Question 1

Rubella infection may resemble all the following except:

Accepted Answer

A) infectious mononucleosis. 
B) drug-induced rashes. 
C) chickenpox. 
D) scarlet fever. 
A) infectious mononucleosis. 
B) drug-induced rashes. 
C) chickenpox. 
D) scarlet fever. C

Question 2

Production of IgG antibody to rubella virus is not associated with the appearance of clinical signs and symptoms.

Accepted Answer

A) True 
 B)False  False

Question 3

About which percentage of infants infected in utero with rubella fail to survive beyond 18 months?

Accepted Answer

A) Less than 10% 
B) 10% to 20% 
C) 20% to 30% 
D) More than 30% 
A) Less than 10% 
B) 10% to 20% 
C) 20% to 30% 
D) More than 30% B

Question 4

The risk of fetal anomalies in maternal rubella is highest in the

Accepted Answer

A) first month. 
B) second month. 
C) third month. 
D) second trimester. 
A) first month. 
B) second month. 
C) third month. 
D) second trimester.

Question 5

In a patient with primary rubella infection, the appearance of __________ is associated with the manifestation of clinical signs and symptoms, when present.

Accepted Answer

A) IgM 
B) IgG 
C) IgM and IgG 
D) IgG and IgA 
A) IgM 
B) IgG 
C) IgM and IgG 
D) IgG and IgA

Question 6

The diagnosis of congenital rubella infection can be determined by measuring

Accepted Answer

A) IgM levels in the neonate. 
B) IgG levels in the neonate. 
C) IgG levels in the mother. 
D) both IgM and IgG levels in the mother. 
A) IgM levels in the neonate. 
B) IgG levels in the neonate. 
C) IgG levels in the mother. 
D) both IgM and IgG levels in the mother.

Question 7

Individuals requiring rubella immune status determination include all females and no males.

Accepted Answer

A) True 
 B)False

Question 8

Acquired rubella is also known as

Accepted Answer

A) German measles. 
B) 3-day measles. 
C) infectious rubella. 
D) Both A and B. 
A) German measles. 
B) 3-day measles. 
C) infectious rubella. 
D) Both A and B.

Question 9

Methods for detecting rubella include all the following except

Accepted Answer

A) hemagglutination inhibition. 
B) an enzyme immunoassay (EI
A) . 
C) a fluorescent immunoassay (FI
A) . 
D) viral culture. 
A) hemagglutination inhibition. 
B) an enzyme immunoassay (EI
A) . 
C) a fluorescent immunoassay (FI
A) . 
D) viral culture.

Question 10

On American college and university campuses, the susceptibility to rubella infection among students is estimated to be as high as 50%.

Accepted Answer

A) True 
 B)False

Question 11

Antibodies to rubella virus remain present and protective indefinitely.

Accepted Answer

A) True 
 B)False

Question 12

In a patient with a rubeola infection, the appearance of __________ is associated with seroconversion after vaccination.

Accepted Answer

A) IgM 
B) IgG 
C) IgM and IgG 
D) IgG and IgA 
A) IgM 
B) IgG 
C) IgM and IgG 
D) IgG and IgA

Question 13

IgG rubella antibody in a concentration of 1:8 or greater indicates

Accepted Answer

A) past infection with rubella virus. 
B) clinical protection against future rubella infection. 
C) acute infection with rubella virus. 
D) Both A and B. 
A) past infection with rubella virus. 
B) clinical protection against future rubella infection. 
C) acute infection with rubella virus. 
D) Both A and B.

Question 14

In countries in which vaccination is uncommon, the incidence of rubella infection is high and epidemics are frequent.

Accepted Answer

A) True 
 B)False

Question 15

If paired specimen testing reveals that the titer of rubella antibody is the same, the results indicate that the

Accepted Answer

A) patient was previously immunized. 
B) acute specimen was taken after the titer of antibody was at a maximum concentration. 
C) convalescent specimen was taken too early. 
D) Both A and B. 
A) patient was previously immunized. 
B) acute specimen was taken after the titer of antibody was at a maximum concentration. 
C) convalescent specimen was taken too early. 
D) Both A and B.

Question 16

The presence of IgM antibody to rubella virus in a single specimen suggests that the patient has recently experienced a rubella infection.

Accepted Answer

A) True 
 B)False

Question 17

In countries with active rubella vaccination programs, individuals who have not been vaccinated have a higher level of susceptibility to rubella infection.

Accepted Answer

A) True 
 B)False

Question 18

No rubella infection outbreaks have occurred in the United States in the recent past.

Accepted Answer

A) True 
 B)False

Question 19

Rubella infection is transmitted by

Accepted Answer

A) blood transfusions. 
B) respiratory secretions. 
C) fecal contamination. 
D) contaminated food. 
A) blood transfusions. 
B) respiratory secretions. 
C) fecal contamination. 
D) contaminated food.

Question 20

Individuals requiring rubella immune status determination include health care personnel.

Accepted Answer

A) True 
 B)False

Exam 23: Rubella and Rubeola Infections

Rubella infection may resemble all the following except:

Production of IgG antibody to rubella virus is not associated with the appearance of clinical signs and symptoms.

About which percentage of infants infected in utero with rubella fail to survive beyond 18 months?

The risk of fetal anomalies in maternal rubella is highest in the

In a patient with primary rubella infection, the appearance of __________ is associated with the manifestation of clinical signs and symptoms, when present.

The diagnosis of congenital rubella infection can be determined by measuring

Individuals requiring rubella immune status determination include all females and no males.

Acquired rubella is also known as

Methods for detecting rubella include all the following except

On American college and university campuses, the susceptibility to rubella infection among students is estimated to be as high as 50%.

Antibodies to rubella virus remain present and protective indefinitely.

In a patient with a rubeola infection, the appearance of __________ is associated with seroconversion after vaccination.

IgG rubella antibody in a concentration of 1:8 or greater indicates

In countries in which vaccination is uncommon, the incidence of rubella infection is high and epidemics are frequent.

If paired specimen testing reveals that the titer of rubella antibody is the same, the results indicate that the

The presence of IgM antibody to rubella virus in a single specimen suggests that the patient has recently experienced a rubella infection.

In countries with active rubella vaccination programs, individuals who have not been vaccinated have a higher level of susceptibility to rubella infection.

No rubella infection outbreaks have occurred in the United States in the recent past.

Rubella infection is transmitted by

Individuals requiring rubella immune status determination include health care personnel.

An Overview of Immunology

Antigens and Antibodies

Cells and Cellular Activities of the Immune System: Granulocytes and Mononuclear Cells

Cells and Cellular Activities of the Immune System: Lymphocytes and Plasma Cells

Soluble Mediators of the Immune System

Safety in the Immunology-Serology Laboratory

Quality Assurance and Quality Control

Basic Serologic Laboratory Techniques

Rapid Testing

Precipitation and Particle Agglutination Methods

Electrophoresis Techniques

Labeling Techniques in Immunoassay

Flow Cytometry

Molecular Laboratory Techniques

Infectious Diseases: Traditional and Alternate Diagnostic Techniques

Streptococcal Infections

Syphilis

Vector-Borne Diseases

Toxoplasmosis

Cytomegalovirus

Infectious Mononucleosis

Viral Hepatitis

Primary and Acquired Immune Deficiency Syndromes

Hypersensitivity Reactions

Immunoproliferative Disorders

Tolerance, Autoimmunity, and Autoimmune Diseases

Systemic Lupus Erythematosus

Rheumatoid Arthritis

Transplantation: Hla, Solid Organ, and Hematopoietic Stem Cells

Tumor Immunology and Up-To-Date Applications of Next-Generation Sequencing

Primer on Vaccines

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