Innate Immunity + Controlling Microbial Growth

Which of the following are examples of innate (non-specific) immunity?

• Skin forms a physical and antiseptic barrier to pathogens

• Leukocytes detect the antigens of the E.coli bacterium and produce antibodies

• Macrophages engulf bacterial cells at the site of infection

• The body produces large numbers of memory cells with specific antibodies

The process in which the macrophages ingest the antigens and break it into smaller pieces is....

• Peristalsis

• Osmosis

• Glycolysis

• Phagocytosis

Which of the following is an inflammatory mediator?

• Lysozyme

• Saliva

• Histamine

• Immunoglobulin

Select all examples of physical barriers

• skin, mucus, tears

• skin, mucus, earwax

• skin, tears, earwax

• stomach acid, music, earwax

 Liz notices that shortly after cutting her arm accidentally the area around the cut is turning red and feeling hot.  Which immune system defense is Liz experiencing?  

• inflammation
• white blood cell clotting
• skin
• fever

Which of the following cell types of the innate immune system does not perform phagocytosis?

• Basophils

• Neutrophils

• Macrophages

• Eosinophils

This line of defense forms a barrier that stops all "things" from getting into the body or blood

• 1st line defense

• 2nd line defense

• 3rd line defense

What category of immune response would sneezing fall under?

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

Which of the following is NOT a first line of defense of the non-specific (innate) immune system? These mechanisms prevent pathogens from entering the body.

• skin

• mucous membranes

• fever

• stomach acid

Diseases are caused by infections of pathogenic organisms

• Germ theory

• Koch theory

• Pasteur theory