MOD 11 medically important pathogens Flashcards
1
Q
spore forming gram positive bacilli example
A
bacillus & clostridium
2
Q
spore forming have a
A
endospore
3
Q
anaerobic non-spore forming gram positive bacilli example
A
corneabacterium, listeria eeydipelothrix nocardia
4
Q
gram positive cocci example
A
staphylococci streptococci enterococci
5
Q
gram negative cocci example
A
neisseria, enterobaceriaceae
6
Q
nonfermantative gram negative bacilli
A
pseudomonas acinetobacter stenotrophomonas burkholderia
7
Q
gram negative bacilli example
A
vibrio helicobacter haemophilus pastuerella streptobacillus aeromonas
8
Q
gram positive bacilli example
A
anthrax diphtheroid listeriosis
9
Q
spherical shape of their cells slightly oval
gram positive staining (violet)
do not form endospore
A
gram positive cocci
10
Q
enzyme that separates streptococci and staphylococci
A
catalase
11
Q
break down of oxygen radical that can destroy microorganism also breakdown in non toxic form
A
catalase
12
Q
present environment is clothing bed linens and other fomites
A
staphylococci and streptococci
13
Q
also it spreads through contaminated objects and infected humans
A
staphylococci streptococci
14
Q
accumulation of neutrophils and bacterial cells and fluid at the infection site
A
pyogenic infection
15
Q
arranged in grabe like clusters
A
staphylococcus
16
Q
genus that resistant to drying heat (withstand 50 C for 30 minutes) and 10% sodium choloride
A
staphylococci
17
Q
able to tolerate 10% sodium chloride
A
osmotic pressure
18
Q
causes pyogenic infection and septicemia
A
micriobiota
19
Q
has 45 species
A
staphylococcus
20
Q
most important staphylococcus
A
s. aureus s. epidermidis s. lugdunesis s. saprohyticus
21
Q
has 45 species
A
staphylococcus
22
Q
what staphylococcus is coagulase positive
A
s.aureus - major in human pathogen
23
Q
normal human micriobiota and sometimes cause infection
A
(CoNS) coagulase-negative staphylococci
24
Q
infection cause by epidermidis
A
75 % infection cause by (CoNS) coagulase-negative staphylococci
25
staphylococcus that cause urinary tract infection
S.saprophyticus
26
pathogen of UTI
E COLI IF ITS NOT SAPROPHYTICUS
27
dissolves fibrin clots
hyaluronidase
28
staphylococcal-related food poisoning g.i tract
enterotoxin
29
colonies are circular, smooth, shiny surface, color opaque (golden yellow)
easily isolated in blood agar because they lysins and they able to ferment mannitol salt agar
staphylococcus
30
a gram positive spherical bacteria that form pairs chains during growth
streptococci
31
all streptococci is a
gram positive except S. pneumoniae
32
its is a catalase negative
streptococci
33
catalase positive
staphylococci
34
hemolysins that antigenic, oxygen labile,
(destroy by oxygen) mainly produced by gas
streptolysin O
35
Hemolysins that nonantigenic and oxygen stable
streptolysin S
36
Who identified several distinct-hemolytic streptococcal groups
based on specific carbohydrate group antigens.
In 1933, Rebecca Lancefield
37
anti body generating
antibodies
38
toxic in your blood that trigger your body to fight
antigen
39
carbohydrate group of antigen
lancerfield
40
antigen that is present in the capsule of streptococci
lancerfield
41
distinguishes the type of antigen the is present in bacteria based on antibodies that it able to introduce
serological test
42
test that look for antibodies in your blood
serological
43
lancerfield antigen that present in streptococci cell wall
Group: A rhamnose N- acetylglucosamine
44
infection of group a: s.pyogens
throat infection
45
infection of group b: s.agalactiae
neonatal meningitis
46
infection of group: c-g s. dysgalactiae & s.equianginosus
nasopharyx also cause inflamation sinusitis pharyngitis
47
wala
wala
48
lancerfield groupings is where
antigen in cell wall specifically capsule
49
who classified the streptococcus into four physiologic division
James Sherman
50
four physiologic division
pyogenic, viridans, lactic and enterococcus
51
where did he based the division of physiologic
beta- hemolytic strains
lancerfield antigen
phenotype test
52
physiologic division that composed of complete lysis and contains letter ABCEFG
pyogenic division (beta hemolytic strains)
53
physiologic division that composed of complete lysis and contains ABCEFG
pyogenic division (beta hemolytic strains)
54
composed of not beta hemolytic or incomplete lysis also not tolerant and can grow at a high pH
viridians division
55
composed of salt tolerant and able to grow at high pH and temp range at 19 to 45 C
enterococcus division
56
physiologic division that is not clinically significant
lactic division
57
causes bacterial phyrgitis skin infection and skin invasion
s.pyogenes
58
GAS that when we have cuts they will invade
s.pyogenes
59
the portal of entry is in skin and lesion in the raised and red massive brawny edema sharply demarcated margin of infection
erysipelas
60
a streptococcus pyogenes that considered not a normal flora
GAS- GROUP A STREPTOCOCCUS
61
a streptococcus pyogenes that raised red massive brawny edema and sharply demarcated margin
erysipelas
62
a streptococcus pyogenes that has infection in skin and subcutaneous tissue
cellulitis
63
rapidly spreading necrosis of the skin
necrotizing fasciitis
64
streptococci enters that uterus after delivery which is essentially a septicemia originating in the infected wound
puerperal fever
65
infection of traumatic or surgical wounds with streptococci result in bacteremia
bacteremia or sepsis
66
local infection of superficial layers of skin
streptococcal pyoderma
67
chances to invade
invasion
68
the infection is there it’s just become opportunistic
local infection
69
honey collar crust
impetigo
70
may be initiated by antigen— antibody complexes ok the glomerular basement membrane
glomerulonephritis
71
it coats or bind the spike protein (neutralization)
antibodies
72
a streptococcus pyogenes that is most serious sequela of s.pyogenes because it result in damage to heart to valves
rheumatic fever (respiratory tract)
73
commonly preceded by infection of the skin
nephritis
74
toxic in red & white blood cells subsurface hemolysin
streptolysin O
75
oxygen stable surface hemolysin antiphagocytic; toxic to various human cell types
streptolysin S
76
virulence invasion of soft tissue and necrotizing fasciitis fever alteration of blood brain barrier
streptococcal toxic shock syndrome
77
virulence factor that fibrinolysin lyses the blood clot prevents fibrin barrier and allow spread of infection
streptokinase
78
group of enyzme with nuclease activity
streptodornase
79
mucoid strains present in capsule antiphagocytic
hyaluronic acid
80
viridan streptococci that produces enzyme also present in teeth, thus playing a role in dental caries
s. mutans
81
viridans streptococci that has normal inhabitants of upper respiratory tract
Streptococcus pneumoniae
82
It is a gram positive catalase negative & oval shaped pairs or short chains
enterococci
83
has a 47 species
enterococci
84
type of enterococcus that causes 80-90% of human infection
enterococcus faecalis
85
one of the enterococcus infection that cause 5-10%
enterococcus faecium
86
what is the 3 types of antigenic determinant
150 O lipopolysaccharide antigen
100 K capsular antigen
50 H flagellar antigen
87
diarrhea of infants
enteropathogenic e.coli
88
travel diarrhea that occurs on children below 5 y/o
enterotoxegenic e.coli
89
where does the travelers diarrhea infection came from
waterborne and food borne
90
it is due to the cytotoxic toxin they produce assisted with hemorrhagic colitis ( severe form of diarrhea)
shiga toxin producing
91
invade epithelial cells of the large intestine and can lead to blood and mucus stool
enteroinvasive e.coli
92
causes acute and chronic diarrhea
enteroagregative e coli
93
they are able to adhere to particular laboratory- cultured cells in aggregative or stacked brick
enteroggregative E.coli
94
what is EAST
enteroaggregative heat stable enterotoxin
95
e.coli can cause
sepsis and meningitis
96
what is mengitis
brain inflammation
97
species of klebsiella spp
k.pneumoniae & k oxytoca
98
present in nasopharynx and feces
klebsiella
99
most frequently isolated serratia
SERRATIA MERCESCENS
100
common opportunistic pathogens
serratia
101
a normal member of microbiota
providencia
102
what infection is highly communicable that can infect even just 10
shigella
103
two species of salmonella
salmonella eterica and salmonella bongori
104
refers to the specific serotype that cause typhoid
typhoidal salmonella
105
refers to all other serotypes
non typhoidal salmonella
106
most common serotypes
enteritis and typhimurium
107
agent of the sexual transmitted disease
n gonorrhoeae
108
carried normal flow in the throat but important pathogens causes bacterial meningitis
n. meningitidis
109
ophthalmia neonatorum
extra-genital infection
110
motile rod shape about 0.6 x 2 gram negative single bacteria short chains
pseudomonas
111
mode of transmission of anthrax
inhalation infected food or drink
112
mode of transmission of whooping cough (perustussis)
by droplet inly cilliated cells of the respiratoty mucosa
113
spread from person to person and contact with infected vomit stool or saliva
peptic ulcer
114
mode of transmission syphilis
sexual contact
115
mode of transmission of tuberculosis
person to person through air
116
causative agent of peptic ulcer
helicobacter pylori
117
causative agent of syphilis
trepanema pallidum
