Immune System

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

Answer explanation

An allergy is the term for a strong response to a harmless antigen in the environment, making it the correct choice among the options provided.

What are the two parts of the immune system

• Innate and Adaptive

• Passive and Aggressive

• Innate and Non-Specific

• Adaptive and Acquired

Answer explanation

The two parts of the immune system are Innate and Adaptive, which work together to provide defense against pathogens and foreign invaders.

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

• Germ

• Pathogen

• Intruder

• Disease

Answer explanation

The correct scientific term for the causes of infectious diseases is 'Pathogen'.

A protein that attacks antigens is called:

• Antibody

• Immune response

• Inflammatory Response

• Vector

Answer explanation

A protein that attacks antigens is called an Antibody.

Tags

NGSS.HS-LS1-3

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

Answer explanation

A vaccine is a weakened pathogen injected in the body to produce immunity, helping the immune system recognize and fight off the actual pathogen in the future.

The purpose of the immune system is to:

• Help germs invade your body

• Fight off sickness

• Make your nose run

• Give you diarrhea

Answer explanation

The purpose of the immune system is to fight off sickness by protecting the body from harmful pathogens and infections.

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.

Answer explanation

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

A molecule that the immune system recognizes either as part of the body or as coming from outside the body:

• Antigen

• Antibodies

• Antibiotics

• Antipaths

Answer explanation

An antigen is a molecule that the immune system recognizes either as part of the body or as coming from outside the body, making it the correct choice in this context.

True or false: Sneezes and coughs help your body to get rid of pathogens

• true

• false

Answer explanation

True, sneezes and coughs help your body to get rid of pathogens by expelling them from the respiratory system.

Tags

NGSS.HS-LS1-3

A disease that is harmful to the body and is contagious is called....

• Non-Infectious

• Infectious

Answer explanation

A disease that is harmful to the body and contagious is called Infectious, as it can be spread from person to person or through other means of transmission.