Flu Virus

What are the two proteins that the flu virus uses to attack its host?

• Hemoglobin and nitric oxide

• Hemagglutinin and neuraminidase

• Insulin and glucagon

• Adrenaline and noradrenaline

What is the function of the HA protein?

• To cut the viral swarm loose

• To attack infected tissue

• To attach the virus to a cell and let it in

• To bombard the immune system

What is the function of the NA protein?

• To cut the viral swarm loose

• To attack infected tissue

• To attach the virus to a cell and let it in

• To bombard the immune system

How does the immune system respond to the flu virus?

• By ignoring it

• By sending infected tissue throughout the respiratory system

• By attacking the viral swarm and destroying infected tissue

• By causing organ failure

What type of influenza virus is the most capable of unleashing a pandemic?

• Type A

• Type B

• Type C

• Type D