Infectious Diseases of Skin and MSK - BACTERIA Flashcards

1
Q

Is this bacteria gram positive or negative:
Staphylococcus aureas

A

Gram positive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Is this bacteria gram positive or negative:
Streptococcus pyogenes

A

Gram positive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Is this bacteria gram positive or negative:
Cutibacterium acnes

A

Gram positive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Is this bacteria gram positive or negative:
Clostridium

A

Gram positive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Is this bacteria gram positive or negative:
Erysipelothrix rhusiopathiae

A

Gram positive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Is this bacteria gram positive or negative:
Vibrio vulnificus

A

Gram negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Is this bacteria gram positive or negative:
Pseudomonas aeruginosa

A

Gram negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Is this bacteria gram positive or negative:
Burkholderia pseudomallei

A

Gram negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Is this bacteria gram positive or negative:
Yersinia pestris

A

Gram negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Is this bacteria gram positive or negative:
Streptobacillus monoiliformis

A

Gram negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Is this bacteria gram positive or negative:
Acinetobacter baumannii

A

Gram negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Is this bacteria gram positive or negative:
Rickettsia

A

Gram negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Is this bacteria gram positive or negative:
Orientia tsutsugamushi

A

Gram negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Is this bacteria gram positive or negative:
Borrelia burgdorferi

A

Gram negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Is Staphylococcus catalase positive or negative?

A

Positive
Can convert H2O2 to H2O

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What 3 conditions can Staphylococcus grow in?

A

Aerobic, anaerobic, and high salt conditions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Staph aureus has this, which forms the fibrin layer and causes clotting

A

Coagulase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Does Streptococcus have coagulase?

A

No

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Does Staphylococcus have coagulase?

A

Yes - S. aureus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Many Staph organisms have this type of capsule

A

Polysaccharide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

This in Staph organisms codes for a novel PBP2a with low affinity for methicillin

A

mecA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

In this bacteria, mecA codes for a novel PBP2a with low affinity for methicillin

A

Staphyloccocus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

mecA, a gene which codes for a novel PBP2a with low affinity for methicillin, is found in this organism

A

Staphylococcus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Staph organisms have mecA, which codes for this

A

PBP2a with low affinity for methicillin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
mecA in Staph organisms provides resistance to this
Methicillin
26
In Staph, virulence genes are controlled by this
agr operon
27
In Staph, the agr operon controls this
Virulence genes
28
In this bacteria, capsules, slime layers, and protein A prevent opsonization
Staphylococcus
29
Staphylococcus have these 3 components that prevent opsonization
Capsules Slime layers Protein A
30
Is Staph aureus a normal flora?
Yes Also a potent pathogen Can be transmitted by direct contact, via fomites, or infection can arise from normal microbiota
31
Organism that has Panton-Valentine leukocidin toxin
Staph aureus
32
Staph aureus has this leukocidin toxin that is plasma encoded
Panton-Valentine leukocidin
33
In Staph aureus, is the Panton-Valentine leukocidin toxin encoded on the gene or plasmid?
Plasmid encoded
34
In Staph aureus, Panton-Valentine is this type of toxin
Leukocidin - damages WBCs
35
Exfoliative toxins A and B are serine proteases that degrade desmoglein 1, and are found in this organism
Staph aureus
36
Staph aureus contains these 2 toxins which are serine proteases that degrade desmoglein 1
Exfoliative toxins A and B
37
Staph aureus has Exfoliative toxins A and B, which are serine proteases that degrade this
Desmoglein 1
38
Staph aureus has Exfoliative toxins A and B, which are this type of enzyme
Serine proteases
39
Staph aureus has this exfolitative toxin that is heat stable
Exfoliative toxin A
40
Staph aureus has this exfolitative toxin that is phage encoded
Exfoliative toxin A
41
Staph aureus has this exfolitative toxin that is heat labile
Exfoliative toxin B
42
Staph aureus has this exfolitative toxin that is plasmid encoded
Exfoliative toxin B
43
What is the different between exfoliative toxins A and B in Staph aureus?
A is heat stable and phage encoded B is heat labile and plasmid encoded
44
This is a superantigen found in S. aureus that is heat and protease resistant, chromosomally encoded, and requires elevated oxygen and neutral pH for expression
Toxic shock syndrome toxin 1
45
Toxic shock syndrome toxin 1 is a superantigen found in this organism
Staph aureus
46
Superantigen found in Staph aureus that is heat and protease resistant
Toxic shock syndrome toxin 1
47
Toxic shock syndrome toxin 1 in Staph aureus is encoded here
Chromosomally
48
Toxic shock syndrome toxin 1 in Staph aureus requires these 2 conditions for expression
Elevated oxygen Neutral pH
49
Superantigen in Staph aureus that requires elevated oxygen and neutral pH for expression
Toxic shock syndrome toxin 1
50
Clumping factor in Staph aureus that binds fibrinogen and converts it to insoluble fibrin
Coagulase
51
Coagulase is a clumping factor (binds fibrinogen and converts it to insoluble fibrin) found in this organism
Staph aureus
52
Staph aureus has this type of capsule
Polysaccharide
53
How many serotypes of Staph aureus are there?
11
54
Toxin-based disease where slight pressure displaces skin (Nikolsky sign positive)
Staphylococcal scalded skin syndrome
55
Most adults are protected from Staphylococcal scalded skin syndrome by neutralizing antibodies, and present with this
Bullous impetigo
56
In this condition, redness/inflammation spreads over the entire body followed by cutaneous blisters and later by desquamation of the epithelium
Staphylococcal scalded skin syndrome
57
Condition involving localized growth of disease causing strains in the vagina (menstrual) or wounds (non menstrual); toxin released into the blood
Toxic shock syndrome
58
Fever, rash, desquamation and hypotension are major criteria for this condition Minor criteria includes multisystem involvement in 3 or more organ systems
Toxic shock syndrome
59
What are the 4 major criteria for Toxic shock syndrome?
Fever Rash Desquamation Hypotension
60
Hypotension is seen in this condition
Toxic shock syndrome
61
Staph aureus can be cultured on these two agars
Blood agar Mannitol Salt agar
62
Mannitol Salt agar is selective (high salt) and differential (ferment mannitol) for this organism
Staph aureus
63
Most Staph aureus are resistant to this
Penicilin
64
This organism is resistant to all forms of penicillinase resistant beta lactam antibiotics (methicillin, oxacillin, floxacillin, etc.)
Staph aureus
65
Staph aureus have acquired this, which encodes penicillin binding protein 2A
mecA
66
Staph aureus have acquired mecA, which encodes this
Penicillin binding protein 2A
67
Antibiotic that is used empirically for serious infections with Staph aureus
Vancomycin
68
Vancomycin intermediate S. aureus (VISA) have this
A thickened wall
69
Vancomycin resistant S. aureus (VRSA) acquired the vanA gene from this organism
Enterococcus
70
Vancomycin resistant S. aureus (VRSA) acquired this gene from Enterococcus
vanA
71
This organism has vancomycin resistance by acquiring the vanA gene from Enterococcus
Vancomyin resistant S. aureus (VRSA)
72
Cell division occurs in a single plane in this organism
Streptococci
73
Streptococci require this kind of environment
Are facultative anaerobes
74
Type of media required for Streptococci
Need blood or serum enriched media
75
Is Streptococci catalase positive or negative?
Negative
76
Streptococci typing scheme where group-specific carbohydrates are detected by antisera
Lancefield typing scheme
77
The Lancefield typing scheme is used to type this organism
Streptococci
78
What is the basis of the Lancefield typing scheme?
Carbohydrates
79
Strep pyogenes is in this Lancefield typing group
Group A
80
Strep agalactiae is in this Lancefield typing group
Group B
81
Streptococcus species that is beta-hemolytic
Strep pyogenes
82
Strep pyogenes is sensitive to this antibiotic
Bacitracin
83
This is a major type specific antigen in Strep pyogenes that also blocks phagocytosis and C3b
M protein (emm gene)
84
M protein (emm gene) is a major type specific antigen of this organism
Strep pyogenes
85
Human pharynx, skin, and mucosal surfaces are the natural habitat for this organism that transmits by droplets or direct contact
Strep pyogenes
86
Where is the natural habitat of Strep pyogenes?
Human pharynx, skin, and mucosal surfaces
87
Heat labile superantigens in Strep pyogenes
Spe (strep pyrogenic exotoxins)
88
Does Strep pyogenes have endotoxin or exotoxin?
Has exotoxins Spe (strep pyrogenic exotoxins)
89
Toxin of Strep pyogenes that is oxygen stable, non-immunogenic cell bound hemolysin
Streptolysin S
90
Toxin of Strep pyogenes that is an oxygen labile, pore forming toxin
Streptolysin O
91
Which Strep pyogenes toxin is oxygen stable, Streptolysin S or O?
Streptolysin S
92
Which Strep pyogenes toxin is a pore forming toxin?
Streptolysin O
93
Which Strep pyogenes toxin is a non-immunogenic cell bound hemolysin?
Streptolysin S
94
Streptolysin S and O are toxins of this organism
Strep pyrogens
95
Virulence factor in Strep pyogenes that mediates the cleavage of plasminogen (which releases plasmin which cleaves fibrin and fibrinogen; promotes spreading)
Streptokinase A and B
96
Streptokinase A and B mediate the cleavage of this
Plasminogen
97
Streptokinase A and B are virulence factors found in this organism
Strep pyogenes
98
Some Strep pyogenes have this kind of capsule
Hyaluronic acid
99
Some organisms of this species have a hyaluronic acid capsule
Strep pyogenes
100
PYR (L-pyrrolidonyl arylamidase) is found in this organism
Strep pyogenes
101
Scarlet fever is a complication of this organism
Strep pharyngitis
102
Acute glomerulonephritis is a post infection sequelae that can occur after skin infection with this
Strep pyogenes
103
Acute rheumatic fever/heart disease and Pediatric neurological diseases are post infection sequelae that can occur after throat infection with this
Strep pyogenes
104
Can penicillin be used to treat S. aureus?
No Most are resistant to penicillin
105
Can penicillin be used to treat S. pyogenes?
Yes, is still effective
106
Is Cutibacterium acnes gram positive or negative?
Gram positive
107
What is the shape of Cutibacterium acnes?
Rod
108
Does Cutibacterium acnes require oxygen?
No, is anaerobic
109
Does Cutibacterium acnes form spores?
No
110
Is Cutibacterium acnes catalase positive or negative?
Positive
111
Is Clostridia gram negative or positive?
Gram positive
112
Is S. pyogenes beta-hemolytic?
Yes
113
Organism that is rapid spreading growth, beta hemolytic, and produces gas
Clostridium perfringens
114
Clostridium perfringens produces this foul smelling gas
H2S
115
This organism produces gases, including H2S (foul smelling)
Clostridium perfringens
116
This is the only toxin produced by all 5 types of Clostridium perfringens
Alpha toxin
117
Toxin in Clostridium perfringens that is a lecithinase (PLC C) that lyses RBCs, plates, WBCs, endothelial cells
Alpha toxin
118
Alpha toxin, a lecithinase that lyses RBCs, platelets, WBCs, endothelial cells, is found in this organism
Clostridium perfringens
119
Toxin of Clostridium perfringens that causes massive hemolysis, increased vascular permeability and bleeding, tissue destruction, liver toxicity and myocardial dysfunction
Alpha toxin
120
Toxin of Clostridium perfringens that is heat labile, only during sporulation
Enterotoxin
121
Enterotoxin is heat labile, only during sporulation, found in this organism
Clostridium perfringens
122
Does Clostridium perfringens require oxygen?
No, is anaerobes
123
Nagler's reaction is used to diagnose this organism
Clostridium perfringens
124
This is used to distinguish Clostridium perfringens from other Clostridia which are lecithinase positive
Nagler's reaction
125
What is the treatment for Clostridium perfringens?
Surgical debridgement and high dose Penicillin G
126
Surgical debridement and high dose Penicillin G are the treatment for this condition
Clostridium perfringens
127
Surgical debridement and high dose of this is treatment for Clostridium perfringens
Penicillin G
128
Does Bacillus require oxygen?
Is aerobic
129
What is the gram staining of bacilli?
Gram positive
130
Are Bacillus motile?
No, are nonmotile
131
This organism is large, aerobic, nonmotile gram positive forming endospores
Bacillus
132
Does Bacillus form spores?
Form endospores
133
What type of hemolysis occurs in Bacillus?
Gamma hemolytic
134
What type of hemolysis occurs in Strep pyogenes?
Beta hemolytic
135
What type of hemolysis occurs in Clostridium perfringens?
Beta hemolytic
136
What conditions do Bacillus require for growth?
None; are non-fastidious
136
2 reservoirs for Bacillus anthracis
Domestic cattle and sheep
137
Endospores of this organism survive in soil for decades
Bacillus anthracis
138
2 ways Bacillus anthracis may be transmitted
Inoculation into cuts or abrasions Inhaling endospores
139
Gram staining of Erysipelothrix rhusiopathiae
Gram positive
140
Is Erysipelothrix rhusiopathiae catalase positive or negative?
Positive
141
What is the shape of Erysipelothrix rhusiopathiae?
Rods
142
Is Erysipelothrix rhusiopathiae motile?
No
143
Localized cutaneous form of Erysipelothrix rhusiopathiae
Erysipeloid
144
Erysipeloid is a localized cutaneous form of infection with this organism
Erysipelothrix rhusiopathiae
145
Infection in humans with this organism is occupationally related, principally occurring as a result of contact with contaminated animals, their produces or wastes, or soil
Erysipelothrix rhusiopathiae
146
Infection with Erysipelothrix rhusiopathiae is related to this
Occupationally related
147
Is Mycobacteria motile?
No
148
Does Mycobacteria form spores?
No
149
What shape is Mycobacteria?
Rods
150
Do Mycobacteria require oxygen?
Facultative intracellular aerobic
151
Mycobacteria cell wall is rich in this
Lipids Made of mycolic acids
152
This organism can form branched filaments
Mycobacteria
153
Mycobacteria cell wall is gram negative or positive?
Gram positive
154
Lipoarabinomannan (LAM) is found anchored in the plasma membrane of this organism
Mycobacteria
155
Organism detected in an Acid fast stain
Mycobacteria
156
Is Mycobacteria fast or slow growing?
Slow
157
Organism that causes Tuberculoid leprosy and Lepromatous leprosy
Mycobacterium leprae
158
Infection caused by Mycobacterium leprae that is a strong cellular reaction with many lymphocytes and granulomas present in tissue with few bacteria Dry, scaly lesions that lack sensation
Tuberculoid leprosy
159
Infection caused by Mycobacterium leprae that is a strong antibody response Chronic infection affecting skin and peripheral nerves Disfiguring skin lesions
Lepromatous leprosy
160
Organism with toxin mycolactone that causes tissue damage and inhibits the immune response allowing disease to progress with no pain or fever
Mycobacterium ulcerans
161
Mycobacterium ulcerans has this toxin that causes tissue damage and inhibits the immune response allowing disease to progress with no pain or fever
Mycolactone
162
A Buruli Ulcer can occur with this organism
Mycobacterium ulcerans
163
Infection with this organism causes a nodule that will ulcerate within 4 weeks with the classical, undetermined borders
Mycobacterium ulcerans
164
Infection with Mycobacterium ulcerans involves a nodule that will ulcerate within 4 weeks with this
Undetermined borders
165
This is the most commonly used method to diagnose Mycobacterium ulcerans
PCR
166
Are Vibrio gram positive or negative?
Negative
167
What is the shape of Vibrio?
Curved rods with polar flagella
168
This organism is gram negative rods with polar flagella
Vibrio
169
Are Vibrio oxidase positive or negative?
Positive
170
Most Vibrio require this for growth
Salt
171
Most of this species have toxin coregulated pili
Vibrio
172
Does Vibrio require oxygen?
Are facultative anaerobes
173
Organism that causes wound infections and secretory diarrhea Increased susceptibility with high iron in the blood or liver dysfunction
Vibrio vulnificus
174
What does Vibrio vulnificus cause?
Wound infections and secretory diarrhea
175
Vibrio vulnificus causes wound infections and secretory diarrhea, and patients with these have increased susceptibility
High iron in the blood or Liver dysfunction
176
Is Pseudomonas aeruginosa gram positive or negative?
Negative
177
Does Pseudomonas aeruginosa require oxygen?
Is aerobic
178
What is the shape of Pseudomonas aeruginosa?
Bacillus
179
Is Pseudomonas aeruginosa oxidase positive or negative?
Positive
180
This organism has a polysaccharide slime layer or capsule
Pseudomonas aeruginosa
181
Is Pseudomonas aeruginosa motile?
Yes, via a polar flagellum
182
This organism forms large, moist, fluorescent greenish colonies with a characteristic "fruity" smell
Pseudomonas aeruginosa
183
Is Pseudomonas aeruginosa resistant to antibiotics?
yes, is inherently antibiotic resistant
184
Does Pseudomonas aeruginosa ferment?
No
185
Does Pseudomonas aeruginosa have a polysaccharide slime layer or capsule?
yes
186
Pseudomonas aeruginosa are motile via this
Polar flagellum
187
Gram negative, aerobic, nonfermentative bacilli with a polysaccharide slime layer or capsule
Pseudomonas aeruginosa
188
Diffusable pigment produced by Pseudomonas aeruginosa that is blue, catalyzes the production of superoxide and hydrogen peroxide, stimulates IL-8 release
Pyocyanin
189
Diffusable pigment produced by Pseudomonas aeruginosa that is yellow-green, siderophore that binds iron, and regulates virulence factor secretion
Pyoverdin
190
Pyocyanin and Pyoverdin are diffusible pigments produced by this organism
Pseudomonas aeruginosa
191
Diffusable pigment produced by Pseudomonas aeruginosa that catalyzes the production of superoxide and hydrogen peroxide
Pyocyanin
192
Diffusable pigment produced by Pseudomonas aeruginosa that stimulates IL-8 release
Pyocyanin
193
Diffusable pigment produced by Pseudomonas aeruginosa that is a siderophore that binds iron
Pyoverdin
194
Diffusable pigment produced by Pseudomonas aeruginosa that regulates virulence factor secretion
Pyoverdin
195
Virulence factor of Pseudomonas aeruginosa that is a mucoid exopolysaccharide that forms the capsule
Alginate
196
Alginate is a mucoid exopolysaccharide that forms the capsule and is a virulence factor of this organism
Pseudomonas aeruginosa
197
Virulence factors of Pseudomonas aeruginosa that synergistically degrade elastin
Elastases LasA (serine protease) and LasB (zinc metalloprotease)
198
Elastases LasA (serine protease) and LasB (zinc metalloprotease) are virulence factors of this organism
Pseudomonas aeruginosa
199
Heat-labile hemolysin that breaks down lipids and lecithin and is a virulence factor of Pseudomonas aeruginosa
Phospholipase C
200
Phospholipase C is a heat-labile hemolysin breaks down lipids and lecithin, and is a virulence factor of this organism
Pseudomonas aeruginosa
201
Alginate, Elastases LasA and LasB, and Phospholipase C are virulence factors of this organism
Pseudomonas aeruginosa
202
"Hot tub folliculitis" can occur from infection with this organism
Pseudomonas aeruginosa
203
Community-acquired infections of this organism include otitis externa, impetigo, folliculitis (immersion in contaminated water: “hot tub folliculitis”)
Pseudomonas aeruginosa
204
In cystic fibrosis, most patients are colonized with this organism by adulthood and experience recurring infections
Pseudomonas aeruginosa
205
Most patients with this condition are colonized with Pseudomonas aeruginosa by adulthood and experience recurring infections
Cystic fibrosis
206
Healthcare-associated and opportunistic infections of this organism includes wound - especially burn
Pseudomonas aeruginosa
207
Pseudomonas aeruginosa can be isolated on these 2 agars
Blood or MacConkey
208
Positive nitrate reduction test is used in diagnosis of this organism
Pseudomonas aeruginosa
209
Treatment for Pseudomonas aeruginosa usually includes these 2 drugs
3rd gen cephalosporins and Aminoglycosides
210
Is Burkholderia pseudomallei motile?
Yes
211
Is Burkholderia pseudomallei catalase positive or negative?
Positive
212
Is Burkholderia pseudomallei gram positive or negative?
Negative
213
What is the shape of Burkholderia pseudomallei?
Bacillus
214
Is Burkholderia pseudomallei fermenting?
No Lactose non-fermenting
215
Melioidosis (aka Whitmore's disease) is caused by this organism
Burkholderia pseudomallei
216
Disease caused by Burkholderia pseudomallei
Melioidosis (aka Whitmore's disease)
217
Does Yersinia pestis require oxygen?
Is facultative anaerobe
218
Is Yersinia pestis safe to handle in pure culture?
No, is extremely hazardous
219
Are Yersinia pestis infections considered zoonotic?
Yes - all
220
Reservoir for Yersinia pestis
Rats and a wide variety of other wild rodents
221
Vector in Yersinia pestis
Rodent flea ectoparasites
222
Urban and sylvatic plagues are caused by this organism
Yersinia pestis
223
This condition caused by Yersinia pestis is characterized by the sudden onset of fever, chills, weakness, and headache, accompanied by regional lymphadenitis
Bubonic plague
224
Diagnosis of this organism is made by smear and culture of blood or pus (which can be dangerous), fluorescent antibody staining and serology
Yersinia pestis
225
What is the control for Yersinia pestis?
Avoiding exposure to rodents and their fleas
226
This is the main treatment for Yersinia pestis
Gentamicin (also streptomycin or doxycycline)
227
Is Pasteurella multocida gram positive or negative?
Negative
228
What is the shape of Pasteurella multocida?
Encapsulated rod
229
Does Pasteurella multocida require oxygen?
Facultative anaerobe
230
This organism is part of the normal flora of cats and dogs and is transmitted to humans by an animal bite or scratch
Pasteurella multocida
231
Pasteurella multocida is part of the normal flora of this
Cats and dogs Is transmitted to humans by bite or scratch
232
Pasteurella multocida infections can become systemic in patients with this
Compromised immune systems
233
Can penicillin be used to treat Pasteurella multocida?
Yes, is effective
234
Is Streptobacillus moniliformis gram positive or negative?
Negative
235
What is the shape of Streptobacillus moniliformis?
Filamentous bacillus
236
Organism that causes streptobacillary fever or rat bite fever
Streptobacillus moniliformis
237
This bacteria is found in the oropharyngeal flora of 50% of healthy wild and laboratory rats
Streptobacillus moniliformis
238
How is Streptobacillus moniliformis transmitted to humans?
By a rodent bite
239
A patient bitten by a rat could have this condition
Rat bite fever Caused by Streptobacillus moniliformis
240
In this condition, bacteria multiply at the site of inoculation and spread to lymph nodes and blood, leading to lymphadenopathy, rash and arthralgia Rash can include palms and soles
Rat bite fever Caused by Streptobacillus moniliformis
241
Does a rash from Rat bite fever (caused by Streptobacillus moniliformis) involve the palms and soles?
It can yes
242
What is the treatment for Rat bite fever (caused by Streptobacillus moniliformis)?
Penicillin or doxycycline
243
What is the treatment for Rickettsia species?
Tetracyclines (doxycycline)
244
Rocky mountain spotted fever is caused by this organism
Rickettsia rickettsii
245
Mediterranean spotted fever is caused by this organism
Rickettsia conorii
246
Rickettsialpox is caused by this organism
Rickettsia akari
247
Epidemic typhus is caused by this organism
Rickettsia prowazekii
248
Endemic (murine) typhus is caused by this organism
Rickettsia typhi
249
Rickettsia rickettsii causes this condition
Rocky mountain spotted fever
250
Rickettsia conorii causes this condition
Mediterranean spotted fever
251
Rickettsia akari causes this condition
Rickettsialpox
252
Rickettsia prowazekii causes this condition
Epidemic typhus
253
Rickettsia typhi causes this condition
Endemic (murine) typhus
254
Human disease with this organism is characterized by a prominent macular skin rash involving palms and soles, which spreads centripetally Pneumonia is common
Rickettsia rickettsii
255
A macular skin rash involving palms and soles that spreads centripetally is characteristic of this organism
Rickettsia rickettsii
256
What is the prognosis of a patient with Rocky mountain spotted fever (caused by Rickettsia rickettsii)?
Death occurs 7-15 days after onset of symptoms without appropriate treatment
257
What is the reservoir for Rickettsia rickettsii?
Wild rodents
258
What is the vector for Rickettsia rickettsii?
Ticks, e.g. Dermacentor species (wood ticks, dog ticks)
259
Ticks, e.g. Dermacentor species (wood ticks, dog ticks) is the vector for this organism
Rickettsia rickettsii
260
What is the reservoir for Rickettsia akari?
House mouse
261
What is the vector for Rickettsia akari?
Mite ectoparasite
262
This condition has the typical triad of fever, papulovesicular rash, and an eschar at the site of the mite bite
Rickettsialpox (caused by Rickettsia akari)
263
Eschar is often seen in this condition that is similar to chickenpox but not fatal
Rickettsialpox (caused by Rickettsia akari)
264
What is the typical triad of Rickettsialpox (caused by Rickettsia akari)?
Fever Papulovesicular rash Eschar at site of mite bite
265
What is the reservoir for Rickettsia prowazekii?
Humans Vector is the head and body louse
266
Does the rash from infection with Rickettsia ricketsii involve the palms and soles?
Yes, then spreads centripetally
267
Does the rash from infection with Rickettsia prowazekii involve the palms and soles?
No
268
Does the rash from infection with Rickettsia ricketsii spread centrifugally or centripetally?
Centripetally (starts in extremities and spreads to trunk)
269
Does the rash from infection with Rickettsia prowazekii spread centrifugally or centripetally?
Centrifugally Does not involve the face, palms or soles
270
Condition where Rickettsia prowazekii organisms may remain dormant for decades after primary infection and cause mild relapses when immune system declines
Recrudescent typhus Aka Brill-Zinsser disease
271
Recrudescent typhus (Aka Brill-Zinsser disease) is caused by this organism which may remain dormant for decades after primary infection and cause mild relapses when immune system declines
Rickettsia prowazekii
272
What is the reservoir for Rickettsia typhi?
Rats
273
What is the vector for Rickettsia typhi?
Rat fleas
274
Type of typhus that does not spread in epidemics Gradual onset, less severe
Endemic typhus (caused by Rickettsia typhi)
275
This organism is a Rickettsia-like organism and obligate intracellular parasite
Orientia tsutsugamushi
276
What is the reservoir for Orientia tsutsugamushi?
Small rodents
277
What is the vector for Orientia tsutsugamushi?
Trombiculid mites
278
Trombiculid mites are the vector for this organism
Orientia tsutsugamushi
279
Scrub typhus is caused by this organism
Orientia tsutsugamushi
280
Orientia tsutsugamushi causes this condition
Scrub typhus
281
Eschar is seen in infections with either of these organisms
Orientia tsutsugamushi (scrub typhus) Rickettsia akari (Rickettsialpox)
282
Condition characterized by fever, mental changes, headache, inoculation eschar, rash, and lymphadenopathy
Scrub typhus (caused by Orientia tsutsugamushi)
283
Orientia tsutsugamushi is largely confined to this region
Eastern and Southeast Asia
284
Is Francisella tularensis gram positive or negative?
Negative
285
What is the shape of Francisella tularensis?
Coccobacillus
286
Is Francisella tularensis motile?
No Can be encapsulated
287
Does Francisella tularensis require oxygen?
Yes, is strict aerobe
288
Francisella tularensis requires this molecule for growth
Cysteine
289
Organism that is fastidious and slow growing, and requires cysteine
Francisella tularensis
290
Francisella tularensis localizes to this type of cells
Cells of the mononuclear phagocyte system Form granulomas
291
Organism that localizes to cells of the mononuclear phagocyte system forming granulomas
Francisella tularensis
292
What is the reservoir of Francisella tularensis?
Wild mammals, especially rabbits
293
Rabbits are the reservoir of this organism
Francisella tularensis
294
Francisella tularensis causes this condition characterized by abrupt onset fever and chills
Ulceroglandular Tularemia
295
Ulceroglandular Tularemia is caused by this organism
Francisella tularensis
296
How long is the incubation period of Ulceroglandular Tularemia (caused by Francisella tularensis)?
3-5 days incubation period Abrupt onset fever and chills
297
Francisella tularensis can be cultured on this agar, but is extremely hazardous
Chocolate agar
298
This organism may be cultured on chocolate agar, but is extremely hazardous
Francisella tularensis
299
This is the treatment for Francisella tularensis
Streptomycin
300
What is the vector for Borrelia burgdorferi?
Ixodes deer tick (hard tick)
301
The Ixodes deer tick (hard tick) is the vector for this organism
Borrelia burgdorferi
302
What is the reservoir for Borrelia burgdorferi?
Includes deer, deer mice, and birds
303
Borrelia burgdorferi causes this condition
Lyme disease
304
Lyme disease is caused by this organism
Borrelia burgdorferi
305
This is the treatment for early manifestations of Borrelia burgdorferi
Doxycycline
306
This is the treatment for later manifestations of Borrelia burgdorferi
Ceftriaxone
307
Opportunistic bacteria causing wound infections that is aerobic, nonmotile, gram negative rod
Acinetobacter baumannii
308
Is Acinetobacter baumannii gram positive or negative?
Negative
309
What is the shape of Acinetobacter baumannii?
Rod
310
Septic arthritis may be caused by these 3 organisms
Staph aureus Strep pyogenes Strep agalactiae
311
Staph aureus, Strep pyogenes and Strep agalactiae may cause this condition characterized by invasion of joint causing localized inflammation with fever
Septic arthritis
312
Autoimmune disease prompted by infection at distal parts of body, not infection of the joint
Reactive arthritis
313
Does Reactive arthritis or Septic arthritis involve infection of the joint?
Septic arthritis (joint is invaded by microbe) Reactive arthritis is autoimmune disease prompted by infection at distal parts of body - NOT infection of the joint
314
Infection of bone or bone marrow
Osteomyelitis
315
Patients with Sickle Cell Anemia may develop Osteomyelitis due to infection with this organism
Salmonella