SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Microbiology
Start Test
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. Giardia lamblia - attaches to the intestinal cell wall via a sucker disk - causes severe diarrhea - is shed in the feces of wil animals
Gardnerella vaginialis and bacterial vaginosis
Pen
Animal - except typhi - only in humans
giardia
2. fever - hemolytic anemia - northeastern US - maltese cross (and ring) - dz - transmission - dx and tx
Often secondary to Abx use - diagnosed by detection of one or both toxins in the stool
Babesiosis - ixodes - blood smear - quinine and clindamycin
Lepromatous
Transcribe negative strand to positive - RNA dependent RNA polymerase
3. In which population do paramyxovirus cause disease and What do they cause
Fungi
Antigen in urine
Children; parainfluenza (croup seal like barking cough) - mumps - measles and RSV (bronchiolitis - PNA) in infants
simple staining of bacteria
4. What kind of exotoxin does corneybacterium have and What does it do
Edema factor - part of the toxin complex - is an adenylate cyclase
ADP- R AB toxin - inactivates EF-2; causes pharyngitis and pseudomembrane in the throat (similar to pseudomonas exotoxin A)
Shingles/chickenpox - encephalitis - pneumonia - respiratory secretions
red algae make
5. Mycoplasma pneumoniae is the only bacterial membrane containing what substance
Cholesterol
cytoplasm - definition
smooth ER
Ceftriaxone - rifampin for close contacts
6. How do you treat actinomyces or nocardia
Fever diarrhea - headache - rose spots on abdomen
SNAP - sulfa for nocardia and actinomyces get pen
what envelope contains
Immediately upon exposure
7. Intestinal flora that causes lobar pneumonia in alcoholics and diabetics when aspirated
Klebsiella
S. pneumo - H. flu type b - Neisseira - SHiN - IgA protease cleaves IgA
helical shape - definition
Herpes genitalis - neonatal herpes - sexual contact - perinatal
8. Blue
Red spots with blue/white center on buccal mucosa - rash presents last - spreads from head to toe and includes hands and feet (vs. truncal rash in rubella)
Actic polymerization
Traveler's diarrhea - labile toxin/stable toxin - no inflammatino or invasion
not acid- fast - colo
9. What components make up the naked icosahedral viral structure
Pasteurella multocida
HPV - warts (1 - 2 - 6 - 11) - CIN - cervical cancer (16 - 18) vaccine available
staining of bacteria
Nucelocapsid - nucleic acid
10. Meningitis in newbord (0 - 6 months)
animal kingdom
Yes
Echinococcus granulosus - ingested eggs in dogs feces - surgeons inject ethanol before removal to kill daughter cysts - bendazoles
Group B strep - E. coli - listeria
11. Require intracellular parasite/has to be within a host cell to replicate (prokaryotic); Rocky Mountain Spotted Fever
Travels retrograde fashion up nerve axons
Lazzaro Spallanzani
rickettsia
Salpingitis
12. What shape are campylobacter and What are the lab findings
cilia - function
Toxocara canis - food contaminated with eggs - diethylcarbamazine
Antiphagocytic virulence factor
Comma shaped - s - shaped - oxidase positive - grows at 42 C
13. What virus is in the rhabdovirus family
Schistosoma mansori
JC virus causing PML
Rabies
Inhalation of spores from contaminated wool
14. Dimorphic fungus that lives on vegetation - traumatically introduced into the skin causes local pustule or ulcer with nodules along draining lymphatics - little systemic illness
Sporothrix schenckii
Bacterial superinfection
Comma shaped - s - shaped - oxidase positive - grows at 42 C
Sporadic - Creutzfeldt Jakob disease - rapidly progressive dementia; inheritid - Gerstmann - Straussler - Scheinker syndrome; or acquired (kuru)
15. With strep grown on bacitracin - which are sensitive and which are resistant
<30 - military - prisons
endospores
Group B are resistant - group A are sensitive - B- BRAS
CAMP factor enlarges area of hemolysis formed by S. aureus
16. What are the symptoms of mumps
Parotis - orchitis and aseptic meningitis
Gallbladder
Clostridium tetani
methanogens
17. What is the process of replication for HBV and are there carriers
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
John Needham - experiment
C. botulinum
N. gonorrhea - vancomycin (inhibits gram pos) polymyxin (inhibits gram neg) - nystatin (inhibits fungi)
18. PNA in adults 18yrs to 40yrs
Mycoplasma - C. pneumo and S pneumo
Facultative intracellular microbe - ingestion of unpasteureized milk/cheese and deli meats or by vaginal transmission - forms actin rockets - cell to cell movements and tumbling motility
Specialized transduction - an excision event
special staining of bacteria
19. What are the gram pos coccus (genus)
eukaryotic organelles - definition
Negative
Streptococcus - staphylococus
Dipicolinic acid
20. Came up with the Endosymbiotic Theory
Mucor or rhizopus
capsid is composed of...
ADP ribosylation of G protein stimulates adenylyl cyclase - inc Cl - secretion into gut and dec Na absorption - H20 into gut lumen - voluminous rice water diarrhea
Lynn Margulis - gen. information
21. Golgi complex - mitochondria - chloroplasts* - endoplasmic reticulum - nucleus
Parainfluenza - croup - RSV - bronchiloitis in babies - Rx - ribavirin - Rubeola (Measles) Mumps
Lynn Margulis - gen. information
Specialized transduction - an excision event
eukaryotic organelles (5)
22. Prevents osmotic lysis (cell bursting)
Trichomonas - sexual - motile trophozoites on wet mount - metronidazole
cell wall - function
15-20 - atypical lymphocytes
release (B)
23. What cell wall structures are common to both gram pos and gram neg bacteria
Alpha toxin (lecithinase) that can cause myonecrosis (gas gangrene) and hemolysis
Shigella
Flagellum - pilus - capsule - peptidoglycan - cytoplasmic membrane
Saucer shaped yeast forms
24. What serum makers are present in acute HBV
HBsAg - HBeAg - IgM - Anti - HBcAg
Antiphagocytic virulence factor
Antigen in vaccines
Lactose fermeting enterics - citrobacter - klebsiella - E. coli - enterobacter - serratia
25. Grow in very hot conditions
plasmolysis
hyperthermophiles
Meningococci
Salpingitis - endometritis - hydrosalpinx - tubo - ovarian abscess; can lead to Fitz - High - Curtis sydnrome - infectino of liver capsule and violin string adhesions of parietal peritoneum to liver
26. Problem with food preservation - canning
botulism
S. aureus
Cleaves host cell rRNA (inactivates 60S ribosome) - also enhances cytokine release causing HUS - shigella and E. Coli 0157:H7
Yellow fever - dengue - st. louis encephalitis - west nile virus - HCV not
27. In the chlamydiae replication cycle - what undergoes binary fission and where
gram- positive cell wall
EBV
Doxycycline
Reticulte body - in cytoplast of host
28. What is the nl flora in the nose
S. epidermidis; colonized by S. aureus
Group B strep - E. coli - listeria
Transformation or competence
Flagellum - pilus - capsule - peptidoglycan - cytoplasmic membrane
29. macular rash over the body appears after several days of high fever - usually affects infants - agent and dz
HHV 6 - roseola
Klebsiella pneumo
Nocardia - pseudomonas - m. tuberculosis - bacillus - nagging pests must breathe
Toxic shock syndrome (TSST-1) - scalded skin syndrome (exfoliative toxin) - rapid onste fod poisoning (enterotoxin
30. Why are chlamydiae obligate intracellular
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
31. Why aren't myccolasma seen on gram stain
Rapid cell division
No cell wall
Anti - HBsAb - Anti - HBeAb - Anti - HBcAb
Papilloma - polyoma (circular - supercoiled) and hepadna (circular incomplete)
32. What Oi/disease occurs on the genitals of AIDS pts
Genital herpes - warts - cervical cancer from HPV
Only borrelia
Nl/inc - inc lymphos - nl - inc - nl
Eastern equine virus - wesetern equine virus - rubella not
33. Describe the rabies virus
Accommodate but does not react - associated with tertiary syphillis
Bullet shaped capsid - long incubation period before sx onset
Ferver - night sweats - weight loss - hemoptysis - can be drug resistant
Infectious = most of dsDNA (not pox/HBV) (+) strand ssRNA (same as mRNA); non infecitious = (-) ssRNA - dsRNA
34. What happens in stage 3 of lyme disease
acid- fast - color
Azithromycin
Chronic monoarthritis and migratory polyarthritis
Francesco Redi
35. What feature of influenza can lead to worldwide pandemics of flu
8 segments of neg stranded RNA undergo high frequency recombinatino via reassortment
Enterobius
VDRL screens and FTA- ABS
When nutriets are limited
36. gummas - tabes dorsalis - general paresis - aortisis - argyll robertson pupils - org and dz
Dracunculus medinensis - in drinking water - niridazole
Herpes genitalis - neonatal herpes - sexual contact - perinatal
Treponema - tertiary syphillis
prokaryotes
37. What kind of immunity to killed/inactivated viral vaccines induce - and What is the benefit
Anton Van Leeuwenhoek
F+ plasmid can become incorportated into bacterial chromosome DNA
Only humoral - stable
S. pneumo - H. flu - Anaerobes - viruses - mycoplasma
38. intestinal nematode can cause anemia by sucking blood from the intestinal walls - orgs - transmission - tx
Sterility
Trypanosoma bruceii - tsetse fly (painful bite) - blood smear - suramin for blood borne - melarsoprol for CNS infxn
Toxo crosses the placenta
Ancylostoma duodenale - necator americanus - larvae penetrate skin of feet - bendazoles or pyrantel pamoate
39. usage of which Abx can lead to c diff.
Sporadic - Creutzfeldt Jakob disease - rapidly progressive dementia; inheritid - Gerstmann - Straussler - Scheinker syndrome; or acquired (kuru)
chromosome - function
Clindamycin or ampicillin
Clostridium perfringens
40. What virulence factor binds Fc region of Ig - prevents opsonization and phagocytosis and what bug has it
Paragonimus westermani
Protein A - S. aureus
Antiphagocytic virulence factor
S. pneumo - Influenza virus - anaerobies - H flu - GNR
41. In who does HEV have high mortality
Dapsone - hemolysis and methemoglobinemia or rifampin and combination clofazimine + dapsone
Pregnant women
peptidoglycan - definition
N. gonorrhea - vancomycin (inhibits gram pos) polymyxin (inhibits gram neg) - nystatin (inhibits fungi)
42. Bacteria and cyanobacteria (prokaryotes)
monera kingdom
EBV
Borrelia recurrentis
Protein synthesis - 30S and 50S subunits
43. Retinitis in HIV pos pts with cotton wool spots on fundoscopic exam
Wound and burn infectinos - Pneumonia in CF - sepsis - external otitis (swimmer's ear) - UTI - drug use and diabetic osteomyelitis and hot tub follculitis
Ebolo/marburg - hemorrhagic fever - often fatal
10 to 12
CMV
44. Cell is in a hypertonic solution and cytoplasm shrinks
species
germination
Naegleria fowleri - freshwater lakes through cribiform plate - amoebas in spinal fluid - amphotericin for survivors
plasmolysis
45. which mycobacterium is also pulmonary with TB- like symptoms and not M. tuberculosis
M. kansasii
Does not ferment sorbitol
Prior HAV infection - protects against reinfection
Azithromycin
46. Where doe HSV1 cells remain latent
Contains a variety genes for antibiotic resistance - enzymes and toxins; DNA
Trigeminal ganglia
Pseudomonas
Heavily encapsulate yeast - not dimorphic culture on saboouraud's agar - india ink stain - found in soil pigeon droppings - latex agglutination test detects polysaccharide capsular antigen
47. What organisms do Giemsa stain pick up
Neisseria
Nonspecific antibody test that reacts with beef cardiolipin - used for screening of syphillis but many biologic false pos including viral infection (mono or hepatitis) some drugs - rheumatic fever - SLE and leprosy (V=viruses - D =drugs R = rheum fev
Borrelia - plasmodium - tryapanosomes - chlamydia
CMV - sexual contact - organ transplants
48. How is treponema visualized
Cryptosporidium - mycobacterium avium - intracellulare - CMV colitis - non Hodgkin lymphoma from EBV - Isospora belli
ELISA test is sensitive but high false pos rates and low threshold - RULE OUT test - pos test are confirmed with western blot - High false neg - high threshold
Dark field microscopy
Retrovirus - togavirus - flavivirus - coronavirus - hepevirus - calicivirus - picornavirus
49. Respiratory therapy equipment is risk factor For what nosocomial infection
what many pathogenic fungi are
Tick feces and cattle placenta release spores that are inhaled as aerosols - coxiella burnetti
plant kingdom
Pseudomonas
50. B12 def - parasite
ADP- R AB toxin - inactivates EF-2; causes pharyngitis and pseudomembrane in the throat (similar to pseudomonas exotoxin A)
Actinomyces isreallii
Candidal esophagitis - toxoplasmosis - histoplasmosis
Diphyllobothrium latum