Question 1

The somatic recombination hypothesis is one possible explanation for the diversity of antibodies.

Accepted Answer

A) True 
 B)False

Question 2

A macrophage can migrate out of the bloodstream.

Accepted Answer

A) True 
 B)False

Question 3

The second stage of B cell development usually takes place in the lymph nodes and spleen.

Accepted Answer

A) True 
 B)False

Question 4

When antibodies cause antigens to agglutinate,it allows them to be disposed of by phagocytes more easily.

Accepted Answer

A) True 
 B)False

Question 5

Suppressor T cells help B cells differentiate into antibody-secreting plasma cells by secreting cytokines such as interleukin-2 and interleukin-4.

Accepted Answer

A) True 
 B)False

Question 6

The combining site on an antibody determines the specificity of that antibody for an antigen.

Accepted Answer

A) True 
 B)False

Question 7

The immune mechanism that provides a defense by acting against cancer is termed nonspecific immunity.

Accepted Answer

A) True 
 B)False

Question 8

All antigens have epitopes of the same shape.

Accepted Answer

A) True 
 B)False

Question 9

T cells,by definition,are lymphocytes that have passed through the thyroid gland.

Accepted Answer

A) True 
 B)False

Question 10

Neutrophils function in the immune system by producing immunoglobulins.

Accepted Answer

A) True 
 B)False

Question 11

Cytokines include leukotrienes,interferons,and histamine.

Accepted Answer

A) True 
 B)False

Question 12

Pavementing is the attraction of neutrophils to the site of an infection.

Accepted Answer

A) True 
 B)False

Question 13

In phagocytosis,a foot-like projection,called a phagosome,extends toward a microorganism.

Accepted Answer

A) True 
 B)False

Question 14

Complement can be activated only by the specific immune system.

Accepted Answer

A) True 
 B)False

Question 15

Species resistance refers to a phenomenon in which the genetic characteristics common to a species provide defense against certain pathogens.

Accepted Answer

A) True 
 B)False

Question 16

Humoral immunity occurs within the plasma.

Accepted Answer

A) True 
 B)False

Question 17

B cells are named after a structure in birds.

Accepted Answer

A) True 
 B)False

Question 18

The most numerous type of phagocyte is the macrophage.

Accepted Answer

A) True 
 B)False

Question 19

A chemotactic factor attracts antibodies to the site of infection.

Accepted Answer

A) True 
 B)False

Question 20

The membrane attack complex is used by macrophages to mark bacteria for phagocytosis and antibody attack.

Accepted Answer

A) True 
 B)False

Exam 24: A: Immune System

Neutrophils function in the immune system by producing immunoglobulins.

Correct AnswerverifiedShow Answer

A macrophage can migrate out of the bloodstream.

Correct AnswerverifiedShow Answer

Complement can be activated only by the specific immune system.

Correct AnswerverifiedShow Answer

When antibodies cause antigens to agglutinate,it allows them to be disposed of by phagocytes more easily.

Correct AnswerverifiedShow Answer

Cytokines include leukotrienes,interferons,and histamine.

Correct AnswerverifiedShow Answer

Humoral immunity occurs within the plasma.

Correct AnswerverifiedShow Answer

Suppressor T cells help B cells differentiate into antibody-secreting plasma cells by secreting cytokines such as interleukin-2 and interleukin-4.

Correct AnswerverifiedShow Answer

The somatic recombination hypothesis is one possible explanation for the diversity of antibodies.

Correct AnswerverifiedShow Answer

All antigens have epitopes of the same shape.

Correct AnswerverifiedShow Answer

The combining site on an antibody determines the specificity of that antibody for an antigen.

Correct AnswerverifiedShow Answer

The second stage of B cell development usually takes place in the lymph nodes and spleen.

Correct AnswerverifiedShow Answer

The membrane attack complex is used by macrophages to mark bacteria for phagocytosis and antibody attack.

Correct AnswerverifiedShow Answer

The most numerous type of phagocyte is the macrophage.

Correct AnswerverifiedShow Answer

Species resistance refers to a phenomenon in which the genetic characteristics common to a species provide defense against certain pathogens.

Correct AnswerverifiedShow Answer

In phagocytosis,a foot-like projection,called a phagosome,extends toward a microorganism.

Correct AnswerverifiedShow Answer

B cells are named after a structure in birds.

Correct AnswerverifiedShow Answer

T cells,by definition,are lymphocytes that have passed through the thyroid gland.

Correct AnswerverifiedShow Answer

The immune mechanism that provides a defense by acting against cancer is termed nonspecific immunity.

Correct AnswerverifiedShow Answer

Pavementing is the attraction of neutrophils to the site of an infection.

Correct AnswerverifiedShow Answer

A chemotactic factor attracts antibodies to the site of infection.

Correct AnswerverifiedShow Answer

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