Micro KL Flashcards

1
Q

Pneumocystis carinii is what kind of organism?

A

Fungi

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2
Q

DOC Giardiasis

A

Metronidazole

alt Quinacrine

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3
Q

DOC: Cryptosporidium

A

Nitazoxanide

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4
Q

DOC: Cyclospora

A

TMP SMX

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5
Q

DOC: Trichomoniasis

A

Metronidazole

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6
Q

DOC:
Hemolytic stage of Trypanosoma rhodiense
&
Late CNS stage

A

Suramin

Melarsoprol

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7
Q

DOC: Trypanosoma gambiense
Hemolytic and
Late CNS stage

A

Pentamidine

Eflornithine

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8
Q

DOC: Chargas

A

Benzimidazole

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9
Q

DOC: Leishmaniasis

A

Stibogluconate

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10
Q

DOC: Naegleria & Acanthamoeba

A

Amphotericin B

IV + Intrathecal

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11
Q

DOC: P vivax & ovale hypnozoites

A

Primaquine

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12
Q

DOC: P vivax & ovale in areas of LESS resistance

A

Chloroquine

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13
Q

Re-emergence of symptoms in malaria previously treated d/t REACTIVATION of hepatic hypnozoites

A

Relapse

V/O

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14
Q

Re-emergence of malaria symptoms in patients previously asymptomatic d/t decreased immune response with no prior treatment

A

Re-crudescence

F/M

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15
Q

DOC: P falciparum

A

Artemether

lumefantrine

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16
Q

DOC: Toxoplasma

A

Sulfadiazine +

Pyrimethamine

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17
Q

Only common protozoan pathogen found in the duodenum and jejunum of humans causing diarrhea

A

G lamblia

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18
Q

After ingestion of contaminated food or water, patient had watery greasy bulky, foul-smelling stool. probably d/t

A

Giardiasis

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19
Q

Lateral spread or invasion of amoebae in the intestine produces this characteristic histological finding

A

Flask shaped lesions

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20
Q

MC extra-intestinal amebic infection

A

Amebic liver abscess

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21
Q

Description of amebic liver abscess after drainage

A

Anchoby paste

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22
Q

MC misdiagnosed non-pathogenic amebic species

A

Entamoeba dispar

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23
Q

MC source of spread of amebic infections

A

Asymptomatic cyst passers

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24
Q

DOC for Asymptomatic amebic cyst passers

A

Diloxanide furoate

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25
Unilateral swelling of the eyelids in Chagas disease
Romana's sign
26
MC serious condition or complication in Chagas disease
Interstitial myocarditis
27
Children swimming in ponds develop progressive headache, fever, nuchal rigidity, n/v, disorientation. Causative agent:
Naegleria fowleri
28
Organism implicated in CNS infections d/t contaminated contact lens washing solution
Acanthamoeba
29
Infective stage of plasmodium transmitted from bite of anopheles mosquito
Sporozoites
30
Merozoites are released every 72 hours from lysed RBCs in this particular plasmodium species
P malariae
31
COarse stippling found in blood smears in patients with falciparum malaria
Maurer's clefts/dots
32
Plasmodium species involved when only ring forms and gametocytes are found in the peripheral blood smear
Falciparum
33
Plasmodium that parimarily invades OLDER RBCs
P malariae
34
Form or variant of malaria with predominant GI manifestations like vomiting and bloody diarrhea
Algid malaria
35
Species implicated in cerebral malaria d/t cyto-adherence
Falciparum
36
Species of plasmodium associated with nephrotic syndrome in children
P malariae
37
Term used to describe severe falciparum malaria with RBC hemolysis causing ATN giving bloody dark urine
Blackwater fever
38
``` All forms of malaria can be transmitted via these routes except: A. Transplacental B. Blood transfusion C. Needle stick D. Sexually ```
Sexually
39
Most helminths do NOT multiply asexually in humans except
E granulosus
40
Only intracellular helminth causing infection in humans
Trichinella inside muscle (nurse cell)
41
Parasite implicated in nocturnal perianal pruritis
Enterobius vermicularis
42
Method of Dx for nocturnal perianal prutitus (E vermicularis)
Scotch tape test
43
DOC for pinworm infection
Pyrantel pamoate | alt mebendazole
44
DOC for trichuriasis/whip worm
Mebendazole | alt albendazole
45
DOC for ascariasis
Mebendazole or albendazole
46
DOC for hookworm infection
Mebendazole or albendazole
47
DOC for strongyloides
Ivermectin | alt albendazole
48
DOC: trichinella
Albendazole
49
DOC: for cestodes infections
Praziquantel
50
DOC: Filariasis
Di-ethyl-carbamazine dec
51
DOC: Onchocerca
Ivermectin
52
DOC: Dracunculus medinensis
Physical manual extraction via stick/surgical
53
DOC: Fasciola hepatic
Triclabendazole/bithionol
54
DOC: Flukes
Praziquantel
55
DOC: Hydatid disease
Albendazole/surgical
56
Neuro-cysticercosis is caused by ingestion of what infective stage of Taenia solium
Eggs
57
Syndrome from larvael migration causing cough, eosinophilia, pulmonary infiltrates
Loeffler's syndrome
58
Intesnse erythema pruritus after hookworm penetration on the skin
Ground itch
59
Parasite capable of producing hyperinfection, re-infection, auto-infection, where females are parthenogenic
Strongyloides
60
Cestode infection associated with B12 deficiency
D latum
61
Infective stage of D latum to man
Plero-cercoids
62
Term to characterized the predominant presence of micro-filariae at night in blood of patients
Nocturnal periodicity
63
Second intermediate host of fasciola hepatica
Water cress
64
2nd intermediate host of schistosoma
NONE | hahahhaha GOT YOU !
65
Prodrome symptoms of of headache, fever, chills, diarrhea, eosinophilia AFTER schistosoma infection
Katayama fever
66
Schistosoma spp whose egg contains a lateral spine
S mansoni
67
Itchy rash shortly after schistosomal cercariae penetrate into the skin
Swimmers' itch
68
Predominant cause of pathology in schistosomiasis
Entrapment of eggs in organs and vascular system
69
What is the FINAL host of Echino-coccus granulosus
Dogs
70
Schistosoma prevalent in areas in the Philippines EXCEPT - Mindoro - Sorsogon - Leyte - Mindanao - Ilocos
Ilocos
71
Protozoan notorius for causing sexually transmitted infections associated with yellowish, copious, foul-smelling discharge
Trichomonas vaginalis
72
Schistosoma spp that live in mesenteric veins
S mansoni and japonicum
73
De-worming was done by giving mebendazole in a barangay. Which of the ff helminths will NOT be covered? - Trichuris - Ascaris - Hookworms - Trichinella - E vermicularis
Trichinella
74
Parasite with golden barrel shaped eggs with bipolar plugs
Trichuris
75
Congential protozoal infection causing IURG
Toxoplasmosis
76
DxOC in asymptomatic patients with suspected amebic liver abscess
Eia antibody detection
77
DxOC for differentiating pathogenic and non-pathogenic amoebae adjunct to microscopy
Stool antigen test
78
Helminth mostly associated with human hookworm infections - Necator - Echino-coccus - Toxocara - Ancylostoma - Uncinaria
Necator
79
2nd intermediate host of the Oriental Lung fluke
Crabs
80
String test can be used to diagnose which 2 parasitic infections
Strongyloides and giardiasis
81
COPT test is used to Dx which of the ff infections - Ameba - Giardiasis - Strongyloides - Schistosoma
- Schistosoma
82
Filariasis causes swelling in what areas on women
Legs Breasts Arms
83
A person with Asx infection that can be transmitted to another person
Carrier
84
Ability of an infectious agent to cause disease
Pathogenicity
85
Quantitative ability of an agent to cause disease even in small numbers
Virulence
86
Unique capsule of Bacillus anthracis
Poly-D glutamic acid capsule
87
Infection initially starting as pruritic papule that changes rapidly to a vesicle, ulcerates, leaving a black eschar, also causes mediastinal hemorrhage and sepsis
Anthrax
88
DOC for anthrax
Ciprofloxacin
89
Bacteria assocaited with diarrrhea, vomiting after ingestion of re-heated fried rice, contaminated meat/sauces
Bacillus cerus
90
All of the ff conditions are caused by clostridia EXCEPT - Botulism - Tetanus - Gas gangene - Pseudomembranous colitis - Necrotizing fasciitis
Necrotizing fasciitis
91
Toxin that cleaves SNARE proteins such as snap 2, syntaxin and synaptobrevin
Botulinum toxin
92
After ingestion of canned goods, sudden onset of dysphagia, speech difficulty, muscle incoordination
Botulism
93
What toxin cleaves synaptobrevin inhibiting inhibitory neuron release or firing
Tetanus toxin
94
Most important aspect in the treatment of C perfringens myonecrosis or infection
Surgical debridement
95
All of the ff describe Clostridium spp EXCEPT - Gram + cocci - Anaerobic - Ferments carbohydrates and digest proteins - Terminal endospores
Gram + Bacilli
96
Bacterium with deeply staining meachromatic granules giving a beaded appearance
C diphtheriae
97
Exo-toxing that can inhibit EF-2 by ADP ribosylation is produced by which 2 organisms
Pseudomonas | C diphtheriae
98
Bullneck, grayish pseudomembrane, myocarditis, ATN, demyelination describe
Diphtheria
99
Early onset perinatal disseminated listeria infection causing sepsis, pustules and granulomas in multiple organs
Granulomatosis infantiseptic
100
DOC for Listeria infection
Ampicillin and | Gentamicin
101
DOC for CNS listeria who is allergic to penicillin
TMP SMX
102
Catalase + Coagulase + Gram + Cocci producing yellowish colonies
S aureus
103
Resistance to methicillin by S aureus is mediated by what mechanism
Chromosomal gene causing altered penicillin binding proteins
104
Toxin of S aureus able to lyse WBC and acts as importance virulence factor
Panton valentine leukocidin
105
Toxins implicated for staphylococcal scalded skin syndrome
Exfoliative toxins
106
Prototypcial super antigen
TSST-1
107
``` Gram + Cocci Novobiocin R Catalase + Coagulase - Etiologic agent of UTI ```
S saprophiticus
108
Causative agent known to cause prosthetic infections by forming biofilms coagulase - catalase +
S epidermidis
109
5th generation cephalosporin with coverage for MRSA
Ceftaroline
110
Drug used to eradicate nasal carrier state of S aureus
Rifampin
111
MC bacteria implicated in neonatal sepsis
S agalactiae
112
MC implicated bacteria in dental carries
S mutans
113
Optochin R strep species implicated in endocarditis esp with previously damaged heart valves
Viridans strep
114
Bacitacin S PYR+ strep causing significant human dse
S pyogenes
115
Bacitracin R strep CAMP + Beta hemolytic
S agalactiae
116
Optochin S, Bile soluble Quellung + Alpha hemolytic
S pneumoniae
117
Grows in bile and 6.5% NaCl | implicated in bacteremia among colon cancer patients
S bovis
118
Catalase + Coagulase - Novobiocin S G + cocci
S epidermidis
119
Catalase - Greenish hue in blood agar Optochin R
Viridans strep
120
Gram + Branching filaments anaerobic Non-acid fast
Actinomyces
121
Gram + Branching filaments Aerobic Acid fast
Nocardia
122
Virulence factor of streptococci which induces antibodies that react with human cardiac sarcolemma implicated in Rheumatic fever
M protein
123
Also known as spreading factor of streptococci causing breakdown in the ground substance of connective tissues
Hyaluronidase
124
Superantigen produced by streptococci capable of producing toxic shock syndrome
Pyrogenic exoteoxins a b c
125
ASO titer cutoff suggestive of recent streptococcal infection
160-200 units
126
Agent responsible for the hemolytic zones around strep colongies on blood agar
Streptolysin S
127
All of the ff infections are caused by S pyogenes EXCEPT - Impetigo - Erysipelas - Cellulitis - Necrotizing fasciitis - Scarlet fever - Pharyngitis - None
NONE S pyogenes causes all of those
128
MC infection caused by group A Beta hemolytic streptococci
Pharyngitis
129
Stretococcal skin infection/impetigo could lead to this autoimmune complication
Glomerulonephritis
130
Post streptococcal disease commonly proceeded by a streptococcal URTI
Rheumatic fever
131
Post streptococcal disease commonly preceeded by a streptococcal URTI
1-4 weeks
132
Most serious sequelae of S pyogenes infection
Rheumatic fever
133
Post streptococcal disease NOT associated with cutaneous strep infection
Rheumatic fever
134
Serologic tests more specific for streptococcal cutaneous infections
Anti-DNAse B and | Anti-hyaluronidase
135
DOC for S pyogenes infection
Pen G
136
Most prevalent component of the normal flora of the URT
Viridans strep
137
Gram + Lancet shaped diplococci in chains with | polysaccharide capsule
S pneumoniae
138
Bacteremia from S pneumonia causes a triad of these complications
Endocarditis Meningitis Septic arthritis
139
DOC for mild pneumonia
Amoxicillin
140
DOC for enterococcal infections
Ampi | Genta
141
Main virulence factor of S pneumoniae
Polysaccharide capsule
142
``` Non motile Non lactose fermenter No gas from dextrose No H2S production G - Rod Invasive GI disease ```
Shigella
143
Swarming motility Urease + etiologic agent of UTI causing alkaline urine
Proteus
144
Iridescent metallic sheen on EMB Spot indole + MUG + Frequent cause of UTI
E coli
145
``` Pinkish mucoid colonies Non motile Citrate + Lysine decarboxylase + cause of pneumonia ```
Kliebsiella pneumoniae
146
MCC UTI overall
E coli
147
E coli subtype that causes diarrhea in infants esp in nurseries and day care centers
E-P-EC
148
E coli subtype that causes traveller's diarrhea
E-T-EC
149
E coli subtype causing HUS, hemorrhagic colitis
E-H-EC | Shiga toxin producing E coli
150
Virulence factor associated with strains if E coli causing meningitis
K-1 antigen
151
DOC for bacillary dysentery/shigella
Ciprofloxacin
152
MC manifestation of salmonella infections
Enterocolitis
153
Gold standard for Dx of typhoid fever
BM culture
154
Hemorrhagic necrosis of the skin often caused by P aeruginosa sepsis
Ecthyma gangrenosum
155
Sudden onset of n/v and rice watery voluminous diarrhea
Cholera
156
Antibiotic given to reduce stool output and shedding of Vibrios
Tetracycline or | Doxycycline
157
Following infection of this organism, there is an associated incidence ofGuillain Barre syndrome and Reiter's Syndrome
Campylobacter jejuni
158
Preferred tx regimen for H pylori
Omeprazole Clarithromycin Amoxicillin
159
Term used to describe the fact that H influenze does NOT grow on sheep blood agar except around colonies of S aureus
Satellite phenomenon
160
Factors needed for H influenze
``` Factor X (hemin) Factor V (NAD) ```
161
Specific capsular structure of H influenzae
Poly-ribitol Ribose Phosphate
162
Major virulence factor of H influenzae
Capsule
163
Causative agent of epiglottitis
H influenzae
164
Etiologic agent of soft chancre of chancroid with ragged ulcer with marked swelling and tenderness of LN
H ducreyi
165
Toxins with APD ribosylating activities increasing cAMP activity
Pertussis | Cholera toxins
166
DOC for bordetella pertussis
Erythromycin
167
Vaginal discharge | Smear shows intracellular G - diplococci and PMNs
N gonorrhea
168
Neisseria spp utilizing both glucose and maltose
N meningitidis
169
Toxicity of gonococcal infections are largely attributed to the endotoxic effect of this cell wall component
LOS | Lipo-oligo-saccharide
170
``` Young adult with high risk sexual activity Severe infection Fever Abdominal pain Hemorrhagic papules and pustules Septic arthritis ```
Disseminated gonococcal infection
171
Infection prevented by instituion of Crede's Prophylaxis
Ophthalmia neonatorum
172
Agent used in Crede's prophylaxis
Silver nitrate
173
DOC gonorrhea
IM ceftriaxone | Oral cefixime
174
Given concomitantly with tx of gonorrhea to cover for chlamydia
Azithromycin
175
Portal of entry and site of colonization for N meningitidis
Nasophyarnx
176
MC complication of meningococcemia
Meningitis
177
DOC for meningococcal disease
Pen G
178
MC isolated rapidly growing mycobacteria from pulmonary, skin and soft tissue infections
Mycobacterium abscessus
179
Virulence factor of mycobacteria inhibiting migration of leukocytes and causing chronic granulomas
Cord factor
180
Virulence factor of mycobacteria that prevents phagolysosome fusion
Sulfatide
181
Tuberculosis usually found in the apical segments of the lung
Reactivation or secondary TB
182
Dx test used to detect latent TB in patients with equivocal TST
IGRA interferon gamma release assay
183
Mycobacterium classification that produces pigment in light and NOT dark conditions
Photochromogen
184
MDR resistance of TB referes to resistance to which drugs
INH | Rifampicin
185
XDR resistance of TB refers to
``` INH Rifampicin Quinolone 1 of 3 injectable - Amikacin - Capreomycin - Kanamycin ```
186
MC extracellular form of TB infection
TB lymphadenitis
187
Photochromogen almost indistinguishable in presentation from TB
M kansasii
188
Mycobacterium other than TB involved in opportunistic infections of the lung in patients with AIDS
MAC
189
Mycobacterium causing skin nodules, neuritis, paresthesias, madarosis, disfigurement
M leprae
190
Dse with painLESS genital ulcer with clear hard base
Syphilis
191
Stage of syphilis with condylomata lata
Secondary syphilis
192
Refers to granulomatous lesion in the skin, bones and liver in tertiary syphilis
Gumma
193
All of the ff symptoms/signs are manifestations of congenital syphilis EXCEPT - Interstitial keratitis - Hutchinson's teeth - Saddle nose - Saber shins - PDA
PDA
194
Non-treponemal tests used for screening for syphilis EXCEPT - RPR - USR - VDRL - Trust - TP-PA
TP-PA
195
All of the specific treponemal tests EXCEPT - TP PA - TP HA - MHA-TP - FTA- ABS - None of the above
None
196
DOC syphilis
Penicillin
197
Fever Tachycardia Flu like SSx after initiating treatment for syphilis
Jarisch Herxheimer Reaction
198
``` Jaundice Fever Conjunctival suffusion Calf pain Renal failure After exposure to organisms through breaks in the skin ```
Leptospirosis
199
DOC for leptospirosis
Penicillin
200
Refers to the environmentally stable infective particle of chlamydia
Elementary body
201
MCC of non-gonococcal urethritis
Chlamydia
202
Eary childhood onset of lacrimation, mucupurulent eye discharge, hyperemia, pannus and entropion formation
Trachoma
203
DxOC for chlamydia
NAAT
204
STI with suppurative inguinal adenitis in chlamydial infection
Lympho-granuloa venereum
205
What is the trigger for DIC - Hageman factor - Factor 5 - Factor 7 - Gram - sepsis
G - sepsis
206
All are obligate aerobic bacteria except - Nocardia - Pseudomonas - Mycobacterium TB - Actinomyces
Actinomyces
207
Causes of native valve endocarditis, esp in IV drug users
S aureus
208
Causative agent implicated in bacterial vaginosis
Gardernella vaginalis
209
MCC of meningitis overall
S pneumoniae
210
MCC nosocomial UTI
E coli
211
MCC neonatal meningitis
Group B streptococci
212
Chlamydia prophylaxis given in pregnany mothers to prevent pneumonia newborns
Azithromycin | Amoxicillin
213
Fulminant menigococcemia leading to hemorrage of adrenal grands
Waterhouse Friederichsen syndrome
214
``` CSF increased Protein 77 Normal glucose 100 WBC w/neutrophil prodominance Culture - Gram stain - ```
Aseptic meningitis
215
Duration of treatment for extra-pulmonary TB
6 months CNS 9-12 months
216
DOC leptospirosis prophylaxis
Doxycycline
217
DOC H influenzae meningitis
Ceftriaxone
218
Special lipids in the mycobacterial cell wall responsivle for acid fastness
Mycolitic acid
219
aka Gram negative ENDO-toxin
Lipo-poly-saccharide | LPS
220
Bacteria w/no cell wall where penicillins are ineffective
Mycoplasma
221
All of the ff organisms do NOT stain well w/gram stain EXCEPT - Trponema - Mycoplasma - Legionella - Dickettsia - Chlamydia - Haemophilus
Haemophilus stains well on GS
222
All are Catalase + EXCEPT - Pseudomonas - S aueres - Listeria - Aspergillus - Candida - Serratia - E coli - Streptococci
Streptococci
223
Virulence factor of S aureus that prevents opsonization
Protein A
224
Organisms the secrete IgA protease
S pneumo HiB Neisseriae
225
Organisms that secretes ALPHA toxin acting as lecithinase degrading tissue and cell membranes
C perfringens
226
Only gram + organism that produces LPS
Listeria
227
Oxidase + Comma shaped Grow in 42 C Diarrhea
Campylobacter jejuni
228
Causes lobar pneumonia among alcoholics with currant jelly sputum
Kliebsiella pneumonia
229
Severe form of Leptospirosis with liver and kidney failure, pulmonary hemorrhage
Weil's disease
230
All of the ff organisms cause STI EXCEPT - Gardnerella vaginalis - Trichomonas vaginalis - Treponema pallidum - H ducreyi
Bacterial vaginosis is NOT sexually transmitted
231
Convential infection triad - Chorioretinitis - Hydrocephalus - Intra cranial calcifications
Toxoplasmosis
232
Congenital infection causing PDA, cataract, deafness, and blueberry muffin rash
Rubella aka GERMAN 3 day measles if w/seizures + petechial rash, consider CMV
233
Congenital infection causing hearing loss, seizures, petechial rash, blueberry muffin rash
CMV if w/o seizures, consider Rubella/German 3 day measles
234
All are live attenuated vaccines EXCEPT - Smallpox - Yellow fever - Chicken pox - Sabin polio - MMR - Intranasal influenza - Hep B
Hep B
235
All RNA viruses are SINGLE stranded except
Reo-viridae
236
All of the ff are POSITIVE ss RNA viruses EXCEPT - Retro - Toga - Flavi - Corona - Hep E - Calici - Picorna - Orthomyxo
Orthomyxo
237
All of the ff are DNA viruses EXCEPT - Hepadna - Herpes - Filoviridae - Pox - Papilloma - Polyoma - Adenovirus
Filo-viridae
238
All DNA viruses are DOUBLE stranded EXCEPT
Parvo-virus
239
All negative sense RNA viruses are enveloped + helical EXCEPT
Corona-virus - Positive sense - Helical - Enveloped
240
All DNA viruses replicate in the nucleus EXCEPT
Pox
241
All RNA viruses replicated in the cytoplasm EXCEPT
Influenza | Retro
242
All DNA viruses are icosahedral EXCEPT
Pox
243
All DNA viruses are enveloped EXCEPT
Picorna Calici Reo Hepe
244
Which of the ff is a negative sense RNA enveloped helical virus - Herpes - Rhabdo - Caliciviridae - Papilloma
Rhabdo
245
Causes 5th disease aka | Erythema infectiosum w slapped cheeks appearance
Parvo B19
246
Causes - Pharyngoconjunctival fever, - Epidemic keratoconjunctivitis - Hemorrhagic cystitis
Adeno virus
247
Agent for Roseola infantum aka exanthem subitum
HHV 6
248
Contains reverse transcriptase | NOT a retrovirus
Heb B virus
249
Progressive multifocal leuko-encephalopathy in AIDS patients is probably d/t
JC virus
250
Heterophile monospot negative Infectious mononucleosis retinitis Owl's eye inclusions aka HHV 5
CMV
251
Infectious mononucleosis Burkitt's Lymphoma Hodgkin's lymphoma HHV 4
EBV
252
Smear or test of skin vesicle to detect multinucleated giant cells in HERPES
Tzanck smear
253
Reoviridae virus w/ double stranded RNA virus | Major causative agent of infectious diarrhea in children
Rota-virus
254
ff are members of Picornaviridae family - Polio - Echo - Rhino - Cocksackie - Hep A - Hep E
Hep E
255
Members of paramyxoviridae - Rubella - Parainfluenza - Mumps - RSV - Roseola
Rubella
256
Causes Croup or Laryngo-tracheo-bronchitis among children
Parainfluenza virus
257
MCC common cold | Acid labile viruses
Rhinovirus
258
All are segmented viruses EXCEPT - Adenovirus - Bunyavirus - Orthovirus - arena - Reo
Adeno
259
Component of influenza virus promoting viral entry
Hemagluttinin
260
Component of influenza virus involved with progeny viral release
Neuraminidase
261
Fever, post auricular lymphadenopathy, arthralgias, Fine maculopapular rash - Face --> trunk --> extremities
Rubella
262
``` Cough Conjunctivitis Runny nose Maculopapular rash (diffuse) Koplik's spots ```
Rubeola | aka MEASLES
263
Parotitis Orchitis Aseptic meningitis
Mumps
264
Only Hep B serological marker POSITIVE during window period
IgM Anti HBC
265
Hep B antigen indicating HIGH replicative activity and risk for transmission
HBe antigen
266
HIV protein for attachment to CD4 lymphocytes
Gp 120
267
HIV protein for fusion and entry into cells
GP 41
268
Used to monitor the effect of anti-retroviral therapy and associated with poorer prognosis if elevated in HIV/AIDS
HIV PCR viral load
269
CD4 count level which PCP prophylaxis should be initiated in AIDS
CD4
270
Opportunistic dse to watch out for specifically as the CD4 count goes down to less than 50 in AIDS
MAC CMV Cryptococcus neoformans
271
Virus implicated in viral myocarditis
Cocksachie B virus
272
Plant pathogens or blotches in fruits consisting of RNA which do NOT cause human dse
Viroids
273
Viral Hemorrhagic fever is cause by (3)
Ebola Marburg Dengue
274
Hepatitis implicated to cause - Hepatocellular Ca, - Cirrhosis and - Chronic carrier state
Heb B
275
Transplacental transmission EXCEPT - Rubella - CMV - HSV - VZV - Toxoplasma
Toxoplasma
276
Contraindicated vaccines for pregnant pts - Hep B - Tetanus - MMR - Influenza
MMR
277
All systemic mycoses are caused by Di-morphic fungi EXCEPT
Coccidioidomyosis
278
Systemic fungal infection causing - Inflammatory lung dse - with skin and bone involvement, - broad based budding under microscopy
Blastomycosis
279
Systemic mycosis with Captain's/Mariner's Wheel
Paracoccidioido mycosis
280
Causative agent of Tinea versicolor with spaghetti and meatballs presentation microscopically
Malasszia furfur
281
Soap bubble lesions in the brain, Meningitis in HIB, India ink +
Crytococcal meningitis
282
Infection of the hair with this species causes a greenish fluorescence under wood's light
Microsporum (ECTO-thrix)
283
MC severe complication of measles
Secondary pneumonia
284
MC complication of measles
Otitis media
285
Long term complication of measles caused by measles reactivation in the CNS, leading to demylination and myoclonic seizures
SSPE
286
Hepatitis viruses transmitted via the fecal oral route
Hep A | Hep E
287
Most important cause of epidemic viral gastroenteritis in ADULTS
Noro-virus | Norwalk virus
288
Leading cause of viral encephalitis in ASIA
Japanese B encephalitis