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
(a) Bacteroides fragilis>E.coli (b) S. aureus (c) Lacobacillus (d) Staphylococcus epideridis (e) Streptococcus mutans (f) viridans streptococci
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
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
(a) Seratia marcescens (b) Stafphylococcus saprophyticus (c) Eschirichia coli (d) Klebsiella pneumoniae (e) Proteus mirabilis (f) Pseudomonas aeruginosa (g) enterobacter cloecae
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
(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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