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Effects of the Immune System

Authored by John Sanders

Biology, Science

6th Grade

Used 2+ times

Effects of the Immune System
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33 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The healthy human immune system responds to pathogens with both specific and nonspecific processes. Which of the following models represents a nonspecific response?

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2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

An immune response that occurs in the human body is shown above. This activity helps to do which of the following?

Produce antibiotics to control disease

Provide protection against a specific pathogen

Provide protection against all types of pathogens

Eliminate harmful gene alterations

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After an initial infection, B-cells recognize the measles virus. How is this helpful in human immune response?

The B-cells use this recognition to defend the body against other pathogens, such as bacteria.

The B-cells more quickly recognize and respond to any other virus that invades the body.

The B-cells produce antibodies more quickly if the measles virus is encountered again.

The B-cells transfer this recognition to T-cells, which will then devour the viruses.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

antibodies

lymph nodes

white blood cells

the skin

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

White blood cells are an important part of the human immune response. Two types of white blood cells, neutrophils and macrophages, act as phagocytes. Phagocytes perform which of the following functions in the human body?

They produce antibodies.

They bind to antigens and develop into plasma cells

They form a barrier against pathogens.

They engulf and destroy bacteria

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Although vaccines cannot be used to treat a person who is sick, they can help to prevent infections. Vaccinations tell the body to create "memory cells", which will function later to create antibodies against certain pathogens. When a person is vaccinated, what are they injected with?

antibodies to a disease bacterium

live, inactive viruses

weakened viruses or antigens from the virus

blood from a person who has had the disease

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