Bug Hints

Question 1

Asplenic patient (surgical splenectomy or autosplenectomy - chronic sickle cell anemia)

Answer 1

Encapsulated microbes = SHiN
S. pneumoniae&raquo_space; H. influenzae type B > N. meningitidis

Streptococcus pneumoniae
Haemophilus influenzae type B
Neisseria meningitidis
Escherichia coli
Salmonella spp.
Klebsiella pneumoniae
Group B Streptococci

Question 2

Branching rods in oral infection, sulfur granules

Answer 2

Actinomyces israeli

Question 3

Chronic granulomatous disease

Answer 3

Catalase + microbes, especially S. aureus

Question 4

“Currant jelly” sputum

Answer 4

Klebsiella

Question 5

“Rusty” sputum

Answer 5

S. pneumoniae

Question 6

Dog or cat bite

Answer 6

Pasteurella multocida

Question 7

Facial nerve palsy

Answer 7

Borrelia burgdorferi (Lyme disease)

Question 8

Fungal infection in diabetic or immunocompromised

Answer 8

Mucor or Rhizopus spp.

Question 9

Health care provider

Answer 9

HBV (from needle stick)

Question 10

Neutropenic patients

Answer 10

Candida albicans (systemic)
Aspergillus

Question 11

Organ transplant recipient

Answer 11

CMV

Question 12

PAS +

Answer 12

Tropheryma whipplei (Whipple disease)

Question 13

Pediatric infection

Answer 13

Haemophilus influenzae (including epiglottitis)

Question 14

Pneumonia in cystic fibrosis, burn infection

Answer 14

Pseudomonas aeruginosa

Question 15

Pus, empyema, abscess

Answer 15

S. aureus

Question 16

Rash on hands and feet

Answer 16

Coxsackie A virus = Hand, Foot, Mouth Disease
Treponema pallidum = 2 Syphilis
Rickettsia rickettsii = Rocky Mountain Spotted Fever

Question 17

Sepsis/meningitis in newborn

Answer 17

Group B Strep (S. agalactiae)

Question 18

Surgical wound

Answer 18

S. aureus

Question 19

Traumatic open wound

Answer 19

Clostridium perfringens