First Line of Defence

This sticky fluid traps any pathogens that try and get in our body

• Mucous Lining

• Blood

• Stomach Acid

• Skin

What is the function of innate immune response?

• Act very rapid as a first line of defense to eliminate the infection
• Trap microbes so they cannot spread in our body freely
• Coordinate and support adaptive immunity
• All of the above

What category of immune response would sneezing and mucus production fall under?

• Innate Immunity
• Acquired Immunity
• Humoral Immunity
• Cell Mediated Immunity

Cells that provide a physical barrier to resist pathogen invasion, as well as secrete protective substances to discourage the accumulation of pathogens.

• Macrophages

• White blood cells

• Epithelial cells

• Helper T Cells

What is the largest outer defense of the body?

• Stomach Acid 
• Mucous Membranes
• White Blood Cells
• Skin

What is the main purpose of the immune system?

• support the body through bones and muscles
• get rid of waste from the body
• protect the body from pathogens
• move blood through the body

What is the body's first line of defence against infection?

• Physical barriers

• White blood cells

• Blood plasma

• Red blood cells

Which of the following is an example of a physical barrier?

• Defensins

• Intact Skin

• Skin Bacteria

• Lysosomes in Saliva

Which of the following is an example of a chemical barrier?

• Bark

• Hairs

• Stomach Acid

• Bacteria in GI tract