Miscellaneous Must-Knows

Question 1

Encapsulated bacteria (7)

Answer 1

1. Strep pneumoniae, 2. Klebsiella pneumoniae, 3. Hemophilus influenzae, 4. Pseudomonas aeruginosa, 5. Neisseria meningitidis, 6. Salmonella typhi, 7. GBS

Question 2

Bacteria that do not show up on gram stain (6)

Answer 2

1. Treponema pallidum, 2. Rickettsia, 3. Mycobacteria, 4. Mycoplasma, 5. Legionella, 6. Chlamydia

Question 3

Anaerobes (3)

Answer 3

1. Actinomyces, 2. Bacteroides, 3. Clostridium

Question 4

Obligate aerobes (8)

Answer 4

1. Nocardia, 2. Neisseria, 3. Pseudomonas, 4. Mycobacteria, 5. Bordetella, 6. Brucella, 7. B. cereus, 8. Legionella

Question 5

Bacterial meningitis in neonates (3)

Answer 5

1. GBS, 2. E. coli, 3. Listeria

Question 6

Bacterial meningitis in children (2)

Answer 6

1. N. meningitidis (vaccinated), 2. H. influenzae (unvaccinated)

Question 7

Bacterial meningitis in adults/elderly

Answer 7

Strep pneumoniae

Question 8

Tumbling motility

Answer 8

Listeria monocytogenes

Question 9

Falling leaf motility

Answer 9

Giardia Lamblia

Question 10

Shooting star motility

Answer 10

Vibrio cholerae

Question 11

Swarming motility

Answer 11

Proteus mirabilis

Question 12

Pulmonary hemorrhage is the most common cause of death in (3):

Answer 12

1. Bacillus anthracis (mediastinal/inhalational anthrax); 2. Weil syndrome; 3. Congenital syphilis

Question 13

Pseudomembranous colitis

Answer 13

Clostridium dificile

Question 14

Pseudomembranous pharyngitis

Answer 14

Corynebacterium diphtheriae

Question 15

Pseudomembranous esophagitis

Answer 15

Candida albicans

Question 16

Beta-prophage encoded toxins (via transduction) (5)

Answer 16

1. Shiga-like toxin (EHEC) 2. Botulinum toxin 3. Cholera toxin 4. Diphtheria toxin 5. Erythrogenic toxin (Strep pyogenes)

Question 17

Minor causes of endocarditis (5)

Answer 17

1. H. aphrophilus, 2. Actinobacillus actinomycetemcomitans, 3. Cardiobacterium hominis, 4. Eikenella corrodens, 5. Kingella kingae

Question 18

Facultative intracellular bacteria (7)

Answer 18

1. Salmonella 2. Brucella 3. Mycobacterium 4. Listeria 5. Francisella 6. Legionella 7. Yersinia

Question 19

Causes of atypical pneumonia (3)

Answer 19

1. Mycoplasma pneumoniae
2. Legionella pneumophila
3. Chlamydia pneumoniae

Question 20

“Friends” of pseudomonas; cause similar disease

Answer 20

Acinetobacter bowmanii

Elizabethkingsia meningosepticum