WGU C805 PATHOPHYSIOLOGY OBJECTIVE
ASSESSMENT EXAM QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) Q&A 2026
|INSTANT DOWNLOAD PDF
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
Rationale: Adaptation allows cells to survive stress.
Correct Answer: B
2. Which condition is characterized by hypoxia-induced cell
injury?
A. Hyperplasia
B. Ischemia
C. Metaplasia
D. Dysplasia
Rationale: Ischemia reduces oxygen supply.
Correct Answer: B
3. Apoptosis is best described as:
,A. Uncontrolled cell death
B. Programmed cell death
C. Infectious destruction
D. Tumor formation
Rationale: Apoptosis is regulated.
Correct Answer: B
4. A hallmark of inflammation is:
A. Bradycardia
B. Vasoconstriction
C. Redness and swelling
D. Hypothermia
Rationale: Inflammation increases blood flow and permeability.
Correct Answer: C
5. Histamine is primarily released by:
A. Neutrophils
B. Mast cells
C. Erythrocytes
D. Platelets only
Rationale: Mast cells trigger allergic response.
Correct Answer: B
6. Which leukocyte is most active in acute bacterial infection?
,A. Lymphocytes
B. Eosinophils
C. Neutrophils
D. Basophils
Rationale: Neutrophils are first responders.
Correct Answer: C
7. Exudate formation occurs due to:
A. Dehydration
B. Increased vascular permeability
C. Decreased blood pressure
D. Hyperglycemia
Rationale: Fluid leaks into tissues.
Correct Answer: B
8. Fever is mediated by:
A. Insulin
B. Pyrogens
C. Antibodies
D. Platelets
Rationale: Pyrogens reset hypothalamic temperature.
Correct Answer: B
9. Which immunity type involves antibodies?
, A. Cell-mediated
B. Humoral
C. Innate
D. Mechanical
Rationale: B cells produce antibodies.
Correct Answer: B
10. T cells primarily function in:
A. Antibody production
B. Phagocytosis
C. Cell-mediated immunity
D. Oxygen transport
Rationale: T cells kill infected cells.
Correct Answer: C
11. An autoimmune disease example is:
A. Tuberculosis
B. Rheumatoid arthritis
C. Influenza
D. Malaria
Rationale: Immune system attacks self.
Correct Answer: B
12. Edema is caused by:
ASSESSMENT EXAM QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) Q&A 2026
|INSTANT DOWNLOAD PDF
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
Rationale: Adaptation allows cells to survive stress.
Correct Answer: B
2. Which condition is characterized by hypoxia-induced cell
injury?
A. Hyperplasia
B. Ischemia
C. Metaplasia
D. Dysplasia
Rationale: Ischemia reduces oxygen supply.
Correct Answer: B
3. Apoptosis is best described as:
,A. Uncontrolled cell death
B. Programmed cell death
C. Infectious destruction
D. Tumor formation
Rationale: Apoptosis is regulated.
Correct Answer: B
4. A hallmark of inflammation is:
A. Bradycardia
B. Vasoconstriction
C. Redness and swelling
D. Hypothermia
Rationale: Inflammation increases blood flow and permeability.
Correct Answer: C
5. Histamine is primarily released by:
A. Neutrophils
B. Mast cells
C. Erythrocytes
D. Platelets only
Rationale: Mast cells trigger allergic response.
Correct Answer: B
6. Which leukocyte is most active in acute bacterial infection?
,A. Lymphocytes
B. Eosinophils
C. Neutrophils
D. Basophils
Rationale: Neutrophils are first responders.
Correct Answer: C
7. Exudate formation occurs due to:
A. Dehydration
B. Increased vascular permeability
C. Decreased blood pressure
D. Hyperglycemia
Rationale: Fluid leaks into tissues.
Correct Answer: B
8. Fever is mediated by:
A. Insulin
B. Pyrogens
C. Antibodies
D. Platelets
Rationale: Pyrogens reset hypothalamic temperature.
Correct Answer: B
9. Which immunity type involves antibodies?
, A. Cell-mediated
B. Humoral
C. Innate
D. Mechanical
Rationale: B cells produce antibodies.
Correct Answer: B
10. T cells primarily function in:
A. Antibody production
B. Phagocytosis
C. Cell-mediated immunity
D. Oxygen transport
Rationale: T cells kill infected cells.
Correct Answer: C
11. An autoimmune disease example is:
A. Tuberculosis
B. Rheumatoid arthritis
C. Influenza
D. Malaria
Rationale: Immune system attacks self.
Correct Answer: B
12. Edema is caused by:
