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Test your basic knowledge |
Microbiology
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Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Insects - parasitic worms - etc
mycology
animal kingdom
KS from HHS-8 - invasive cervical caricoma from HPV - and primary CNS lymphoma - non - Hodgkin's lymphoma
Coxsackie A - rocky mountain spotted fever and syphillis (CARS)
2. rubella - lots of spots
Togavirus - german 3 day measles
Capsid protein
Specialized transduction - an excision event
Clostridium - cornybacterium - bacillus - listeria - mycobacterium (acid fast)
3. What is the presentation of EPEC and What is the mechanism
Lepromatous - diffusely over skin and is communicalbe (immunoCised) tuberculoid limited to a few hypoesthetic skin nodules (immunoCtent
Children
Chlamydia trachomatis
Diarrhea in children - no toxin - adheres to apical surface - flattens villi - prevents absorption
4. Where do RNA viruses replicate
Cleaves host cell rRNA (inactivates 60S ribosome) - also enhances cytokine release causing HUS - shigella and E. Coli 0157:H7
Cytoplasm - except influenza and retroviruses
Gambiense - rhodesiense
TB granulomas (Ghon focus + lobar and perihilary lymph node involvment) - primary infection or exposure
5. What diseases can HSV 1 cause and What is the route of transmission
five kingdoms of microorganisms
Trichamonas vaginalis - trichomoniasis
Gingivostomatitis - keratoconjunctivitis - temporal lobe encephalitis - herpes labialis - respiratory secretions - saliva
food industry
6. Which bacteria are alpha hemolytic
Pseudomonas
chlamydia
Strep pneumo and viridans
Toxic shock syndrome (TSST-1) - scalded skin syndrome (exfoliative toxin) - rapid onste fod poisoning (enterotoxin
7. Which are the RNA enveloped viruses
Francisella tularenis
Fungi proliferate in blood vessel walls when there is excess ketone and glucose - penetrate cribiform plate - and enter
eukaryotes
Influenza virus - parainfluenza virus - RSV - measles virus - mumps virus - rubella virus - rabies virus - HTLV - HIV
8. How do pneumocystis appear microscopically
Saucer shaped yeast forms
ADP- R AB toxin: heat labile - stimulates adenylate cylcase - heat stable toxin stimulates guanylate cyclase - both cause watery diarrhea
Yersinia enterocolitica
Campylobacter
9. What species producing watery diarrhea also produces gas gangrene
Oral and esophageal thrush
gram- negative stain - color
Taenia solium - ingestion of eggs - bendazole
C. perfringens
10. Mycology - bacteriology - virology - algology - protozoology
Bulls eye rash - flulike symptoms
Epiglottitis H flu type B
ADP- R AB toxin: inc cAMP by inhibiting Galpha1 - causes whooping cough - inhibits chemokine receptor - causing lymphocytosis
five fields of microbiology
11. When 1 of 2 viruses that infects the cell has a mutation that results in nonfxnal protein - What is called when the nonmutated makes a fxnal protein that serves both viruses
protozoology
Shingles/chickenpox - encephalitis - pneumonia - respiratory secretions
Complementationthis occurs with simultaneous infection of a cell with 2 viruses - genome of virus A can be partially or completely coated forming a pseudovirion with the surface protein of of virus B
Comma shaped - oxidase positive - grows in alkaline media
12. What is the pathophys of mucor
actinomycetes (3) - description
double- stranded DNA
CMV retinitis
Fungi proliferate in blood vessel walls when there is excess ketone and glucose - penetrate cribiform plate - and enter
13. Pink
arrangements - staphylo
osmotic pressure
H. pylori
gram- negative stain - color
14. What does accumulation of PrPsc result in
Spongiform encephalopathy and dementia - ataxia and death.
Hepadna - herpes - adeno - pox - parvo - papilloma - polyoma
mycoplasma (5) - description
dormant
15. Ribosomes - chromosomes - plasmid - cytoplasm
Superantigen that binds MHCH II and T cell receptor resulting in poly colonal T cell activation
Treponema - primary syphillis
in prokaryotic cell membranes -
Aerosal and causes pneumonia
16. What is the treatment for meningitis from H flue
Ceftriaxone - rifampin for close contacts
exceptions to Koch's Postulates 1
Clostridium botulinum
Measles rubeola - measles
17. What other organism is involved in vaginosis from gardnerella
Malignant otitis externa
Transformation or competence
Mobiluncus - an anaerobe
Alpha toxin (lecithinase) that can cause myonecrosis (gas gangrene) and hemolysis
18. In who do you see meningitis from h flu type b
SNAP - sulfa for nocardia and actinomyces get pen
Unimmunised kids
Surface protein - lipid bilayer - capsid - nucleic acid
CXCR4 on CD4 cells - CCR5 on CD4 and MACS - homozygous CCRF mutation confer immunity - CCR5 heterozygoes have slower course
19. Hypothesis that living organisms arise from preexisting life (what we know is true)
Space between cytoplasmic membrane and peptidoglycan wall in gram neg bacteria contains many hydrolytic enzymes - including beta lactamases
biogenesis
single- stranded RNA
Pseudomonas
20. painless chancre - org and dz
trichomoniasis...
Tapeworm larvae (intestinal infection) in pork or eggs (neurocystircercosis) in food/water contaminated with human feces
Wound and burn infectinos - Pneumonia in CF - sepsis - external otitis (swimmer's ear) - UTI - drug use and diabetic osteomyelitis and hot tub follculitis
Treponema - primary syphillis
21. What is the fxn and chemical composition of bacterial flagellum
osmotic lysis
penetration (AV)
Pyelonephritis - fever - chills flank pain - CVA tenderness - hematuria and WBC casts
Motility - protein
22. A semipermeable phospholipid bilayer containing proteins - carbohydrates - and sterols
viruses
many humans would test antibody positive for this
cell membrane - definition
Water source - endotoxin causing fever and shock - exotoxin A (inactivates EF-2)
23. Which bacteria is an important cause of subacute endocarditis and bacteremia in colon cancer patients
E. Coli produces beta galactosidase
aerobic
Enterobacter cloacae
Strep bovis - also group D
24. Adsorption - penetration - uncoating - replication - assembly - release
infection process of animal viruses (6)
Mycobacterium TB (Pott's dz)
fungi kingdom
algology
25. Microbes (yeast) are responsible for fermentation
production of beer and wine
Strep bovis - also group D
trichomoniasis...
HBV from needle stick
26. With staph grown on novobiocin - Which is resistant and Which is sensitive
cilia - function
arrangements - diplo
60%; viruses
Saprohyticus resistant - epidermidis is sensitive - NO StRES
27. Must be able to re- isolate organism from test host
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28. SIV does not infect humans - HIV does
Staph - enteric GNR - fungi - viruses - pneumocystis in HIV
Cmv
virus example
red tide
29. Which bacteris do not gram stain well because there is no cell wall
CMV retinitis and esophagitis - disseminated M avium intracellulare - cryptococcal meningoencephalitis
Mycoplasma
Strep pneumo - n. meningiditis - h flu type b - enterovirus
Tinea pedis - cruris - corporis - capitis - dermatophytes: microsporum - trichophyton - epidermophyton
30. What bugs are obligate intracellulars and why
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31. Which are the DNA nucleocapsid viruses
C. diptheriae
Burn wounds - nosocomial pneumonia - pneumonias in cystic fibrosis
Adenovirus - papilloviruses - parvovirus
medical important mycobacteria
32. What OI/disease occurs in the brain of AIDS pts
Cryptococcal meningitis - toxoplasmosis - CMV encelphalopathy - AIDS dementia - PML from JC virus
Parvoviridae
Weil Felix test
JC virus causing PML
33. All living things are composed of cells
Acid fast organisms
Cell Theory
mycology
Roseola - high fevers for several days that can cause seizures - followed by a macular papular rash - not determined
34. What are the two poliovirus vaccines
LCMV - lymphocytic choriomeningitis virus - Lassa fever encephalitis - spread by mice
IVDU
Mycoplasma
Salk/sabin - IPV/OPV respectively
35. What does vibrio cholerae do to Gs
Pox - carries own DNA dependent RNA polymerase
amoebic dynsentry
Toxin permanently activates causing rice water diarrhea via induction of cAMP - turns the on on
Leptospria - borrelia - treponema
36. Unimmunized child with a rash beginning at head and moving down - preceded by cough coryza and conjunctivitis and blue white spots on buccal mucosa
M. avium intracellulare
Pregnant women
Ancylostoma duodenale - necator americanus - larvae penetrate skin of feet - bendazoles or pyrantel pamoate
Measles
37. pruritic lesions with central clearing resembling ring - dz and organism
Strep pyogenes and scarlet fever
Lepromatous - diffusely over skin and is communicalbe (immunoCised) tuberculoid limited to a few hypoesthetic skin nodules (immunoCtent
S. aureus
Tinea pedis - cruris - corporis - capitis - dermatophytes: microsporum - trichophyton - epidermophyton
38. Require high salt concentrations
Aminoglycosides - require O2 to enter bacterial cell - nl found in GI tract
S. pneumo - klebsiella - staph
halophiles
Severe pneumonia
39. Host cell usually lyses - lysozyme produced
Rickettsiae - chlamydia (Giemsa)
release (B)
HBV (antigen = recombinant HBsAg) HPV (6 - 11 -16 -18)
Pos leukocyte esterase test = bacterial UTI - pos nitrate test = gram neg bacterial UTI - except S. saprophyticus
40. Paramecium
Enterohemorrhagic E. Coli
fungi kingdom
Pneumocystis jerovici PNA - TB - histoplasmosis
cilia
41. In the bunyavirus family which are arboviruses and which are not
flagella - function
California encephalitis - sandfly/Rift Valley fevers - crimean - congo hemorrhagic fever Not - hantavirus causing hemorrhagic fever pneumonia
S. aureus
archaea domain
42. What Abx does the gram neg outer membance inhbit entry of - but which derivatives of that same class might they be sensitive to...
Motility - protein
Protein synthesis - 30S and 50S subunits
Pen G and vanc - may be sens to ampicillin
Gardnerella vaginalis
43. What cell wall structures are found only in gram pos bacteria
Staph saprophyticus
S. aureus
S. epidermidis
Teichoic acid
44. What shape are s pneumo - do they have a capsule and what protease do they have
Clonorchis sinensis - undercooked fish - cholangiocarcinoma - praziquantel
Chronic - cirrhosis - carcinoma - carriers
Pasteurella multocida
Lancet shaped - encapsulate - IgA protease
45. What is the process of replication for HBV and are there carriers
vaginal yeast infections can be caused by this
Dimorphic: yeast with pseudohyphae in culture at 20C - germ tube formation at 37C (diagnostic)
Yes carriers - celullar RNA poly transcribes RNA from DNA template - reverse transcriptase transcribes DAN genome from RNA intermediate - virion enzyme is DNA dependent DNA poly
monera kingdom
46. What organisms do Giemsa stain pick up
Borrelia - plasmodium - tryapanosomes - chlamydia
E. Coli produces beta galactosidase
Salk/sabin - IPV/OPV respectively
Cryptosporidium - cysts in water - cysts on acid - fast stain - prevention (clean water) no tx
47. dog or cat bite
Pasteurella multocida
RNA flavivirus - transmitted primarily via blood and resembles HBV in its course and severity
gram- positive stain - explanation
Chronic - cirrhosis - carcinoma - carriers
48. What shape are campylobacter and What are the lab findings
Comma shaped - s - shaped - oxidase positive - grows at 42 C
pili - function
Lancet shaped - encapsulate - IgA protease
Protozoan - a TORCH infection
49. What diseases can HHV-8 cause and What is the route of transmission
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50. What does group B strep cause
Severe pneumonia
Histoplasmosis - mississippi and ohio river valley
plant kingdom
Pneumonia - meningitis - sepsis in babies
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