Immune System Review

What is the term for a strong response to a harmless antigen in the environment?

• An allergy

• Cell-mediated immunity

• An autoimmune disease

• Inflammatory response

What is the body's first line (non-specific) of defense against infection by foreign organisms?

• antibodies

• lymph nodes

• white blood cells

• the skin

What is the scientific name of the causes of infectious diseases?

• Germ

• Pathogen

• Intruder

• Disease

A protein that attacks antigens is called:

• Antibody

• Immune response

• Inflammatory Response

• Vector

What is a vaccine?

• A weakened pathogen injected in the body to produce immunity

• Temporary immunity that develops as natural exposure

• An overreaction of the immune system

• Medicine that helps after you're infected

The purpose of the immune system is to:

• Help germs invade your body
• Fight off sickness
• Make your nose run
• Give you diarrhea

Which of the following is an example of active immunity?

• You get a vaccination
• You create antibodies
• You get infected
• All of these are correct

Which is an example of passive immunity?

• You have been infected
• You have been vaccinated
• You made antibodies
• You got your mother's antibodies

True/False: Your body cannot make antibodies for pathogens that you have never been in contact with.

• True, because your body needs to encounter the pathogen at least once in order to create the antibodies.

• False, because you can make antibodies via immunizations given by a doctor.

Which of the following statements is TRUE about someone's immune system that has allergies?

• Body cells are dividing at an uncontrolled rate.

• The body is reacting to foreign materials that are not actually dangerous.

• T cells and B cells in the body cannot be activated.

• The body is mistaking its own cells for foreign antigens.