Cornea: 5a. Bacterial Infections

Question 0

C. diphtheriae

Answer 0

gram-positive rod that can produce acute membranous conjunctivitis

Question 1

N. meningitidis

Answer 1

this gram-negative coccus is sometimes a commensal

Question 2

P. acnes

Answer 2

this gram-positive rod is a common cause of chronic postoperative endophthalmitis and a rare cause of microbial keratitis

Question 3

P. aeruginosa

Answer 3

gram-negative rod that, when it causes keratitis, will almost always leave significant scarring

Question 4

E. coli, Salmonella, Shigella

Answer 4

which of these are NOT important causes of keratitis: E. coli, Klebsiella, Enterobacter, Citrobacter, Serratia, Salmonella, Shigella, Proteus

Question 5

fleas

Answer 5

vector for cat scratch disease in the absence of a scratch

Question 6

Warthin-Starry

Answer 6

stain for B. henselae on tissue biopsy

Question 7

M. fortuitum, M. chelonei

Answer 7

fast-growing mycobacteria that are important causes of keratitis following refractive surgery

Question 8

N. asteroides

Answer 8

bacterium that causes keratitis similar to M. fortuitum and M. chelonei

Question 9

S. aureus

Answer 9

bacterium that produces lantibiotics to overrun competitors