. Hyperplasia
B. Ischemia
C. Metaplasia
D. Dysplasia
, ANSWER: B - Ischemia reduces oxygen supply
3. Apoptosis is best described as:
A. Uncontrolled cell death
B. Programmed cell death
C. Infectious destruction
D. Tumor formation
ANSWER: B - Apoptosis is regulated
Inflammation & Immunity
4. A hallmark of inflammation is:
A. Bradycardia
B. Vasoconstriction
C. Redness and swelling
D. Hypothermia
ANSWER: C - Inflammation increases blood flow and permeability
5. Histamine is primarily released by:
A. Neutrophils
B. Mast cells
C. Erythrocytes
D. Platelets only
ANSWER: B - Mast cells trigger allergic response
6. Which leukocyte is most active in acute bacterial infection?
A. Eosinophil
B. Neutrophil
, C. Basophil
D. Lymphocyte
ANSWER: B - Neutrophils are first responders to bacterial infection
7. B lymphocytes primarily function in:
A. Cell-mediated immunity
B. Humoral immunity
C. Innate immunity
D. Mechanical immunity
ANSWER: B - B cells produce antibodies
8. T cells primarily function in:
A. Antibody production
B. Phagocytosis
C. Cell-mediated immunity
D. Oxygen transport
ANSWER: C - T cells kill infected cells
9. An autoimmune disease example is:
A. Tuberculosis
B. Rheumatoid arthritis
C. Influenza
D. Malaria
ANSWER: B - Immune system attacks self
10. Immunity produced by vaccination is:
A. Passive immunity
B. Innate immunity
C. Active immunity
D. Herd immunity
, ANSWER: C
11. Antibodies received from another person provide:
A. Active immunity
B. Passive immunity
C. Innate immunity
D. Adaptive immunity
ANSWER: B
Fluid, Electrolyte & Acid-Base Balance
12. Edema is caused by:
A. Fluid deficit
B. Fluid accumulation in tissues
C. Low blood sugar
D. High RBC count
ANSWER: B - Capillary leakage causes swelling
13. Shock is defined as:
A. High blood pressure
B. Tissue hypoperfusion
C. Excess oxygenation
D. Infection only
ANSWER: B - Organs receive inadequate blood flow
14. Septic shock is caused by:
A. Allergic reaction
B. Infection