Human Higher - 25/02

(c) Name the chemicals which aid the movement of T lymphocytes to the site of infection.

The virus that causes influenza can evade the specific immune response by:

A - attacking phagocytes

B - attacking lymphocytes

C - surviving within phagocytes

D - showing antigenic variation.

Use the information from the table to match each condition to the correct patient.

which patient is experiencing an allergic reation?

Use the information from the table to match each condition to the correct patient.

which patient is experiencing HIV?

Use the information from the table to match each condition to the correct patient.

which patient has an infected wound?

Which term would be used to describe a global outbreak of an infectious disease?

In Scotland cases of influenza are always present but occasionally they rise to unusually high levels. In this case, the disease is said to have changed from being