Immune System (Entree)

The (a)   is considered a first line of defense for the human immune system.

(a)   are proteins produced by the body to slow, clump and damage foreign particles (pathogens).

What are the different types of pathogens?

• bacteria, fungi, protists and parasites

• bacteria, viruses and parasites

• bacteria, viruses, fungi, protists and parasites

• bacteria and viruses only

Which of the following are ways that pathogens can enter the body?

• Direct contact such as touching an infected surface or breathing in infected air from someone coughing.

• Indirect contact such as kissing an infected person or hand shaking.

• Direct contact such as hand shaking and/or indirect contact such as breathing in infected air after someone sneezes or coughs.

• None of the answer choices are correct.

The picture below illustrates one internal part of the body’s immune system. What process is illustrated in the picture?  

• a skin cell destroying germs.
• inflammation near an opened wound
• a white blood cell destroying pathogens
• mucus in the lungs destroying pathogens

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

What do antibodies attach to on the pathogen?

• Anti inflammatory
• Antigens
• Antiseptic
• Antibodies

What is an example of passive immunity? Select all that apply.

• A) mother's milk

• B) genetics

• C) previous flu infection

• D) vaccinations

• B & D only

Many body systems work to produce non-specific responses to pathogens. Compare non-specific responses to specific responses and give an example of each.

The main organs of the immune system are the thymus, bone marrow, spleen, lymph nodes, (a)   and blood vessels.