MCQ on Mumps, Meseales and Rubella viruses (Medical Microbiology)

Multiple Choice Question on Mumps, Meseales, and Rubella

1) Paramyxoviruses have all of the following properties, EXCEPT?
a) Consists of a segmented genome
b) Envelope contains glycoprotein which has fusion activity
c) Has a negative RNA genome
d) Replicate in the cytoplasm

2)  Each of the following pathogens causes respiratory infections in humans, EXCEPT?
a) Respiratory syncytial virus
b) Parainfluenza virus
c) Measles virus
d) Rabies virus

3) Respiratory syncytial virus mainly infect the lower respiratory tract of the lungs causing bronchiolitis and pneumonia mainly in children and elderly people, which of the following virus is not commonly found in the lower respiratory tract infection?
a) Rhinovirus
b) Metapneumovirus
c) Influenza virus
d) Respiratory syncytial virus

4) Which of the following is an example of the natural hosts of the Mumps virus?
a) Pigs
b) Bats
c) Horses
d) Humans

5) Measles virus is transmitted through airborne droplets and is one of the leading causes of respiratory infections mostly seen in children of developing countries. Which of the following statements is Not correct about the epidemiologic features of measles?
a) More than one serotypes of the virus has been identified
b) Humans are the only reservoir
c) Infection confers lifelong immunity
d) Infection can be transmitted from mother to the fetus

6) Mumps is a highly contagious viral infection transmitted from person to person, which of the following are not the symptoms of the mumps virus?
a) Fever
b) Muscle aches
c) Swollen salivary glands
d) Skin rashes

7) All of the following statements about measles (Rubeola) and rubella (German measles) are true, EXCEPT?
a) Humans are the only host for the rubella virus
b) Rubella virus specifically invades the respiratory system
c) Rubeola virus infection is characterized by maculopapular rashes
d) Rubella can cause serious birth defects

8) Which of the following age group is most affected by the parainfluenza virus?
a) Teenagers
b) Babies 
c) Elder people
d) School-age children

9) Which of the following statements is correct about congenital rubella syndrome?
a) Child born to an unvaccinated mother are at higher risks
b) If infected the newborn are present have usually mild infections
c) Ribavirin is a very effective drug for the treatment of the infection
d) All of the above

10) The symptoms of the measles virus infection develop within 2 to 5 days, the most common is skin rashes. Which of the following are Not the other symptoms related to measles?
a) Red and watery eyes
b) Runny nose
c) High-grade fever
d) Enlarged salivary glands

11) Each of the following statements about the measles vaccine is correct, EXCEPT?
a) The vaccine was first introduced in 1963
b) It is available only in a monovalent form
c) The vaccine can be introduced to the child as early as  15 months
d) The vaccine contains live, attenuated virus

12) Mumps virus can primarily infect which of the following organs? Select the correct options
a) Salivary glands
b) Ovaries
c) Pancreas
d) Testes

13) The rubella vaccine consists of an inactivated rubella virus:
a) True
b) False

14) Which of the following statements is true about Reverse transcriptase-polymerase chain reaction (RT-PCR)?
a) Very useful for mRNA quantitation
b) Highly specific assay than serology for certain virus detection
c) Low cost and easily available
d) Helps in the identification of virus strains

15) The vaccine is available for all of the following, EXCEPT?
a) Measles virus
b) Mumps virus
c) Human parainfluenza virus
d) Varicella-zoster virus



Answers
1-a) Consists of a segmented genome
2-d) Rabies virus 
3-a) Rhinovirus 
4-d) Humans
5-a) More than one serotypes of the virus has been identified 
6-d) Skin rashes 
7-b) Rubella virus specifically invades the respiratory system 
8-b) Babies
9-a)  Child born to an unvaccinated mother are at higher risks
10-d) Enlarged salivary glands 
11-b) It is available only in a monovalent form 
12- Option a), b), c), d
13-b) False
14-c) Low cost and easily available
15-c) Human parainfluenza virus


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