Question 1

The display of an antigen on the surface of a cell's plasma membrane surface is called (2 words) ________.

Accepted Answer

antigen pr...

Question 2

Why are functions of T-lymphocytes referred to as "cell-mediated" immunity?

Accepted Answer

A)   Because T-lymphocytes are cells and not just plasma proteins
B)   Because T-lymphocytes work against antigens associated with cells
C)   Because T-lymphocytes work only against single-celled infectious agents
D)   Because T-lymphocytes must activate other classes of cells in order to have any effectE) A) and D)
F) A) and B)

Question 3

MHC class I molecules on a cell allow it to interact with

Accepted Answer

A)   natural killer cells.
B)   cytotoxic T-lymphocytes.
C)   helper T-lymphocytes.
D)   CD8+ B-lymphocytes.E) None of the above
F) C) and D)

Question 4

Which is not one of the cardinal signs of inflammation?

Accepted Answer

A)   Heat
B)   Redness
C)   Loss of function
D)   Numbness
E)   SwellingF) A) and D)
G) A) and C)

Question 5

The Fc region of some antibodies can trigger the activity of NK cells.

Accepted Answer

A) True 
 B)False

Question 6

B-lymphocytes cannot bind directly with an antigen, and so require presentation by another type of cell.

Accepted Answer

A) True 
 B)False

Question 7

Small fragments of infectious proteins that cause disease in nervous tissue are known as ________.

Accepted Answer

The answer of Small fragments of infectious proteins that cause...

Question 8

An immunoglobulin is a(n)

Accepted Answer

A)   antibody, which is a white blood cell.
B)   antibody, which is a protein molecule.
C)   lymphocyte, which is a white blood cell.
D)   lymphocyte, which is a protein molecule.
E)   antigen, which is a cell receptor.F) D) and E)
G) A) and B)

Question 9

Which part of an antibody attaches to an antigen?

Accepted Answer

A)   The hinge region
B)   The constant region
C)   The heavy chain
D)   The variable regionE) None of the above
F) A) and B)

Question 10

If someone had a cut in their skin through which a bacterium entered, but that bacterium was then destroyed by a neutrophil, this would be an example of

Accepted Answer

A)   failed external adaptive immunity, but successful innate immunity.
B)   failed innate immunity, but successful adaptive immunity.
C)   failed external innate immunity, but successful internal innate immunity.
D)   failed external immunity, but successful internal acquired immunity.E) None of the above
F) B) and D)

Question 11

In passive immunity, the individual has not had an antigenic challenge.

Accepted Answer

A) True 
 B)False

Question 12

Inflamed tissue feels warm due to

Accepted Answer

A)   increased blood flow and increased metabolic activity.
B)   the margination of white blood cells.
C)   chemotaxis and defervescence.
D)   activation of complement by binding of C-reactive protein to bacterial carbohydrates.E) A) and C)
F) None of the above

Question 13

Nonspecific immunity is another name for

Accepted Answer

A)   adaptive immunity.
B)   innate immunity.
C)   cell-mediated immunity.
D)   acquired immunity.E) C) and D)
F) B) and D)

Question 14

The secondary response of the immune system to an infectious agent involves

Accepted Answer

A)   fewer cells than the antigen challenge, as the response has become more specific.
B)   more cells than the antigen challenge, due to the proliferation of memory cells.
C)   amnesia of past exposures, so that a perfectly adapted response can be generated to the new pathogen.D) A) and B)
E) All of the above

Question 15

The concentration of a particular antibody within the blood is referred to as the antibody ________.

Accepted Answer

The answer of The concentration of a particular antibody within...

Question 16

Antibody concentration is termed antibody ________.

Accepted Answer

The answer of Antibody concentration is termed antibody ________....

Question 17

Helper T-lymphocytes primarily contain the CD8 coreceptor.

Accepted Answer

A) True 
 B)False

Question 18

A secondary response to an infectious agent has a ________ latent phase than a primary response has.

Accepted Answer

A)   longer
B)   shorterC) A) and B)
D) undefined

Question 19

Some antibodies cross the placenta.

Accepted Answer

A) True 
 B)False

Question 20

The cell-mediated branch of the immune system is called such because it interacts with antigens associated with cells.

Accepted Answer

A) True 
 B)False

Exam 22: Immune System and the Bodys Defense

Inflamed tissue feels warm due to

Correct AnswerverifiedShow Answer

In passive immunity, the individual has not had an antigenic challenge.

Correct AnswerverifiedShow Answer

Some antibodies cross the placenta.

Correct AnswerverifiedShow Answer

The secondary response of the immune system to an infectious agent involves

Correct AnswerverifiedShow Answer

The display of an antigen on the surface of a cell's plasma membrane surface is called (2 words) ________.

Correct Answerverifiedantigen pr...View AnswerShow Answer

Which part of an antibody attaches to an antigen?

Correct AnswerverifiedShow Answer

A secondary response to an infectious agent has a ________ latent phase than a primary response has.

Correct AnswerverifiedShow Answer

Helper T-lymphocytes primarily contain the CD8 coreceptor.

Correct AnswerverifiedShow Answer

The concentration of a particular antibody within the blood is referred to as the antibody ________.

Correct AnswerverifiedShow Answer

Antibody concentration is termed antibody ________.

Correct AnswerverifiedShow Answer

The Fc region of some antibodies can trigger the activity of NK cells.

Correct AnswerverifiedShow Answer

B-lymphocytes cannot bind directly with an antigen, and so require presentation by another type of cell.

Correct AnswerverifiedShow Answer

MHC class I molecules on a cell allow it to interact with

Correct AnswerverifiedShow Answer

Small fragments of infectious proteins that cause disease in nervous tissue are known as ________.

Correct AnswerverifiedShow Answer

If someone had a cut in their skin through which a bacterium entered, but that bacterium was then destroyed by a neutrophil, this would be an example of

Correct AnswerverifiedShow Answer

An immunoglobulin is a(n)

Correct AnswerverifiedShow Answer

Nonspecific immunity is another name for

Correct AnswerverifiedShow Answer

The cell-mediated branch of the immune system is called such because it interacts with antigens associated with cells.

Correct AnswerverifiedShow Answer

Which is not one of the cardinal signs of inflammation?

Correct AnswerverifiedShow Answer

Why are functions of T-lymphocytes referred to as "cell-mediated" immunity?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
antigen pr...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified