ATI RN
Questions on Immune System Questions
Question 1 of 5
A living microbe with reduced virulence that is used for vaccination is considered:
Correct Answer: D
Rationale: Attenuated means weakened. While making live attenuated vaccine the virulence of the microorganism is lost but its antigenic characteristics are retained.
Question 2 of 5
The inflammatory response includes all of the following except
Correct Answer: A
Rationale: Inflammation involves vasodilation , fever , and phagocytes ; constriction opposes increased flow.
Question 3 of 5
Complement and antibody are similar in that both:
Correct Answer: B
Rationale: Both enhance phagocytosis (opsonization); not mast cell-derived or binding sites .
Question 4 of 5
A patient is bitten by a dog with confirmed rabies infection. After treating the bite wound, the physician injects the patient with antibodies that are specific for the rabies virus to prevent the development of an active infection. This is an example of:
Correct Answer: D
Rationale: Antibody injection is artificial passive; not active (A, B) or natural .
Question 5 of 5
Which person most likely has the largest thymus gland?
Correct Answer: B
Rationale: The thymus is largest and most active in early childhood (e.g., age 2), shrinking after puberty.