Multiple choice

Which is the causative agent of chancroids?

  1. Haemophilus pertussis

  2. Helicobacter pylori

  3. Haemophilus ducreyi

  4. Treponema pallidum

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Chancroid is a bacterial infection caused by the fastidious gram-negative streptobacillus Haemophilus ducreyi.