lymphocytes

Question 1

3 types of lymphocytes

Answer 1

t cells
b cells
natural killer cells

Question 2

t cells

Answer 2

(thymus dependent cells)
responsible for cell mediated immunity

Question 3

b cells

Answer 3

(bone marrow derived cells)

Question 4

t cells are of 4 primary types

Answer 4

1. cytotoxic cells (killer cells) responsible for cell mediated immunity
2. helper t cells or inducer cells
3. suppressor t cells
4. memory t cells

Question 5

B cells stimulate

Answer 5

regional inflammation and local defenses

Question 6

suppressor t cells supress

Answer 6

B cell activity

Question 7

helper t cells secrete substances that activates

Answer 7

B lymphocytes

Question 8

B cells differentiate in to

Answer 8

plasma cells that secrete antibodies which are soluble proteins

Question 9

antibodies are known as

Answer 9

immunoglobins

Question 10

immunoglobins (antibodies) are responsible for

Answer 10

humoral (liquid) immunity or antibody-mediated immunity

Question 11

antibodies bind to

Answer 11

antigens, pathogens, and stimulate the immune response

Question 12

antigens may be

Answer 12

proteins
lipids
polysaccharides
nucleic acids, etc.

Question 13

once the antibody binds to the antigen, a chain of

Answer 13

reactions take place which will destroy the antigen

Question 14

natural killer cells are

Answer 14

large granular lymphocytes

Question 15

natural killer cells provide

Answer 15

innate or nonspecific immunity

Question 16

natural killer cells attacks cells infected with

Answer 16

viruses and cancer cells

Question 17

natural killer cells secrete chemicals that

Answer 17

lyse the plasma membrane of the cells

Question 18

natural killer cells are responsible for

Answer 18

immune surveillance since they are always found in the peripheral tissues