The Immune System

Question 1

What is the function of the immune system?

Revolt · Accepted Answer

D: It responds when pathogens enter the body.

Question 2

A is an agent that can cause infections and diseases.

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pathogen

Question 3

The complement system is a barrier of the immune system. The complement system is a group of in the blood that detect pathogens that have entered the body. The complement system can cause , the swelling of a part of the body accompanied by redness, swelling, and pain as a response to infection.

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Part 1: biological; Part 2: proteins; Part 3: inflammation

Question 4

Use the drop-down menus to determine which type of white blood cell is described below. activate memory cells engulf and digest pathogens produce antibodies

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C: T Helper cells

Question 5

Identify the immune response described as nonspecific or specific. uses memory cells to fight off an infection from a pathogen evident by a sneeze, cough, fever, or other physical symptom recognizes antigens present on pathogens and attacks the pathogen with antibodies builds immunity to specific diseases that had previously entered the body does not target specific pathogens

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Selection 1: specific response; Selection 2: nonspecific response; Selection 3: specific response; Selection 4: specific response; Selection 5: nonspecific response

Question 6

Determine whether the statements below are true or false. When the body has a weakened immune system, the production of antibodies is increased. When the body has a weakened immune system, abnormal cells steal nutrients from healthy cells. When the body has a weakened immune system, the body is more susceptible to disease. When the body has a weakened immune system, the body mistakes pathogens as healthy cells and does not attack them.

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B: false

Question 7

What is it called when the body’s immune system attacks its healthy cells, mistaking them for pathogens?

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D: an autoimmune disorder

Question 8

Which of the following best describes why someone with an immunodeficiency disorders may get sick more easily than someone without the disorder?

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A: part of the immune system does not function properly

Question 9

You hear a commercial on the radio for a brand-new medicine guaranteed to boost immunity. Which source is the least likely to provide accurate information about this product?

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A: a popular culture magazine

Question 10

Use the drop-down menus to determine whether the following barriers are physical, chemical, or biological. lysozyme skin phagocytes Langerhans cells acid and oil secretions sneezing or coughing

Revolt · Accepted Answer

B: chemical

The Immune System Answers

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