Sketchy Micro: Pasturella Multocida

Question 1

What is the most common way that humans contract Pasteurella multocida?

Answer 1

Bites from small mammals (often cats and dogs)

Think of the dog and cat in PASTeUR’s lab.

Question 2

What two infections are most common from Pasteurella?

Answer 2

Osteomyelitis and cellulitis (like the erythema on Pasteur’s arm and the fish bones he’s holding)

Question 3

What two lab tests can help identify Pasteurella?

Answer 3

• Catalse-positive (like the cat on the bookshelf)

* Oxidase-positive (he has a ring)

Question 4

Under microscopy, you might notice two things about Pasteurella: _______________.

Answer 4

• It is encapsulated (the case around the swan-neck flask)

* It has bipolar staining (like the safety pin on Pasteur’s lab coat)

Question 5

Pasteurella grows on _______________.

Answer 5

5% sheep’s blood agar (like all the bottles of sheep’s blood on the shelves)

Question 6

What is the treatment for Pasteurella?

Answer 6

Penicillin

Think of the purple pencil in Louis’s hand.