Innate, Acquired, Humoral and Cell Mediated Immunity

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

Which one is a way the body defends against a pathogen?

• Fever
• Stomach Acid digesting
• White Blood Cells fighing
• All of these are correct

Tags

NGSS.HS-LS1-3

 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

Cells that ingest pathogens are

• plasma cells
• phagocytic cells
• helper T cells
• antibodies

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 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

What name is given to the cells lining the trachea (windpipe) that work together to catch and sweep away pathogens trapped in mucus?

• Salivary glands & goblet cells

• Pancreatic cells & goblet cells

• Cilliated epithelial cells & muscle cells

• Cilliated epithelial cells & goblet cells

An agent that causes a disease is a...

• Pathogen

• Coronavirus

• Antigen

• Leukocyte

The response to an infection. Causes the area to redden, swell, and feel warm.

• Fever

• Mucus

• Dilation

• Inflammation

Chemical that causes the blood vessels around the infection to dilate (expand) so that more blood can flow to the infection

• Stomach acid

• Mucus

• Epithelial cells

• Histamines