Antibodies Flashcards

(32 cards)

1
Q

Macrophages connec to what tail?

A

Fc tail

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2
Q

Where do antigens bind?

A

Fab

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3
Q

What is a large y shaped glycoprotein?

A

Antibodies

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4
Q

Antibodies are produced by ______.

A

B-cells

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5
Q

An antibody will be either _____ or ______.

A

Kappa or Lambda

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6
Q

This regulates cellular immunity.

A

TH1

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7
Q

This regulates humoral immunity.

A

TH2

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8
Q

________ bond is what holds the light chains together.

A

Disulfide

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9
Q

__ is the only antibody to cross the placenta via Fcgamma receptors.

A

IgG

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10
Q

___ and __ fix complement.

A

IgG and IgM

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11
Q

This antibody has pentamers or monomers structure. First Ig to be made in fetus, first to be made by virgin Ag-stimulated B-cells

A

IgM= primary immune response

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12
Q

What is the difference between plasma and serum?

A

Serum has used up the clotting factors.

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13
Q

Does IgA fix complement?

A

no, because IgA is on our mucus membrane we don’t want inflammation to occur there. (in our gut)

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14
Q

This is the major class of Ig in secretions, important in mucosal immunity.

A

IgA

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15
Q

This is found on B cell surfaces and can bind to Antigens.

A

IgD

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16
Q

Is a B-cell an antigen presenting cell?

A

Yes, B-cells produce antibodies. So, they are technically an antigen presenting cells.

17
Q

All mast cells are located in ______.

18
Q

This antibody is least common Ig in plasma. Binds tightly to FcE receptors on basophils and mast cells.

19
Q

What happens to BP when you have a lot of histamine in the system?

A

Blood pressure plummets

20
Q

What is involved in allergic reactions

A

FcE receptors and mast cells

21
Q

What is involved in parasitic infections

A

IgE and Eosinophils

22
Q

What is unique to each class?

23
Q

IgE (from previous exposure) is docked on ________

24
Q

We are infected but have not started to make antibodies.

25
WIth HIV it is not very __________ so you could see someone in the viral window for up to 6 months.
immunogenic | Someone could be tested and not have antibodies, but they could still have it.
26
What immunity is where subject actively produces their own antibodies. Requires exposure to infectious agent.
Active - Natural infection - Artificial= immunization with altered agent or it's antigens
27
An immunization can be ____ or _______. What did you get immunized with?
active or passive
28
What is another name for antibodies?
immune globulins
29
What immuity is where subject receives exogenous antibodies. Does not confer long term immunity.
Passive - Natural= Mother-child (IgG-placenta, IgA- breast milk) - Artificial= Immunization with antibodies
30
This immunity is not immediate but is long lived.
Active immunity
31
What immunity is immediate but short-lived. Natural maternal antibodies (IgG) crosses placenta. Artificial= immune globulins Antivenom/Antitoxin
Passive
32
If he gives a question about immunity, read on to see if it is active or passive.
do it