ATI RN
Questions on Immune System Questions
Question 1 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 2 of 5
An antigen is __________, whereas an antibody is___________.
Correct Answer: A
Rationale: Antigens are foreign substances eliciting responses; antibodies are proteins neutralizing them.
Question 3 of 5
An immune response when provoked by a nonself particle is known as
Correct Answer: C
Rationale: An antigen is a nonself particle triggering an immune response.
Question 4 of 5
Which lymphatic organ plays a role in immune system development during early childhood but tends to decrease in size and function with age?
Correct Answer: C
Rationale: The thymus shrinks after childhood, reducing its role in T cell maturation.
Question 5 of 5
The branch of biology, which involves the study of immune systems in all organisms is called_____________.
Correct Answer: C
Rationale: Immunology studies immune systems across organisms.