1.
Bacillus anthracis
Explanation
Gram (+) aerobic spore-forming rod
2.
Clostridium botunlinum
Explanation
Gram (+) anaerobic spore-forming rod (soil)
3.
Clostridium difficile
Explanation
Gram (+) anaerobic spore-forming rod (colon)
4.
Clostridium perfringens
Explanation
Gram (+) anaerobic spore-forming rod (colon)
5.
Clostridium tetani
Explanation
Lockjaw; Gram (+) anaerobic spore-forming rod (soil)
6.
Corynebacterium diphtheriae
Explanation
Gram (+) aerobic rod (conjunctiva, mouth and nose, urogenital tract)
7.
Staphylococcus aureus
Explanation
Gram (+) facultative anaerobic spherical clusters (skin/nail, conjunctiva, mouth and nose, urogenital, GI = everywhere)
8.
Staphylococcus epidermidis
Explanation
Gram (+) facultative anaerobic (primarily aerobic) spherical clusters (skin/nails, conjunctiva, mouth and nose, everywhere else)
9.
Streptococcus pneumoniae
Explanation
Gram (+) facultative anaerobic spherical pairs and chains (pretty much everywhere, except maybe GI)
Otitis Media = earaches
10.
Streptococcus pyogenes
Explanation
Gram (+) facultative anaerobic spherical pairs and chains (skin/nails, conjunctiva, urogenital); Group A
11.
Streptococcus viridans
Explanation
Gram (+) facultative anaerobic spherical pairs or clusters (mouth and nose, GI tract), not very pathogenic but can cause subacute endocarditis in people with damaged heart valves, necrotizing fascitis
12.
Streptococcus mutans
Explanation
Gram (+) facultative anaerobic spherical pairs or clusters (mouth)
13.
Skin/Nails
Explanation
Few Gram negative bacteria
14.
Conjunctiva
15.
Bordetella pertussis
Explanation
Gram (-) aerobic coccobaccillus; aka Whopping cough
16.
Escherichia coli
Explanation
Gram (-) facultative anaerobic enteric rod (enterobacteriacae)
17.
Haemohillus influenzae
Explanation
Gram (-) facultative anaerobic coccobacilli; epiglottitis, sinusitis, otitis media), found naturally in upper respiratory tract
18.
Helibacter pylori
Explanation
Gram (-) microaerophilic helical rod (curved) found in stomach
19.
Klebsiella oxytoca
Explanation
Gram (-) facultative anaerobic rod; enterobacteriaceae, so throughout gut
20.
Klebsiella pneumoniae
Explanation
Gram (-) facultative anaerobic rod; enterobacteriaceae, so throughout gut
21.
Legionella pneumonophilia
Explanation
Gram (-) aerobic coccobacillus
22.
Neisseria gonorrhaeae
Explanation
Gram (-) aerobic spheres; septic arthritis also called septic joint (mouth and nose)
23.
Neisseria meningitidis
Explanation
Gram (-) aerobic spheres (mouth and nose)
24.
Pseudomonas aeruginosa
Explanation
Gram (-) aerobic rod, very persistent
25.
Salmonella typhi
Explanation
Gram (-) enteric rod (facultative anaerobe) (enterobacteriaceae)
26.
Shigella sonnei
Explanation
Gram (-) enteric rod (facultative anaerobe) (enterobacteriaceae), aka Shigellosis
27.
Shigella dysentariae
Explanation
Gram (-) enteric rod (facultative anaerobe) (enterobacteriaceae), aka Shigellosis
28.
Enterobacteriaceae
Explanation
Gram (-) enteric rods; facultative anaerobes (primarily aerobes), reduce nitrate to nitrite or nitrogen; ferment D-glucose with gas and (often) produce gas
29.
Mouth and nose (upper respiratory)
30.
Urogenital tract
Explanation
Bacteroides (e.g. fragilis) are gram (-) anaerobic non-enteric rods
31.
Chlamydophila pneumoniae
Explanation
Obligate intracellular
32.
Chlamydia trachomatis
Explanation
Obligate intracellular
33.
Mycoplasma pneumoniae
Explanation
No cell wall
34.
Borrelia burgdorferi
Explanation
Spirochete; anaerobic
35.
Mycobacterium avian complex (MAC)
Explanation
AFB, lungs, resident
36.
Mycobacterium leprae
Explanation
AFB
37.
Mycobacterium tuberculosis
Explanation
AFB
38.
Candida albicans, other spp.
Explanation
Fungi, pretty much everywhere; yeast, candida albicans, candida glabrata, candida krusei
39.
Cryptococcus neoformans
Explanation
Fungus; immunocompromised hosts, yeast
40.
Blastomyces spp.
Explanation
Fungus; geographic variation, dimorphic
41.
Histoplasma spp.
Explanation
fungus; geographical variation, dimorphic
42.
Coccidioides immitis
Explanation
fungus; geographical variation, dimorphic
43.
Aspergillus spp.
Explanation
Fungi; immunocompromised hosts, found normally in mouth and nose, A. terreus, mold (only mold)
44.
Epidermophyton spp.
Explanation
Fungi; similar infections of the nail, beard, skin, and scalp, dermatophyte
45.
Microsprorum spp.
Explanation
Fungi; similar infections of the nail, beard, skin, and scalp, dermatophyte
46.
Trichophyton spp.
Explanation
Fungi; similar infections of the nail, beard, skin, and scalp, dermatophyte
47.
Malassezia spp.
Explanation
Fungi, dermatophyte?
48.
Entamoeba histolytica
Explanation
Protozoan, ameba
49.
Giardia lamblia
Explanation
Protozoan, flagellate
50.
Trichomonas vaginalis
Explanation
Protozoan; aka vulvovaginitis, flagellate