MD CPR Mico Quiz

Which option is the odd one out?

• Pertussis Toxin

• Diphtheria Toxin

• Shiga Toxin

• Cholera Toxin

Which of the following is Not a suitable diagnostic option for Pertussis?

• PCR at the 1st week

• ELISA (detect IgG) at the 1st week

• Culturing on Regan-Lowe Agar at 1st week

• Clinical Symptoms of Whooping Sound

Considered to be one of the major nosocomial hazards in pediatric wards.

• Rhinovirus

• Respiratory Syncytial Virus

• Hantavirus

• All of the options are correct

Match the following:

• Part of normal flora of skin and nasopharynx

• Respiratory Syncytial Virus

• The primary reservoir is Deer mouse in US

• Hantaviruses

• Picornaviridae family of viruses

• Rhinovirus

• Bronchiolitis especially in newborns

• Corynebacterium diphtheriae

• Destroys ciliated cells

• Tracheal Cytotoxin

Which of the following statements is true?

• Wheezing and fever are early symptoms of an RSV infection

• Transmission of Hantavirus can happen via direct contact (person to person)

• Rhinoviral replication is initiated by binding of its receptor at approximately 33°C

• Bordetella pertussis has tropism for squamous epithelial cells

A 4-year-old boy is brought to a rural clinic. He has a two-day history of intense coughing spells that last 1-2 minutes and end with a loud gasp when he inhales. The patient’s mother mentions that he has had episodes of vomiting after the coughing spells. She also notes that he had a cold about two weeks earlier and that he has not received any immunizations. Laboratory tests show a WBC count of 22,000/mm3 with 60% lymphocytes. The rest of the work-up (including x-ray of the chest) is unremarkable. Which organism is the most likely culprit?

• Bordetella pertussis

• Corynebacterium diphtheriae

• Respiratory Syncytial Virus

• Rhinovirus

What is NOT a difference between DTaP and Tdap vaccine?

• DTap is for children below 7 years of age, while Tdap is for older children and adults

• DTaP has full strength doses for all 3 antigens, while Tdap only has full strength for one of the antigens

• DTaP has acellular component for Pertussis, while Tdap does not

• DTap provides full immunity against all three infections, while Tdap is a booster for Tetnus