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51 Cards in this Set
- Front
- Back
produces niacin, heat sensative catalase, non-white person
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mycobacterium tuberculosis
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Tb test came back positive about 11 mm, who is population probably made of?
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IV drug abusers, people living in poverty or immigrants from high TB area
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Tb test came back positive: 5 mm in size, who is the population made of?
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HIV+ or anyone with recent TB exposure
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Granuloma with central caseous necrosis
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Tuberculosis Granuloma: primary tuberculosis
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Granuloma without central caseous necrosis
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Sarcodosis
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Side effects:
Isoniazid |
peripheral neuropathy
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Side effects:
Ethambutol |
eye complications
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Side Effects:
pyrazinamide |
Orange Urine
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Side Effects:
Rifampin |
Orange Urine, Hepatitis
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Side Effects:
Streptomycin |
autotoxicity
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photochromogenic; forms yellow pigmented colonies in the presence of light. Along with cough, fever, etc
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Mycobacterium Kansasii
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sx: progressive weight loss, night sweats, diarrhea
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Mycobacterium Avium
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Tx: MAC + ethambutol for AIDs patients with a CD of at least 50.
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Mycobacterium Avium
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produces yellow colonies in light or dark within 2 weeks. Common cause of granulomatous cervical lymphadenitis in kids.
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Mycobacterium Scrofulaceum
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chinese letter patterns, tinsdale agar and Loeffler’s serum.
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corynebacterium diphtheriae
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pseudomembrane- grayish white membrane
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corynebacterium diphtheriae
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Exotoxins inhibit the protein synthesis of the host cell and thereby causing death of the cells
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corynebacterium diphtheriae
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grows best on chocolate agar medium and satellite colony
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Hemophilus influenza pneumonia
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requires hematin (X factor) and NAD (nicotine adenamide diphosphate, V factor) for growth in culture
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hemophilus influenza pneumonia
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requires hematin (X factor) and NAD (nicotine adenamide diphosphate, V factor) for growth in culture
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epiglottitis and pneumonia
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tx: start with third generation cephalosporin, but usually already vaccinated against.
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H. influenza
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prevented by giving DTaP
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whooping cough
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Special charcoal medium, Regan-low
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bordetella pertussis
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what is this stage of whooping caugh called:
profuse and mucoid rhinorrhea for 1 to 2 weeks; most communicable at this stage. |
catarrhal- stage 1
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what is this stage of whooping caugh called:
lots of coughing for 2-4 weeks, marked lymphocytosis |
Paroxysmal- stage 2
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what is this stage of whooping caugh called:
coughing subsides |
convalescent- stage 3
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Name the toxin and associated bacteria:
A-B toxin and has a binding component (B) and an active component (A)—increasing cAMP levels |
Pertussis toxin
B. Pertussis |
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Name the toxin and its associated bacteria:
catalyzes the conversion of host cell ATP to cAMP increased cAMP levels (increased mucus production), |
Adenylate toxin
B. Pertussis |
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Name the toxin and its associated bacteria:
fragment of cell wall peptidoglycan. Produces NO which causes death of ciliated cell. |
Tracheal cytotoxin
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which toxin produces a cytokine that may cause fever? what cytokine is that?
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Tracheal Cytotoxin; IL-1
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during catarrhal phase, what medium is best to test for B. pertussis?
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blood chocolate agar with cephalosporin (to inhibit growth of normal flora)
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During paroxysmal phase, what is the best diagnostic test?
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Direct flourescent antibody technique
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what is the best treatment during catarrhal phase?
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erythromycin or clarithromycin
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What kind of stain is this? what is it for?
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AFB- for nocardia
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what kind of stain is this and what is it identifying?
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AFB and M. tuberculosis
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what is identified here?
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bascillis anthracis
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what kind of stain is this and what is it identifying?
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Auramine Rhodamine staining; mycobacterium
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what kind of medium is this and what is it identifying?
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chocolate agar; B. pertussis
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what kind of stain is this and what is it identifying?
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Gram staining; B. pertussis
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what kind of agar is this and what is it identifying?
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Cysteine- Tellurite blood agar; Corynebacterium Diphtheriae
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What is this?
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Corynebacterium Diphtheria
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what is the diagnosis?
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hilar lymphadenopathy
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what kind of medium is this and what is it identifying?
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Lowenstein- jensen; Mycobacterium tuberculosis
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what is the diagnosis?
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millary TB
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what kind of medium is this and what is it identifying?
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Chocolate agar, norcadia asteroides
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what kind of stain is this and what is it identifying?
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Gram staining; nocardia
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diagnosis
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primary tuberculosis granuloma formation
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diagnosis?
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Pulmonary TB with cavity formation
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diagnosis?
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pulmonary TB
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diagnosis
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TB pericarditis
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diagnosis?
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Tuberculous plueral effusion
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