Exam: Advanced Pathophysiology – William
Paterson University | 2026/2027 Complete
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MODULE 1
Question 1:
Which statement is true regarding the immune response in humans?
A) Generation of clonal diversity occurs in peripheral lymphoid organs
B) Generation of clonal diversity occurs in primary lymphoid organs
C) Clonal selection occurs only in the thymus
D) Clonal diversity is not antigen-independent
Answer: B) Generation of clonal diversity occurs in primary lymphoid organs
Rationale: Clonal diversity occurs in primary lymphoid organs where antigen-
independent gene rearrangement creates a large repertoire of unique receptors before
antigen exposure .
Question 2:
What is the term for cancer originating in connective tissues?
A) Carcinoma
B) Sarcoma
C) Lymphoma
D) Adenoma
Answer: B) Sarcoma
Rationale: Sarcomas are malignant tumors arising from mesenchymal tissues such as
bone, muscle, fat, and connective tissue, distinct from carcinomas (epithelial origin) .
,Question 3:
Which statement is NOT true regarding the body's defense mechanisms against cell
damage?
A) The two primary defense mechanisms are xenobiotics and the antioxidant system
B) Enzymatic systems help neutralize reactive oxygen species
C) Antioxidants like vitamins C and E contribute to cellular defense
D) Detoxification pathways help metabolize exogenous chemicals
Answer: A) The two primary defense mechanisms are xenobiotics and the
antioxidant system
Rationale: Xenobiotics are foreign chemicals, not a defense mechanism. The body's
defenses include antioxidant systems and detoxification/repair pathways .
Question 4:
A substance that is recognized as foreign or nonself is:
A) An antibody
B) A hapten
C) An antigen
D) A complement
Answer: C) An antigen
Rationale: Antigens are molecules capable of being recognized by immune receptors as
foreign, thereby eliciting an immune response .
Question 5:
A type IV hypersensitivity reaction causes which result?
A) IgE-mediated mast-cell degranulation
B) Immune complex deposition in tissues
C) Lymphokine-producing Th1 cells directly attacking and destroying cellular targets
D) Complement-mediated lysis of red blood cells
, Answer: C) Lymphokine-producing Th1 cells directly attacking and destroying
cellular targets
Rationale: Type IV hypersensitivity is T-cell-mediated. Th1 cells release cytokines and
recruit/activate macrophages and cytotoxic T cells, leading to direct cellular damage .
Question 6:
What are blood transfusion reactions an example of?
A) Autoimmunity
B) Alloimmunity
C) Homoimmunity
D) Hypersensitivity
Answer: B) Alloimmunity
Rationale: Transfusion reactions occur when the recipient's immune system recognizes
donor antigens as foreign and mounts an immune response. This is immunity against
antigens from members of the same species .
Question 7:
What statement regarding cancer biology is true?
A) Cancer refers to any benign tumor
B) Cancer refers to a malignant tumor
C) Cancer is limited to epithelial tissues
D) Cancer only occurs in older adults
Answer: B) Cancer refers to a malignant tumor
Rationale: In strict pathology terminology, "cancer" denotes a malignant neoplasm with
invasive growth and potential for metastasis, distinguishing it from benign tumors .
Question 8:
Which statement is true regarding basal cell carcinoma (BCC)?