MICRO SYSTEM Flashcards Preview

Small But Terrible > MICRO SYSTEM > Flashcards

Flashcards in MICRO SYSTEM Deck (24)
Loading flashcards...
1

How is the reservoir for Shigella different from that of EHEC?

EHEC = animal i.e. undercooked meat (hamburger); Shigella = resevoir is humans

2

What is the most common cause of pneumonia in a neonate (i.e. 0-4 weeks), what about after 4 weeks?

Group B strep (moms vagina), RSV

3

Baby born with vesicular lesions and encephalitis

congenital HSV (from vagina, not transplacental)

4

3 bugs that can mimic appendictis

Yersenia enterocolitica, nontyphoidal salmonella, and campylobacter

5

Bulging can

C. botulinum

6

Which congenital infection is most likely to be received during delivery rather than transplacentally?

HSV-2

7

Poisoning from reheated meat dishes

C. perfringens

8

What does a positive leukocyte esterase test tell you? Positive nitrite test?

bacterial UTI; gram negative bacterial UTI

9

What do you give bacterial meningitis empirically? What if you suspect listeria?

Ceftriaxone and vancomycin, add ampicillin

10

Hearing loss, seizures, and petechial rash in infant

Most likely congenital CMV

11

Chorioretinitis, hydrocephalus, and intracranial calcifications in a neonate

Congenital toxoplasmosis

12

Which watery diarrhea causing bug has ST and LT toxins?

ETEC (can Tx with bismuth and sucralfate)

13

Bacteria isolated from UTI that produces a red pigment

Serattia marscescans

14

Which childhood exanthem involves post auricular lymphadenopathy?

Rubella

15

What is the most common demographic for osteomyelitis

children

16

Ceftriaxone and vancomycin are given empirically for this condition _____________. And ampicillin is added if _______________ is suspected.

Bacterial meningitis, Listeria monocytogenes

17

How is deafness from congenital syphilis different from deafness in other torch infections?

It specifically causes CN VIII deafness, not ossicle malformation

18

Normal flora of vagina

Lactobacillus (also colonized by E. coli and group B strep)

19

Osteomyelitis in cat scratch pt

Pasteurella multocida

20

2 infections that can cause stillbirth due to hydrops fetalis

ParvoB19, Syphilis

21

PDA, cataracts, and deafness with a rash in a neonate

Congenital rubella (mom had arthritis with lymphadenopathy)

22

Which protozoa (2) cause bloody diarrhea? Watery (3)?

Bloody = Entamoeba histolytica, Balantidium coli (ciliated, pigs); Watery = Giardia (esp. IgA def) and if IC = Cryptosporidium and Cystiosopora

23

Which comma shaped organisms cause watery diarrhea? Bloody diarrhea?

Watery = V. cholerae; Bloody = C. jejuni

24

What 2 orthopedic conditions can N. gonorrhea cause?

Septic arthritis most likely, can be osteomyelitis