Adaptive Immunity

Question 1

True or false: adaptive immunity develops throughout life.

Answer 1

True

Question 2

How many hours does an adaptive response take to develop?

Answer 2

> 72

Question 3

State the four key features of adaptive immunity.

Answer 3

Specificity, diversity, memory, and self/non-self recognition

Question 4

Cell-mediated immunity is mediated by __-cells.

Answer 4

T

Question 5

Humoral immunity is defence against _______ _______.

Answer 5

Extracellular antigens

Question 6

T-cell antibodies are membrane-bound ___________.

Answer 6

Glycoproteins

Question 7

True or false: all T-cell receptors are identical.

Answer 7

False

Question 8

CD4 and _____ glycoproteins are also found on T-cells.

Answer 8

CD8

Question 9

_____, or CD8 and TCR, form a TCR complex.

Answer 9

CD4

Question 10

CD4 bind MHC Class __ molecules.

Answer 10

II

Question 11

CD8 binds Class __ molecules.

Answer 11

I

Question 12

In both subsets, T-cell activation results in ___________ and clonal expansion.

Answer 12

Proliferation

Question 13

__-________ cells kill virally infected and tumour target cells.

Answer 13

T-cytotoxic