MICROBIOLOGY & IMMUNOLOGY
MICRO: Systems
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Match - normal flora, dominant:
| Skin |
-?-(d) Staphylococcus epideridis |
| Vagina |
-?-(c) Lacobacillus |
| Colon |
-?-(a) Bacteroides fragilis>E.coli |
| Nose |
-?-(b) S. aureus |
| Dental Plaque |
-?-(e) Streptococcus mutans |
| Oropharynx |
-?-(f) viridans streptococci |
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(a) Bacteroides fragilis>E.coli
(b) S. aureus
(c) Lacobacillus
(d) Staphylococcus epideridis
(e) Streptococcus mutans
(f) viridans streptococci
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Match:
| -?-(c) adults (40-65 yrs) |
S. pneumoniae, H. influenzae, anaerobes, viruses, Mycoplasma |
| -?-(a) children (6 wks-18yrs) |
RSV, Mycoplasma, Chlamydia pneumoniae, Streptococcus pneumoniae |
| -?-(b) adults (18-40 yrs) |
Mycoplasma, C. pneumniae, S. pneumoniae |
| -?-(d) elderly |
S. pneumoniae, viruses, anaerobes, H. influenzae, Gram-negative rods |
|
(a) children (6 wks-18yrs)
(b) adults (18-40 yrs)
(c) adults (40-65 yrs)
(d) elderly
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Matching - UTI bugs:
| -?-(g) enterobacter cloecae |
Often nosocomial & drug resistant |
| -?-(b) Stafphylococcus saprophyticus |
2nd leading cause of community-acquired UTI in sexually active women |
| -?-(f) Pseudomonas aeruginosa |
Blue-green pigment & fruity odor; usually nosocomial & drug resistant |
| -?-(a) Seratia marcescens |
Some strains produce a red pigment; often nosocomial & drug resistant |
| -?-(e) Proteus mirabilis |
Motility causes "swarming" on agar; produces urease; assoc. w/ struvite stones |
| -?-(c) Eschirichia coli |
Leading cause of UTI; colonies show metallic sheen on EMB agar |
| -?-(d) Klebsiella pneumoniae |
Large mucoid capsule & viscous colonies |
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(a) Seratia marcescens
(b) Stafphylococcus saprophyticus
(c) Eschirichia coli
(d) Klebsiella pneumoniae
(e) Proteus mirabilis
(f) Pseudomonas aeruginosa
(g) enterobacter cloecae
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Sexually Transmitted Diseases
| Disease |
Clinical Features |
Organism |
| Gonorrhea |
Urethritis, cervicitis, PID, prostatitis, epididymitis, arthritis |
-?-Neisseria gonorrhoeae |
| 1° syphilis |
-?-Painless chancre |
Treponema pallidum |
| 2° syphilis |
-?-Fever, lymphadenopathy, skin rashes, condylomata lata |
--- |
| -?-3° syphilis |
Gummas, tabes dorsalis, general paresis, aortitis, Argyll Roberston pupil |
--- |
| Genital herpes |
-?-Painful penile, vulvar, or cervical ulcers |
HSV-2 |
| Chlamydia |
Urethritis, cervictis, conjunctivitis, Reiter's syndrome, PID |
-?-Chlamydia trachomatis (D-K) |
| -?-Lymphogranuloma venereum |
Ulcers, lymphadenopathy, rectal strictures |
C. trachomatis (L1-L3) |
| Trichomoniasis |
-?-Vaginitis |
Trichomonas vaginalis |
| AIDS |
Opportunistic infections, Kaposi's sarcoma, lymphoma |
-?-HIV |
| Condylomata acuminate |
-?-Genital warts, koilocytes |
HPV 6 & 11 |
| -?-Hepatitis B |
Jaundice |
HBV |
| Chancroid |
-?-Painful genital ulcer |
Haemophilus ducreyi |
Match:
| Pediatric infection |
-?-(b) Haemophilus influenzae (including epiglottittis) |
| Dog or cat bite |
-?-(f) Pasteurella multocida |
| Traumatic open wound |
-?-(e) Clostridium perfringens |
| Pus, empyema, abscess |
-?-(a) S. aureus |
| Sepsis/meningitis in new born |
-?-(h) group B strep |
| Pneumonia in cystic fibrosis, burn infection |
-?-(c) Pseudomonas aeruginosa |
| Branching rods in oral infection |
-?-(d) Actinomyces israelii |
| Currant jelly sputum |
-?-(g) Klebsiella |
| Surgical wound |
-?-(a) S. aureus |
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(a) S. aureus
(b) Haemophilus influenzae (including epiglottittis)
(c) Pseudomonas aeruginosa
(d) Actinomyces israelii
(e) Clostridium perfringens
(f) Pasteurella multocida
(g) Klebsiella
(h) group B strep
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