Specific Cellular Defences

Question 1

Lymphocytes are white blood cells that are involved in

Answer 1

the SPECIFIC immune response

Question 2

Lymphocytes have a single type of membrane receptor which is specific for

Answer 2

one antigen

Question 3

Lymphocytes respond to specific antigens on

Answer 3

invading pathogens

Question 4

Antigens are found on

Answer 4

the surface of cells

Question 5

Antigen binding leads to

Answer 5

repeated lymphocyte division (resulting in a CLONAL POPULATION of identical lymphocytes)

Question 6

The 2 types of Lymphocytes are

Answer 6

B and T lymphocytes

Question 7

B lymphocytes produce

Answer 7

Antibodies (against antigens)

Question 8

Antibodies are

Answer 8

Y shaped proteins (that have receptor binding sites that are specific to a particular antigen on a pathogen)

Question 9

If B lymphocytes respond to harmless antigens it can cause an

Answer 9

allergic reaction

Question 10

An allergic reaction is known as a

Answer 10

Hypersensitive response

Question 11

T lymphocytes destroy infected body cells by inducing

Answer 11

Apoptosis

Question 12

Apoptosis is

Answer 12

programmed cell death

Question 13

If T lymphyctes fail to recognise self-antigens and attached them, then it can cause an

Answer 13

autoimmune disease

Question 14

Some cloned B and T lymphocytes survive long-term as

Answer 14

memory cells

Question 15

During secondary exposure to an antigen,

Answer 15

antibody production is greater and more rapid than during the primary response

Question 16

HIV attacks and destroys

Answer 16

T lymphocytes