Immunoglobulins

Question 1

Is the inflammatory response natural/innate or acquired/adaptive immunity?

Answer 1

Natural/innate immunity

Question 2

Describe natural/innate immunity

Answer 2

• Does not require prior exposure to the offending agent (antigen)
• Is non-specific and lacks memory

Question 3

Describe acquired/adaptive immunity

Answer 3

• A specific response to a specific antigen
• Requires a sensitizing exposure
• Response is magnified by subsequent exposures

Question 4

Where are IgA antibodies found in the body?

Answer 4

• Nose
• Breathing passages
• Digestive tract
• Ears
• Eyes
• Vagina

Question 5

IgA antibodies protect ___ from foreign organisms and substances.

Answer 5

body surfaces (that are exposed to the outside)

Question 6

Which bodily fluids contain IgA?

Answer 6

Saliva and tears

Question 7

About 10-15% of the antibodies usually present in the body are…

Answer 7

IgA antibodies

Question 8

Which bodily fluids contain IgG?

Answer 8

All bodily fluids

Question 9

Which antibodies are the smallest but most abundant, comprising about 75-80% of antibodies in the body?

Answer 9

IgG antibodies

Question 10

Which antibodies are considered the most important for fighting bacterial and viral infections?

Answer 10

IgG antibodies

Question 11

Which antibodies are the only type of antibody that can cross the placenta?

Answer 11

IgG antibodies

Question 12

Which antibodies will confer immunity to the fetus?

Answer 12

IgG antibodies

Question 13

Which antibodies are largest?

Answer 13

IgM antibodies

Question 14

Which bodily fluids contain IgM?

Answer 14

Blood and lymph fluid

Question 15

Which antibody is the first type produced in response to an infection?

Answer 15

IgM antibodies

Question 16

Which antibodies normally comprise about 5-10% of all the antibodies in the body?

Answer 16

IgM antibodies

Question 17

Where are IgD antibodies found in the body?

Answer 17

Small amounts in the tissues that line cavities inside the body

Question 18

What is the function of IgD antibodies?

Answer 18

Not well understood

Question 19

Which antibody plays a role in allergic reactions to some substances such as milk, some medications, and some poisons?

Answer 19

IgD antibodies

Question 20

Where are IgE antibodies found in the body?

Answer 20

Lungs, skin, and mucous membranes

Question 21

Which antibodies help protect the body against foreign substances such as pollen, fungus spores, and animal dander?

Answer 21

IgE antibodies

Question 22

IgE antibody levels are often high in people with…

Answer 22

allergies (all kinds)