21 Questions
During the secondary response, which antibody will be in higher concentration?
IgG
What is the duration of the antibody response in the primary response?
Short
What is the primary function of antibodies?
Protect against infectious agents or their products
What are the two main functions of antibodies?
Neutralize toxins and viruses; Opsonize microorganisms
What is opsonization?
A process to enhance phagocytosis
Which antibody type is produced in the secondary response?
IgG
What is the lag period in the secondary response before antibodies are detected?
3-5 days
How does the host cell react when two or more antigens are administered at the same time?
By producing antibodies to all of them
What are the processes done for the evaluation of humoral immunity?
Measuring amounts of IgG, IgM, and IgA
What antibodies can be made by the fetus if an infection occurs?
IgG since it crosses the placenta
What are the tests used for the evaluation of humoral immunity?
Nephelometry and Immuno-electrophoresis
What type of immunity is primarily directed against exotoxin-mediated diseases and certain viral infections?
Humoral immunity
Which type of immunity is more important for protection against intracellular pathogens?
Cell-mediated immunity
What is the primary antibody to be presented when exposed to an infection for the first time?
IgM
Which specific exotoxins does humoral immunity primarily direct against?
Tetanus and diphtheria
In the secondary response, there is a ___ antibody response and at higher levels than the primary response.
Rapid
What antibody declines earlier than IgG?
IgM
About how many days is the lag period after which antibodies become detectable in the serum after exposure to an infection for the first time?
7-10 days
What is the second most common antibody to be presented when exposed to an infection for the first time?
IgA
What type of pathogens are primarily protected against by cell-mediated immunity?
Intracellular pathogens
What is the primary immune response?
The response when an antigen enters the body for the first time
Test your knowledge of humoral immunity with this quiz. Questions cover topics such as the role of humoral immunity in protection against pathogens, its effectiveness against exotoxin mediated diseases and viral infections, and more.
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