Question 1

advantageous death of infected cells

Accepted Answer

Apoptosis

Question 2

category of defence proteins secreted from cells; involved in signalling to other cells

Accepted Answer

Cytokines

Question 3

substance released by mast cells that causes vasodilation

Accepted Answer

Histamine

Question 4

response to damage or infection involving vasodilation and cytokine release

Accepted Answer

Inflammatory response

Question 5

cells that produce histamine in response to tissue damage

Accepted Answer

Mast cells

Question 6

cell that releases cytokines and can cause apoptosis in infected cells

Accepted Answer

Natural killer cell

Question 7

general response to infection, including phagocytosis

Accepted Answer

Non-specific defence

Question 8

cells that form the ceullar sheets covering the inside and outside of the body

Accepted Answer

Epithelial Cells

Question 9

When blood vessels widen increasing blood flow

Accepted Answer

Vasodilation

Question 10

Engulfing and destruction of pathogens by phagocytes

Accepted Answer

Phagocytosis

Question 11

Gene switched on in infected cells by NK cells. Results in apoptosis

Accepted Answer

Suicide gene

Question 12

Disease causing organisms

Accepted Answer

Pathogens

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