Types of lymphocytes

Question 1

Types of lymphocytes

Answer 1

T cells
B cells
NK cells

Question 2

T cells are

Answer 2

Thymus-dependent

Question 3

B cells are

Answer 3

Bone-marrow derived

Question 4

NK cells are

Answer 4

Natural killer cells (non-specific)

Question 5

How much of circulating lymph do T cells make up?

Answer 5

80% of circulating lymphocytes

Question 6

Main types of T cells

Answer 6

• Cytotoxic T (TC) cells
• Memory T cells
• Helper T (TH) cells
• Suppressor T (TS) cells

Question 7

Cytotoxic T cells function

Answer 7

Seek out and immediately destroy target cells
1. Release perforin
* To destroy antigenic plasma membrane

2. Secrete poisonous lymphotoxin
   * To destroy target cell
3. Activate genes in target cell
   * That cause cell to die

Question 8

Cytotxic release perforin and this

Answer 8

destroy antigenic plasma membrane

Question 9

Ctyotoxic T cells secrete poisonous lymphotoxin and this

Answer 9

To destroy target cells

Question 10

Cytotoxic T cells release Activate genes in target cell and this causes

Answer 10

cells to die

Question 11

Cytotoxic T cells release Activate genes in target cell and this causes

Answer 11

cells to die

Question 12

B cells are responsible for

Answer 12

antibody-mediated immunity

Question 13

B cells attack antigens by

Answer 13

producing specific antibodies

Question 14

B cells have millions of population, each with

Answer 14

different antibody molecules

Question 15

Activated B cells divides into

Answer 15

• Plasma cells
• Memory B cells