Immunology Exam 1 LabCE Questions
and Correct Answers
Which of the following immunoglobins classes is chiefly responsible for the degranulation of
mast cells and basophils? - <CORRECT ANSWER >>IgE
CD5 antigen is normally found on which of the following lymphocyte populations? - <CORRECT
ANSWER >>Mature T cells
Components of the second line of defense in the human body are: - <CORRECT ANSWER
>>Phagocytic cells; complement
Most antibodies present in cord blood are of __________ origin. - <CORRECT ANSWER
>>Maternal
The primary purpose of neutrophil granules is to: - <CORRECT ANSWER >>Provide microbicidal
action
Which of the following is responsible for causing transfusion associated graft-versus-host
disease? - <CORRECT ANSWER >>Lymphocytes
Which of the following is responsible for the humoral immune response? - <CORRECT ANSWER
>>B lymphocytes
What characteristic differentiates a secondary immune response from a primary immune
response? - <CORRECT ANSWER >>IgG is the predominant antibody class produced in the
secondary immune response compared to the primary immune response
Which complement pathway and a related initiator can activate compliment? - <CORRECT
ANSWER >>Classic pathway; antigen-IgG antibody complexes
, Which of the following choices best describe the primary function of antibodies? - <CORRECT
ANSWER >>Binds with antigen
The properties of an antibody class are defined by the: - <CORRECT ANSWER >>Fc end of the
molecule
Antigen processing is primarily accomplished by what type of cells? - <CORRECT ANSWER
>>Macrophages
Which of the following cells are capable of producing antibodies? - <CORRECT ANSWER
>>Lymphocytes
The last step of complement activation and formation of the "membrane attack" complex
(MAC) results in: - <CORRECT ANSWER >>Lysis of cells
Phagocytosis by cells of the mononuclear phagocytic system is greatly enhanced by which of
the following? - <CORRECT ANSWER >>Opsonins
A cytokine can be described as: - <CORRECT ANSWER >>A soluble protein that regulates the
immune system
Which of the following leukocytes is most directly associated with antibody production? -
<CORRECT ANSWER >>B-cell
What can be done to make a hapten behave like an antigen? - <CORRECT ANSWER >>Bind to
protein
Which immunoglobin is associated with anaphylactic shock? - <CORRECT ANSWER >>IgE
and Correct Answers
Which of the following immunoglobins classes is chiefly responsible for the degranulation of
mast cells and basophils? - <CORRECT ANSWER >>IgE
CD5 antigen is normally found on which of the following lymphocyte populations? - <CORRECT
ANSWER >>Mature T cells
Components of the second line of defense in the human body are: - <CORRECT ANSWER
>>Phagocytic cells; complement
Most antibodies present in cord blood are of __________ origin. - <CORRECT ANSWER
>>Maternal
The primary purpose of neutrophil granules is to: - <CORRECT ANSWER >>Provide microbicidal
action
Which of the following is responsible for causing transfusion associated graft-versus-host
disease? - <CORRECT ANSWER >>Lymphocytes
Which of the following is responsible for the humoral immune response? - <CORRECT ANSWER
>>B lymphocytes
What characteristic differentiates a secondary immune response from a primary immune
response? - <CORRECT ANSWER >>IgG is the predominant antibody class produced in the
secondary immune response compared to the primary immune response
Which complement pathway and a related initiator can activate compliment? - <CORRECT
ANSWER >>Classic pathway; antigen-IgG antibody complexes
, Which of the following choices best describe the primary function of antibodies? - <CORRECT
ANSWER >>Binds with antigen
The properties of an antibody class are defined by the: - <CORRECT ANSWER >>Fc end of the
molecule
Antigen processing is primarily accomplished by what type of cells? - <CORRECT ANSWER
>>Macrophages
Which of the following cells are capable of producing antibodies? - <CORRECT ANSWER
>>Lymphocytes
The last step of complement activation and formation of the "membrane attack" complex
(MAC) results in: - <CORRECT ANSWER >>Lysis of cells
Phagocytosis by cells of the mononuclear phagocytic system is greatly enhanced by which of
the following? - <CORRECT ANSWER >>Opsonins
A cytokine can be described as: - <CORRECT ANSWER >>A soluble protein that regulates the
immune system
Which of the following leukocytes is most directly associated with antibody production? -
<CORRECT ANSWER >>B-cell
What can be done to make a hapten behave like an antigen? - <CORRECT ANSWER >>Bind to
protein
Which immunoglobin is associated with anaphylactic shock? - <CORRECT ANSWER >>IgE
