2.9.4.3 Yersinia enterocolitica

Question 1

Zoonotic

Answer 1

Unpasteurized milk

Question 2

Yersinia enterocolitica is causative agent for?

Answer 2

mesenteric lymphadenitis

Question 3

Syndrome of Y. enterocolitica that has pain in the upper right quadrant when pressed then released

Answer 3

Appendicitis like syndrome

Question 4

Similar to listeria that can cause?

Answer 4

Blood bag contamination

Question 5

Y. enterocolitica clinical infection?

Answer 5

Acute enteritis
Arthritis
Erythema nodosum

Question 6

Characterized by tender, red nodules accompanied with itching burning (Mostly seen in lower extremities of the body)

Answer 6

Erythema nodosum

Question 7

What is the media of choice for Y. enterocolitica?

Answer 7

Cefsulodin-Igrasan Novobiosin

Question 8

What is the appearance of Y. enterocolitica in Cefsulodin-Igrasan

Answer 8

Bull’s eye colonies 48hrs

Question 9

Cold enrichment at 4 C

Answer 9

YES

Question 10

Yersinia pseudotuberculosis is also the causative agent of ?

Answer 10

Mesenteric lymphadenitis

Question 11

Disease chaacterized by caseuous swelling

Answer 11

Pseudotubercles

Question 12

All of the yersinia has safety pin appearance in Wayson stain?

Answer 12

TRUE

Question 13

Yersinia Pestis is biochemically inert?

Answer 13

TRUE