Chapter 15 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What are the 2 characterizing feature of the 3rd line of immunity?

A

Specificity and memory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What types of cells (2) make up the 3rd line of immunity?

A

B & T Cells/ lymphocytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is an antigen and an epitope?

A

Antigen= molecules that stimulate a response by B & T cells

Epitope= a specific region of an antitope

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is function of memory cells?

A

The respond to antigens. If they encounter the same antigen later they respond by producing more clones to eliminate the source of the antigen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What type of B lymphocyte produces antibodies?

A

Plasma Cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the three types of T lymphocytes

A

1) helper T cells
2) Cytotoxic T cells
3) Regulatory T cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

From what type of precursor cell do lymphocytes develop from and in what body locations do B and T lymphocytes develop respectively?

A

Hemopoietic cells

Develop in bone marrow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

During what stage of lymphocyte development are the 500 genes coding for receptors randomly rearranged (leading to receptor diversity) ?

A

Proliferactive stage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

During what stage of lymphocyte development are lymphocytes said to be clonally selected?

A

Clonal selection & expansion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is clonal deletion and how does relate to autoimmune disease?

A

Process that reduces the occurrence of “self” targeting lymphocytes

Autoimmune disease is when the body attacks itself with its own immune cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What role do antigens presenting cells (APCs) play in the 3rd level of immune response?

A

Ingest foreign antigen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the 3 types of APCs?

A

1) macrophages
2) dendritic
3) B lymphocytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What role do Cytotoxic T cells play in immune response?

A

Destroy compromised host cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the difference between a cell-mediated response and a humoral response?

A

Cell-mediated= T cells/ Cytotoxic T cells response

Humoral= B cell/ antibody production

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the two regions of an immunoglobulin?

A

Variable region and constant region

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which type of region attaches to antigen?

A

Variable regions

17
Q

Which type of immunoglobulin is the most common and is capable of crossing the placenta?

A

Immunoglobulin G

18
Q

Which type of immunoglobulin is found both monomer and diner form plays an important role in mucosal defenses?

A

Immunoglobulin A

19
Q

Which type of immunoglobulin is found in both monomer and dimes form and plays an important role in mucosal defenses?

A

Immunoglobulin M

20
Q

Which type of immunoglobulin acts as a surface receptor for B cells?

A

Immunoglobulin D

21
Q

Which type of immunoglobulin plays a role in allergies and parasitic worm defense?

A

Immunoglobulin E

22
Q

How is the secondary (anamnestic response) different from the primary response?

A

Primary involves a latent response and secondary is immediate

23
Q

What is the difference between active and passive immunity?

A

In passive the antibodies are donated from another organism

24
Q

What is the difference between natural and artificial immunity?

A

Natural is acquired through normal biological experiences, and artificial is acquire from medical procedures