Immune System

The purpose of the immune system is to:

• Help germs invade your body
• Fight off sickness
• Make your nose run
• Give you diarrhea

 Another name for white blood cells is:

• Blood 
• Photosyntesis
• Lymphocytes

• Body

Produced by B cells and designed to mark antigens to be destroyed.

• Antigens
• Active Immunity
• Antibodies
• Antibiotics

Which of the following is a non-specific response?

• Fever
• Red, itchy eyes that may be crusted shut
• Signs that is related to one antigen

What is the first barrier against disease?

• White blood cells
• Red blood cells
• the skin
• leucocytes 

How do human diseases caused by bacteria and diseases caused by viruses react to antibiotics? 

• Neither responds to antibiotics.
• Both respond to antibiotics.
•  Viral diseases respond to antibiotics; bacterial diseases do not.
• Bacterial diseases respond to antibiotics; viral diseases do not.

If you have immunity to a disease:

• It can not enter your body

• Your body can fight the disease off before it makes you sick.

• The germs change as soon as they enter your body.

• You will be able to recover very quickly.

Which of these is part of your body's first defenses against disease?

• Mucus and tears

• Fever and swelling

• White blood cells

• B and T cells

What do antibodies do?

• Attach themselves to germs to flag them for destruction.

• Engulf and digest germs.

• Make your cells impenetrable to germs.

• Carry genes from your bloodstream to the outside of your body.

Invading germs can be identified by their:

• Leukocytes

• Antibodies

• Antigens

• Red blood cells