sterile locations of the body correct answers Blood, deep tissues, lungs, synovial fluid, and cytoskeletal fluid
staphylococci characteristics (>6) correct answers Gram+; hardy facultative anaerobes; mesophilic (temp/pH); resistant to drying, salt (10%), heat; membrane: peptidoglycan is lysoz...
MBI 405 bug parade || with Error-free Solutions.
sterile locations of the body correct answers Blood, deep tissues, lungs, synovial fluid, and
cytoskeletal fluid
staphylococci characteristics (>6) correct answers Gram+; hardy facultative anaerobes;
mesophilic (temp/pH); resistant to drying, salt (10%), heat; membrane: peptidoglycan is
lysozyme-resistant but lysostaphin-sensitive, techoic acids trigger inflammation; MRSA and
VRSA
diseases caused by staphylococci (6) correct answers skin abscesses (on the surface); cellulitis
(in the tissues); hematogenous spread (bloodstream -> other tissues/BONE); toxin-mediated
diseases (TSS, food poisoning, bulbous impetigo); thrombophlebitis; UTIs
streptococci characteristics (7) correct answers Gram+; facultative anaerobe; ferments acids
(lactic, acetic, formic); fastidious for AAs, purines/pyrimidines, and vitamins; mesophilic
(temp/pH); oxygen-tolerant; peptidoglycan is lysozyme-resistant (sim to staph)
2 ways to classify streptococci correct answers hemolytic activity and lancefield groups
GAS diseases (normal AND severe) correct answers normal: pharyngitis (strep throat, scarlet
fever) and skin infections (impetigo, erysipelas, cellulitis)
GBS diseases (5) correct answers neonatal bacteremia, meningitis, pneumonia AND adult
pneumonia or bacteremia
pneumococci characteristics (8) correct answers gram+; capsule w/MANY serotypes; alpha-
hemolytic; facultative anaerobe; ferment many acids; mesophilic (temp/pH); peptidoglycan is
lysozyme-resistant; have C-polysaccharide and M-like proteins
Diseases caused by pneumococci (3) correct answers otitis media (inflammation of the inner
ear); pneumonia w/bloody sputum and pulmonary pain; meningitis (most common cause)
bordetella characteristics (4) correct answers very small G-; have metachromatic granules; strict
aerobes; non-motile; non-invasive
bordetella diseases (3) correct answers pertussis (whooping cough, highly contagious, divided
into two stages); parapertussis; kennel cough in dogs
2 stages of bordetella pertussis correct answers prodromal: mild symptoms but most infectious
paroxysmal: uncontrollable coughing fits where you can't catch your breath
legionella characteristics (5) correct answers faintly gram- but prefer silver stain; motile
(multiple polar flagella); obligate AEROBES; fastidious but slow lab growers; adapted to live
INSIDE cells
legionella diseases correct answers Legionnaires' disease (type of walking/multilobar
pneumonia) and Pontiac fever (resembles acute influenza w/severe muscle aches)
Mycoplasma characteristics correct answers lack cell wall but technically G+; 'fried egg' colony
formation; smallest genomes; fastidious: require purines/pyrimidines, AAs, and lipids; require
HOSTS to survive; intrinsically resistant to Abi's (bc of no cell wall); require motility to be
virulent (gliding machinery or attachment organelle)
M. hominus and U. urealytica diseases (3) correct answers vaginal bacteriosis/pelvic
inflammatory disease; non-gonococcal urethritis; post-partum fever in women
Mycobacteria characteristics (7) correct answers acid-fast; G+ but hard to gram stain; strict
aerobes; complex cell walls w/mycolic acids (super long side chains, thick cell wall); slow
growers; no known plasmids but have mycobacteriophages; can be non-resistant, MDR, or XDR
mycobacteria tuberculosis diseases correct answers pulmonary tuberculosis (#1 deadly infectious
disease globally) and chronic pulmonary disease (opportunistic, esp. in AIDS patients)
M. leprae/lepromatosis disease correct answers Hansen's disease (leprosy)
M. ulcerans disease correct answers ulcerative skin lesions
Listeria characteristics (7) correct answers Gram+; motility depends on external temp; grows
well from 1-42ºC; salt tolerant (bad for food preserving); non fastidious; beta-hemolytic;
microaerophilic facultative anaerobe (prefers a little O2)
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