Immunology

What is an example of natural passive immunity.

• From normal flora to host body

• From a family member

• From mother to child

• From one organism to another

Which one of the following is NOT a characteristic of the innate immune system.

• It act immediately or within hours of appropriate stimulus

• It involve Granulocytes

• Its response is enhanced on repeated exposure to the pathogen

• All

Which of the following defense mechanism is known as body's inbuilt barrier to infection.

• Active immunity

• Adaptive immunity

• Innate immunity

• Passive immunity

What category of immune response would sneezing fall under.

• Innate immunity

• Acquired immunity

• Humoral immunity

• Cell mediated immunity

Larry is taking a walk in the park. The pollen in the air makes him sneeze constantly. What line of defense is his immune system exhibiting.

• Fourth line of defense

• Third line defense

• Second line defense

• First line of defense

Which type of molecule is produced by virus-infected cells to communicate to non infected cells the presence of a virus.

• Antigen

• Interleukin

• Interferon

• Pyrogen

Which of the following is the first step in an inflammatory response.

• Release of leukocytosis inducing factor

• Adhesion of the neutrophil's cell adhesion molecules to antigen

• Positive chemotaxis

• None

Which of the following is part of innate immunity.

• Neutrophils

• Inflammation

• Both A and B

• None

What is 'X' in the following statement. Without 'X' there is no adaptive immune response.

• T- lymphocytes

• Plasma cells

• B lymphocytes

• Both A and C

Which of the following is NOT a characteristic of adaptive immunity.

• It is a powerful response

• It is specific to the pathogen

• It is fastest form of immunity when a pathogen is first is first encountered

• It can quicly attack a returning pathogen