مدافعت اور بیماری

Antibodies are made by:

• 1 Platelets
• 2 Neurons
• 3 Red blood cells
• 4 B lymphocytes

Vaccination gives:

• 1 Temporary relief only
• 2 Active immunity
• 3 No immunity
• 4 Passive immunity only

Mosquitoes spread:

• 1 Tuberculosis
• 2 Malaria
• 3 Cholera
• 4 Measles

AIDS is caused by:

• 1 A protozoan
• 2 A fungus
• 3 HIV
• 4 A bacterium

Tuberculosis is caused by:

• 1 A virus
• 2 A protozoan
• 3 A bacterium
• 4 A fungus

The first line of defence of the body against pathogens is the:

• 1 Antibodies
• 2 Skin
• 3 Vaccines
• 4 Memory cells

A substance that triggers an immune response is an:

• 1 Antibody
• 2 Enzyme
• 3 Hormone
• 4 Antigen

Passive immunity can be gained from:

• 1 A vaccine
• 2 Exercise
• 3 Having the disease
• 4 Mother's milk