Most common causes (Micro)

Question 1

10 y/o w/ meningitis

Answer 1

S. pneumo, N. meningitidis

Question 1

Painless penile ulcer

Answer 1

Treponema pallidum (syphillis)

Question 2

Frothy, green malodorous vaginal discharge

Answer 2

Trichomonas vaginalis

Question 2

Watery diarrhea w/ travel to Asia or india

Answer 2

Vibrio cholerae

Question 3

Most common cause of UTI

Answer 3

E. coli

Question 4

Cat bite

Answer 4

Pasteurella multocida

Question 6

Pt with sickle cell disease and osteomyelitis

Answer 6

Salmonella

Question 7

Most common cause of UTI in a sexually active female

Answer 7

S. saprophyticus

Question 7

Top 3 most common cause of atypical pneumo

Answer 7

Mycoplasma pneumo, chlamydophila pneumo, viruses

Question 8

Fried rice

Answer 8

Bacillus cereus

Question 9

Pneumo in an AIDs pt

Answer 9

Pneumocystis jiroveci

Question 9

Dog bite

Answer 9

Capnocytophaga canimorsus

Question 10

Most common STD overall

Answer 10

HPV

Question 11

3 most common causes of community acquired pneumonia in a 67 y/o

Answer 11

S. pneumo, H. influenza, moraxella catarrhalis

Question 11

6 y/o has fever, abd pain, and blood diarrhea. Blood w/out pus

Answer 11

EHEC

Question 12

UTI in hospitalized pts

Answer 12

E. coli, gram negatives (K. pneumo, P. aeuriginosa)

Question 13

10 y/o kid w/ fever, pain, redness, swelling and reduced joint mobility in the knee

Answer 13

Septic arthritis, S. aureus

Question 14

6 y/o has fever, abd pain, and blood diarrhea. Blood and PUS is in the stool

Answer 14

Campylobacter jejuni

Question 15

58 y/o w/ fever, pain, redness, swelling and reduced joint mobility in the knee

Answer 15

Septic arthritis, S. aureus

Question 16

Cottage cheese like vaginal discharge

Answer 16

Candida

Question 18

3 most common causes of otitis media in a 2 y/o

Answer 18

S. pneumo, H influenza, moraxella catarrhalis

Question 19

Watery diarrhea

Answer 19

Staph intoxication, norovirus

Question 20

12 y/o kid with fever and bone pain

Answer 20

Osteomyelitis, S. aureus

Question 21

Name the picornaviruses

Answer 21

Polio, echo, rhino, coxsackie, HAV

Question 22

2 most common causes of aseptic viral meningitis

Answer 22

Enteroviruses (picornaviridae) and arboviruses

Question 22

Potato salad

Answer 22

S. aureus toxin

Question 23

PainFUL ulcerations on penis

Answer 23

HSV-2, Haemophilus ducreyi

Question 24

Human bite

Answer 24

Eikenella corrodens

Question 25

Watery diarrhea and travel to Mexico

Answer 25

ETEC (Montezuma's revenge!)

Question 26

Blurred speech and constipation 4 days after eating home-canned food

Answer 26

C. botulinum

Question 27

Raccoon bite

Answer 27

Rabies

Question 29

Painful urination and discharge, 2 most common causes

Answer 29

Chlamydia trachomatis (D-K), N. gonorrhea

Question 30

Beefy red ulcers on penis

Answer 30

Kleb granulomatis

Question 32

Neonatal meningitis

Answer 32

Strep agalactiae (most common), E. coli, listeria

Question 34

Most common causes of genital warts

Answer 34

HPV, molluscum contagiosum, 2ndary syphillis

Question 35

Watery, malodorous vaginal discharge

Answer 35

Bacterial vaginosis

Question 36

Pneumonia from an air conditioner or shower

Answer 36

Legionella

Question 37

Adult with fever and bone pain

Answer 37

Osteomyelitis, S. aureus

Question 39

Watery diarrhea in an infant

Answer 39

Rotavirus

Question 40

Other causes of bloody diarrhea besides EHEC and campylobacter

Answer 40

Salmonella, Shigella, EIEC, entamoeba

Question 41

Unvaccinated 10-year-old w/ meningitis

Answer 41

H. influenza type B

Question 42

15-40 with fever, pain, redness, swelling and reduced joint mobility in the knees

Answer 42

N. gonorrhea

Question 43

Pneumonia in an alcoholic

Answer 43

S. pneumo is still probably #1, but consider K. pneumo