In any case, a clue indicating that the causative organism is an obligate intracellular pathogen transmitted by an arthropod bite should lead you to which of the following groups of organisms?

Question

Quizplus · Accepted Answer

Of the choices, only the chlamydiae and the rickettsia are obligate intracellular organisms. Chlamydiae are spread by direct contact or respiratory droplets, while the rickettsia (the correct answer) are spread commonly by arthropod vectors. Spirochetes like B. burgdorferi are not obligate intracellular pathogens and most are also not transmitted by arthropod vectors.

In Any Case, a Clue Indicating That the Causative Organism