Immune system

These cells are responsible for identifying the "enemy" in an immune response.

• Killer-T Cells
• B Cells
• Helper-T Cells
• Antibodies

What do antibodies attach to on the pathogen?

• Anti inflammatory
• Antigens
• Antiseptic
• Antibodies

Disease-causing microorganism, such as a bacterium or virus.

• pathogen 
• allergen
• prion 
• antigen 

What happens first in the inflammatory response?

• macrophages arrive and consume pathogens
• histamine is released by injured mast cells
• arteries to injury dialate
• veins from the injury constrict

What function does mucus play in the immune system?

• traps foreign particles from entering the body
• moistens food
• produces WBCs
• acts as a lubricant

How does immune system fight viruses?

• Immune system guards our body and when red blood cells which are the part of our immune system detect viruses in our body they kill the antigen or viruses by antibodies.
• Immune system guards our body and when 
  white blood cells which are the part of our immune system detect viruses in our body they kill the antigen or viruses by antibodies.
  
• Immune system guards our body and when 
  antibiotics which are the part of our immune system detect viruses in our body they kill the antigen.
• None of above 

A nonspecific defensive response of the body to tissue injury characterized by dilation of blood vessels and swelling.

• immunity
• interferon
• immunization
• inflammation

Vaccines stimulate the body to produce...

• autoimmune diseases
• helper t-cells
• fever
• antibodies

Pathogens are recognized by their...

• antigens
• antibodies
• killer t-cells
• B-cells

What is the body's first line of defense against infection by foreign organisms? 

• antibodies
• lymph nodes
• white blood cells
• the skin