00:01
This question asks us, which of the following diseases is caused by a spirochet? and remember that spirochetes are flexible, spirally twisted bacteria.
00:12
And it's just a description of this shape.
00:17
So we'll put spiral to help us remember.
00:21
The most common one that people think of is probably syphilis, but there are actually a lot of different species that have this shape.
00:32
So let's go through the answer choices and see what we can pick.
00:37
Just quickly one more thing.
00:40
Another important vocabulary term to know here would be cacoacobacillus, and this is just a way to say oval shaped.
01:00
Okay, so let's work through these answer choices and see which is the best fit.
01:07
So tularemia is caused by a pathogenic species of gram -negative cacobacillus or oval -shaped bacteria.
01:18
So this is not going to be the spiral shape that we're looking for.
01:24
Okay.
01:25
Option b, relapsing fever...