Question
 

Which of the following organisms is the most likely cause of the croup?

A: Epstein-Barr virus.
B: Haemophilus influenzae.
C: Corynebacterium diphtheriae.
D: Correct Answer : Parainfluenza virus.

Examination:

The croup, a laryngotracheobronchitis, is most often caused by parainfluenza virus.

Corynebacterium diphtheriae is the cause of diphtheria, which produces laryngitis with a characteristic dirty gray membrane that may slough and be aspirated.This infection is now rare because of routine childhood immunizations.

Epstein- Barr virus is associated with infectious mononucleosis (glandular fever) and produce pharyngitis. EBV is also associated with nasopharyngeal carcinoma.

Haemophilus influenzae may cause an acute bacterial epiglottitis with an abrupt onset of pain and possible airway obstruction particularly in immunocompromised individuals.

Innovative features you would expect.
Medexhub revision program is a powerful and affordable test preparation and simulation tool which include exam-based questions with comprehensive answers, peer-referenced performance analysis, user-defined exams selections, useful external links and much more...
Visually rich contents for better understanding.

Difficult concepts are explained with illustrations from Gray's Anatomy and Wikipedia to maximize your exam preparation. Question banks test varying levels of knowledge to mirror the ACEM exam blueprint. Our realistic practice exam simulation fully prepares you for what you can expect during real examination.

Innovative features you would expect.
Medexhub revision program is a powerful and affordable test preparation and simulation tool which include exam-based questions with comprehensive answers, peer-referenced performance analysis, user-defined exams selections, useful external links and much more...
Visually rich contents for better understanding.

Difficult concepts are explained with illustrations from Gray's Anatomy and Wikipedia to maximize your exam preparation. Question banks test varying levels of knowledge to mirror the ACEM exam blueprint. Our realistic practice exam simulation fully prepares you for what you can expect during real examination.