MCQ on Respiratory Syncytial virus (RSV) - Medical microbiology

                              MCQ on Respiratory Syncytial virus (RSV)

1. A 10-month-old male infant presented to the emergency department with symptoms of fever, cough, runny nose, and difficulty breathing. The parents reported that the symptoms had been present for 3 days and had progressively worsened. The infant was born healthy and full-term with no underlying disease.
Upon examination, the infant was breathing rapidly with increased respiratory effort. His temperature was 101.5°F (38.6°C), heart rate was 160 beats per minute. Lung examination revealed bilateral wheezing and crackles.
A nasal swab was collected and sent for the laboratory diagnosis. The test results were positive for Respiratory Syncytial Virus (RSV).
Which of the following is the typical mode of transmission for RSV to spread?
a) Respiratory secretions from infected person    
b) Sexual contact with infected person
c) Ingestion of raw pork
d) All of the above 

2. Who is most at risk for severe RSV infection?
a) Infants    
b) Teenagers
c) Older adults    
d) Young adults

3. Which of the following test is primarily used for the diagnosis of RSV infection?  
a) Blood test 
b) Respiratory viral panel test 
c) Urine test
d) Stool culture

4. Which of the following RNA virus causes respiratory infections in humans?
Select all the correct answers:
a) Hepatitis C virus
b) Ebola virus
c) Severe Acute Respiratory syndrome Coronavirus (SARS)    
d) RSV     

5. How many days it typically takes to improve from the symptoms of RSV infection?
a) 2-4 days
b) 4-7 days
c) 7-10 days     
d) 10-15 days

6. Which of the following drug approved by Food and Drug administration (FDA) is currently used for the treatment of RSV infection ?
a) Rifampin     
b) Ribavirin 
c) Cotrimoxazole
d) Amoxicillin

7. When was the first vaccine for RSV infection approved by Food and Drug administration (FDA)?
a) January 2021
b) March 2015
c) April 2022
d) May 2023     

8. Which of the following infection is the common cause of RSV infection in young children?
a) Urinary tract infection
b) Otitis media
c) Chickenpox
c) Meningitis

1. a) Respiratory secretions from infected person   
2. a) Infants and c) Older adults    
3. b) Respiratory viral panel test 
4. c) SARS and d) RSV   
5. c) 7-10 days
6. b) Ribavirin 
7. d) May 2023  
8. b) Otitis media