Humoral Immunity Flashcards Preview

Board Review: Physiology Immunity > Humoral Immunity > Flashcards

Flashcards in Humoral Immunity Deck (13)
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1
Q

Antibodies belong to a class of proteins called what?

A

Immunoglobulins (Ig) in shape of Y

2
Q

The Fc (tail of Y) region determine what?

A

Type of immunoglobulin

  • IgG
  • IgA
  • IgM
  • IgD
  • IgE
3
Q

IgG is the most abundant in circulation and promotes what?

A

Phagocytosis and Cell Lysis

4
Q

IgG also confers what?

A

Passive Immunity

5
Q

IgA is present where?

A

Saliva
Tears
Breast Milk

6
Q

IgA is most what?

A

Most abundantly produced in general

7
Q

IgM is secreted early on and promotes what?

A

Agglutination
Phagocytosis
Cell Lysis

8
Q

IgD are found where?

A

Surface of antibody on B lymphocytes

9
Q

What is the role of IgD?

A

Role is unclear

10
Q

IgE is important where?

A

Parasitic infections

Allergic Responses

11
Q

The Fab (arms of Y) is responsible for what?

A

Antigen binding specificity

12
Q

Antibodies bind to antigens thus promoting what?

A

Their own destruction

13
Q

Antibodies that bind to antigens promote their own destruction directly by what?

A

Precipitating soluble antigens
Lysis of membranes
Agglutination (clumping together)
Neutralization of toxins or inactivation of some viruses