Alexandra Bozan
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Study Guide: Immunity System

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Alexandra Bozan
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Study Guide: Immunity System

Question 1 of 45

1

Which of the following cells is not involved with innate immunity?

Select one of the following:

  • natural killer cells

  • neutrophils

  • macrophages

  • all of the above are involved with innate immunity

Explanation

Question 2 of 45

1

The first line of defense in innate immunity is

Select one of the following:

  • inflammation

  • phagocytosis

  • mechanical and chemical barriers

  • complement

Explanation

Question 3 of 45

1

Which of the following is a phagocytic monocyte that migrates out of the bloodstream?

Select one of the following:

  • neutrophil

  • macrophage

  • phagosome

  • none of the above

Explanation

Question 4 of 45

1

The immune mechanism that provides a general defense by acting against anything recognized as nonself is termed adaptive immunity

Select one of the following:

  • True
  • False

Explanation

Question 5 of 45

1

Interferon has been proven effective as a treatment against most cancers

Select one of the following:

  • True
  • False

Explanation

Question 6 of 45

1

The complement cascade causes phagocytosis of the foreign cell that triggered it

Select one of the following:

  • True
  • False

Explanation

Question 7 of 45

1

Natural killer cells are a group of lymphocytes that kill many types of tumor cells and cells infected by different kinds of viruses

Select one of the following:

  • True
  • False

Explanation

Question 8 of 45

1

Molecular markers:
Process used by complement to mark microbes for destruction by phagocytes cells:
Cytokine:
Pattern-recognition receptors in the membranes of host cells:
Second line of defense:
Ability to activate an effective response to an antigen:
Must engage their target cells by direct contact to cause cell destruction:
Another term for innate immunity:
Major category of immune mechanism:
Name given to each of about 20 inactive enzymes in the plasma and on cell surfaces:

Drag and drop to complete the text.

    antigen
    opsonization
    interferon
    toll-like receptors
    phagocytes
    immunocompetence
    natural killer cells
    non-specific
    innate immunity
    complement

Explanation

Question 9 of 45

1

Fill the blank space to complete the text.

Chemicals released from cells to trigger or regulate innate and adaptive responses are .

Explanation

Question 10 of 45

1

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Natural killer cells are a group of that kill many types of tumor cells and cells infected with different types of viruses.

Explanation

Question 11 of 45

1

Fill the blank spaces to complete the text.

The ability of our immune system to attack abnormal or foreign cells but spare our own normal cells is .

Explanation

Question 12 of 45

1

Phagocytosis is a specific defense mechanism

Select one of the following:

  • True
  • False

Explanation

Question 13 of 45

1

Diapedesis si the movement of neutrophils out of the bloodstream and around the tissue cells to the site of the injury

Select one of the following:

  • True
  • False

Explanation

Question 14 of 45

1

Innate immunity is also knows as adaptive immunity

Select one of the following:

  • True
  • False

Explanation

Question 15 of 45

1

Sebum and mucus are part of the body's first line of defense

Select one of the following:

  • True
  • False

Explanation

Question 16 of 45

1

The primary cells involved in adaptive immunity are T cells and B cells

Select one of the following:

  • True
  • False

Explanation

Question 17 of 45

1

B cells and T cells are examples of

Select one of the following:

  • monocytes

  • lymphocytes

  • neturophils

  • macrophages

Explanation

Question 18 of 45

1

Cell-mediated immunity involves

Select one of the following:

  • a. B cells

  • b. T cells

  • c. both a and b

  • d. neither a or b

Explanation

Question 19 of 45

1

The T cell subsets that are clinically important in diagnosing AIDS are

Select one of the following:

  • a. CD4

  • b. CD8

  • c. neither a nor b

  • d. both a and b

Explanation

Question 20 of 45

1

The specific cells that secrete antibodies are

Select one of the following:

  • B cells

  • T cells

  • plasma cells

  • none of the above

Explanation

Question 21 of 45

1

T cells are sensitized by

Select one of the following:

  • direct exposure to an antigen

  • presentation of an antigen by an antigen-presenting cell

  • antibodies produced by B cells

  • lymphokines

Explanation

Question 22 of 45

1

Complement can best be described as

Select one of the following:

  • an antibody

  • an enzyme in the blood plasma

  • a hormone

  • a lymphokine

Explanation

Question 23 of 45

1

The chemical messengers that T cells release into inflamed tissues are called

Select one of the following:

  • pathogens

  • cytokines

  • lymphotoxins

  • suppressor cells

Explanation

Question 24 of 45

1

Fill the blank space to complete the text.

Antibodies are proteins of the family called

Explanation

Question 25 of 45

1

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is the predominant class of antibody produced after initial contact with an antigen

Explanation

Question 26 of 45

1

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The first vaccination was against the .

Explanation

Question 27 of 45

1

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Some vaccines use (weakened) pathogens.

Explanation

Question 28 of 45

1

Fill the blank spaces to complete the text.

generally lasts longer than passive immunity.

Explanation

Question 29 of 45

1

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Abnormal antigens or are present in the plasma membranes of some cancer cells in addition to self-antigens.

Explanation

Question 30 of 45

1

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Helper T cells and suppressor T cells help regulate function by regulating B cell and T cell function.

Explanation

Question 31 of 45

1

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A fetus receives protection from the mother through immunity.

Explanation

Question 32 of 45

1

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A vaccine provides immunity.

Explanation

Question 33 of 45

1

T cells do which of the following?

Select one of the following:

  • develop in the thymus

  • form memory cells

  • form plasma cells

  • all of the above

Explanation

Question 34 of 45

1

B cells do which of the following?

Select one of the following:

  • develop into plasma cells and memory cells

  • secrete antibodies

  • develop from primitive cells in bone marrow called stem cells and then into naïve B cells

  • all of the above

Explanation

Question 35 of 45

1

Which of the following kills invading cells by drilling a hole in their plasma membrane?

Select one of the following:

  • interferon

  • complement

  • antibody

  • memory cell

Explanation

Question 36 of 45

1

What is a rapidly growing population of identical cells that produce large quantities of specific antibodies called?

Select one of the following:

  • complementary

  • lymphotoxic

  • chemotactic

  • monoclonal

Explanation

Question 37 of 45

1

Which of the following is a form of passive natural immunity?

Select one of the following:

  • A child develops measles and acquires immunity to subsequent exposure

  • Antibodies are injected into an infected individual

  • An infant receives protection through its mother's milk

  • Vaccination are given against smallpox

Explanation

Question 38 of 45

1

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Hypersensitivity of the immune system to an environmental antigen is known as an .

Explanation

Question 39 of 45

1

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Drugs used to relieve the symptoms of allergies are called .

Explanation

Question 40 of 45

1

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A is a powerful poison that acts directly and quickly to kill any cell it attacks.

Explanation

Question 41 of 45

1

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Antibody-mediated immunity is sometimes referred to as ( humoral, cellular ) immunity.

Explanation

Question 42 of 45

1

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Antibodies are proteins of the family called ( immunoglobulins, lymphotoxins ).

Explanation

Question 43 of 45

1

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Complements attacks antigens by ( cytolysis, clonal deletion ).

Explanation

Question 44 of 45

1

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The chemical messengers released by T cells are called ( cytokines, interleukins ).

Explanation

Question 45 of 45

1

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Vaccinations are ( active, passive ) forms of gaining immunity.

Explanation

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