Question 1

Antibodies detected by reacting rickettsial antigens with specific antibody followed by use of an anti-immunoglobulin with a fluorescent tag could be used to diagnose:

Accepted Answer

A)  Rocky Mountain spotted fever 
B)  Mycoplasma pneumonia 
C)  stomach ulcers 
D)  rheumatic fever 
A)  Rocky Mountain spotted fever 
B)  Mycoplasma pneumonia 
C)  stomach ulcers 
D)  rheumatic fever A

Question 2

How does complement help in defense against bacterial invasion?

Accepted Answer

A)  It promotes phagocytosis. 
B)  It neutralizes bacterial toxins. 
C)  It prevents bacteria from penetrating the skin. 
D)  It fuses lysosomal granules to bacterial cell walls. 
A)  It promotes phagocytosis. 
B)  It neutralizes bacterial toxins. 
C)  It prevents bacteria from penetrating the skin. 
D)  It fuses lysosomal granules to bacterial cell walls. A

Question 3

Which of the following bacterial enzymes causes the release of lysosomal contents into the cytoplasm of the phagocytic cell,leading to the death of the cell?

Accepted Answer

A)  protein H 
B)  leukocidin 
C)  M protein 
D)  IgA protease 
A)  protein H 
B)  leukocidin 
C)  M protein 
D)  IgA protease B

Question 4

Acute glomerulonephritis is due to:

Accepted Answer

A)  deposition of immune complexes in the kidney 
B)  destruction of glomeruli by Streptolysin O 
C)  formation of cross-reacting antibodies 
D)  invasion of the kidney by Streptococcus pyogenes 
A)  deposition of immune complexes in the kidney 
B)  destruction of glomeruli by Streptolysin O 
C)  formation of cross-reacting antibodies 
D)  invasion of the kidney by Streptococcus pyogenes

Question 5

Organisms that are short rods or coccobacilli and obligate intracellular bacteria best describes:

Accepted Answer

A)  Streptococcus pyogenes 
B)  Helicobacter pylori 
C)  Rickettsia prowazekii 
D)  Mycoplasma pneumonia 
A)  Streptococcus pyogenes 
B)  Helicobacter pylori 
C)  Rickettsia prowazekii 
D)  Mycoplasma pneumonia

Question 6

What is the main reason testing for cold agglutinins is no longer recommended to diagnose infection with Mycoplasma pneumonia?

Accepted Answer

A)  It is difficult to perform. 
B)  False-positives may be caused by certain viruses. 
C)  Very few people develop anti-I antibodies. 
D)  It requires expensive instrumentation. 
A)  It is difficult to perform. 
B)  False-positives may be caused by certain viruses. 
C)  Very few people develop anti-I antibodies. 
D)  It requires expensive instrumentation.

Question 7

Which of the following statements best describes Helicobacter pylori?

Accepted Answer

A)  It is a gram-positive coccus that causes skin infections. 
B)  It is a gram-negative spiral that causes ulcers. 
C)  It lacks a cell wall and produces a lot of acid. 
D)  It can be detected by testing for cold agglutinins. 
A)  It is a gram-positive coccus that causes skin infections. 
B)  It is a gram-negative spiral that causes ulcers. 
C)  It lacks a cell wall and produces a lot of acid. 
D)  It can be detected by testing for cold agglutinins.

Question 8

All of the following are tests used to identify Helicobacter pylori EXCEPT:

Accepted Answer

A)  polymerase chain reaction 
B)  urease 
C)  enzyme immunoassay 
D)  DNase 
A)  polymerase chain reaction 
B)  urease 
C)  enzyme immunoassay 
D)  DNase

Question 9

Antibodies against streptolysin O,hyaluronidase,and DNase B are measured in the diagnosis of which disease?

Accepted Answer

A)  streptococcal pharyngitis 
B)  rheumatic fever 
C)  rheumatoid arthritis 
D)  systemic lupus erythematosus 
A)  streptococcal pharyngitis 
B)  rheumatic fever 
C)  rheumatoid arthritis 
D)  systemic lupus erythematosus

Question 10

An ASO test was performed on the serum from a 10-year-old female patient with the following results: no hemolysis in the 1:10,1:20,1:40,and 1:80 tubes; and hemolysis in the 1:160,1:320,and 1:640 tubes.What conclusion can you draw from these results?

Accepted Answer

A)  The titer is 1:640,and the patient may have glomerulonephritis. 
B)  The titer is 1:160,and the patient may have rheumatic fever. 
C)  The titer is 1:80,and the patient is normal. 
D)  The test is invalid and must be repeated. 
A)  The titer is 1:640,and the patient may have glomerulonephritis. 
B)  The titer is 1:160,and the patient may have rheumatic fever. 
C)  The titer is 1:80,and the patient is normal. 
D)  The test is invalid and must be repeated.

Antibodies detected by reacting rickettsial antigens with specific antibody followed by use of an anti-immunoglobulin with a fluorescent tag could be used to diagnose:

How does complement help in defense against bacterial invasion?

Which of the following bacterial enzymes causes the release of lysosomal contents into the cytoplasm of the phagocytic cell,leading to the death of the cell?

Acute glomerulonephritis is due to:

Organisms that are short rods or coccobacilli and obligate intracellular bacteria best describes:

What is the main reason testing for cold agglutinins is no longer recommended to diagnose infection with Mycoplasma pneumonia?

Which of the following statements best describes Helicobacter pylori?

All of the following are tests used to identify Helicobacter pylori EXCEPT:

Antibodies against streptolysin O,hyaluronidase,and DNase B are measured in the diagnosis of which disease?

An ASO test was performed on the serum from a 10-year-old female patient with the following results: no hemolysis in the 1:10,1:20,1:40,and 1:80 tubes; and hemolysis in the 1:160,1:320,and 1:640 tubes.What conclusion can you draw from these results?

Introduction and Natural Immunity

Lymphoid System

Nature of Antigens and Major Histocompatibility Complex

Antibody Structure and Function

Cytokines

Complement System

Safety and Specimen Preparation

Precipitation Reactions

Agglutination

Labeled Immunoassays

Molecular Techniques

Flow Cytometry and Laboratory Automation

Hypersensitivity

Autoimmunity

Immunoproliferative Diseases

Immunodeficiency Disease

Transplantation Immunology

Serologic and Molecular Detection of Bacterial Infections

Serologic and Molecular Detection of Bacterial Infections

Serology of Parasitic and Fungal Infections

Spirochete Diseases

Filters

Exam 19: Tumor Immunology

Antibodies detected by reacting rickettsial antigens with specific antibody followed by use of an anti-immunoglobulin with a fluorescent tag could be used to diagnose:

How does complement help in defense against bacterial invasion?

Which of the following bacterial enzymes causes the release of lysosomal contents into the cytoplasm of the phagocytic cell,leading to the death of the cell?

Acute glomerulonephritis is due to:

Organisms that are short rods or coccobacilli and obligate intracellular bacteria best describes:

What is the main reason testing for cold agglutinins is no longer recommended to diagnose infection with Mycoplasma pneumonia?

Which of the following statements best describes Helicobacter pylori?

All of the following are tests used to identify Helicobacter pylori EXCEPT:

Antibodies against streptolysin O,hyaluronidase,and DNase B are measured in the diagnosis of which disease?

An ASO test was performed on the serum from a 10-year-old female patient with the following results: no hemolysis in the 1:10,1:20,1:40,and 1:80 tubes; and hemolysis in the 1:160,1:320,and 1:640 tubes.What conclusion can you draw from these results?

Introduction and Natural Immunity

Lymphoid System

Nature of Antigens and Major Histocompatibility Complex

Antibody Structure and Function

Cytokines

Complement System

Safety and Specimen Preparation

Precipitation Reactions

Agglutination

Labeled Immunoassays

Molecular Techniques

Flow Cytometry and Laboratory Automation

Hypersensitivity

Autoimmunity

Immunoproliferative Diseases

Immunodeficiency Disease

Transplantation Immunology

Serologic and Molecular Detection of Bacterial Infections

Serologic and Molecular Detection of Bacterial Infections

Serology of Parasitic and Fungal Infections

Spirochete Diseases

Filters