Innate 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.MS-LS1-3

 Like all other body systems, the immune system helps the body maintain homeostasis.  Which statement best describes how the immune system does this?  

• it protects other organs and tissues from infection and disease
• it breaks down food to provide cells with nutrients
• it gathers information through the senses and controls all other body systems
•  it transports oxygen and carbon dioxide

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

Tags

NGSS.MS-LS1-3

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

When is passive immunity developed?

• After a baby's first vaccination

• After a baby's first bacterial infection

• Before birth

• After a baby's first dose of antibiotics

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