Lymphocytes

Question 1

What is another word for wbc

Answer 1

Leukocytes

Question 2

What immune cells are innate

Answer 2

• macrophages
• granulocytes
• dendritic cells
• nk cells

Question 3

What immune cells are adaptive

Answer 3

• b cells
• T cells

Question 4

What are the three innate immune responses

Answer 4

Fast, non specific and generic

Question 5

What innate body surface défenses do we have

Answer 5

Skin, hairs, one way urine flow

Question 6

How does adaptive immunity work

Answer 6

It is antigen specific

Question 7

What do the b cells do

Answer 7

Humoral immunity- relating to body fluid

Question 8

What do T cells do

Answer 8

Cell mediated immunity- killing

Question 9

What is the nucleus like of a lymphocyte

Answer 9

Large and relatively round that fills the cytoplasm

Question 10

How big are lymphocytes

Answer 10

1.5 - 3.5 x 10^9/L

Question 11

What is the life span of lymphocytes

Answer 11

Many years

Question 12

What is the function of lymphocytes

Answer 12

Central role in the immune system as it divides into b and T cells

Question 13

How big are neutrophils

Answer 13

2.5 - 7.5 x 10^9/L

Question 14

How big are monocytes

Answer 14

0.2 - 0.8 x 10^9/L

Question 15

How big are eosinophils

Answer 15

0.04 - 0.44 x 10^9/L

Question 16

How big are basophils

Answer 16

0.01 - 0.1 x 10^9/ L

Question 17

What are the surface layer proteins called

Answer 17

MCH - major histocompatibility complex

Question 18

What encodes MCHs in humans

Answer 18

HLA human leukocyte antigen

Question 19

What are the three populations of lymphocytes

Answer 19

Natural killer, b cells, T cells

Question 20

Where are T cells made

Answer 20

The thymus

Question 21

Where are MCH-1 found

Answer 21

On the surface of all nucleated cells

Question 22

Where are MCH-11 found

Answer 22

On the surface of antigen presenting cells

Question 23

What are the two types of T cells

Answer 23

Helper and cytotoxic

Question 24

What MCH do cytotoxic cells recognise

Answer 24

MCH-1

Question 25

What MCH do helper cells recognise

Answer 25

MCH-11

Question 26

How to T cells kill

Answer 26

Apoptosis. Cell lysis by creating pores

Question 27

What do t helper cells do

Answer 27

Help other immune cells become fully functional

Question 28

Where are b cells made

Answer 28

Bone marrow

Question 29

What are the role of b cells

Answer 29

Mount a specific immune response by producing antigen specific antibiotics

Question 30

How do b cells recognise antigens

Answer 30

B cell receptor

Question 31

What is the role of plasma cells

Answer 31

The production and secretion of an antigen specific antibody

Question 32

What characteristics do plasma cells have

Answer 32

• extensive RER and Golgi apparatus
• lower levels of membrane bound antibodies

Question 33

What do memory b cells do

Answer 33

Ensure a quick secondary response