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. Urinary catheterization is a risk factor For what nosocomial infection
B anthracis - anthrax - cutaneous is black eschar ulcer (painless) can progress to bacteremia or death - pulmonary anthrax is inhalation of spores producing flu - like sx that rapidly progress to fever pulmonary hemorrhage - mediastinitis and shock
E. coli - proteus
Leptospria - borrelia - treponema
Adenovirus - papilloviruses - parvovirus
2. Where does reactivation TB usually go - and What can precipitate reactivation
Pneumocystis jerovici
Apices of lung - immune system compromise - or anti - TNF alpha use
Pseudomonas
Elementary body
3. What are the recombinant vaccines
archaea domain
ASO titer
HBV (antigen = recombinant HBsAg) HPV (6 - 11 -16 -18)
Treponema palladium - painless chancre
4. interstitial PNA and biopsy reveals cells with intranuclear (owl's eye) inclusion bodies in HIV pos pt
ABC
Pox - carries own DNA dependent RNA polymerase
Cmv
Gambiense - rhodesiense
5. Osteomyelitis in sexually active people can be from
N. gonorrhoeae (rare) septic arthritis is more common
Koch's Postulates 1
taxonomic hierarchy
Pyelonephritis - fever - chills flank pain - CVA tenderness - hematuria and WBC casts
6. What is the H flu vaccine
Cryptococcal meningitis - cryptococcosis - soap bibble lesions in brain
Type B capsular polysaccharide conjugated to diptheria toxoid or other protein
bacteria domain
S. aureus
7. Which are the segmented viruses and what feature do they all share
RNA viruses - BOAR = Bunyavirus - Orthomyxovirus - Arenaviruses - Reoviruses
Antibody to HBeAg - indicates low transmissability
Nematode in undercooked meat
Parotis - orchitis and aseptic meningitis
8. What are the two forms of Hansens disease and which patients get which
HIV - AIDS
Entamoeba his - cysts in water - serology/trophozoites or cysts in stool/RBC in cytoplasm of entamoeba - metronidazole and iodquinol
Tapeworm larvae (intestinal infection) in pork or eggs (neurocystircercosis) in food/water contaminated with human feces
Lepromatous - diffusely over skin and is communicalbe (immunoCised) tuberculoid limited to a few hypoesthetic skin nodules (immunoCtent
9. What is gardnerella associated with
Sexual activity - but not an STI
Virbrio cholera
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
Interfere with host cell function - binding component binds to a receptor on surface of host cell enabling endocytosis - active portion attaches an ADP- ribosyl to a shost cell protein altering protein function
10. Clusters
arrangements - staphylo
Pseudomonas
Lower lobe
Only borrelia
11. Repeating disaccharide: NAG and NAM
Chronic monoarthritis and migratory polyarthritis
motility of bacteria
Trichamonas vaginalis - trichomoniasis
what peptidoglycan is composed of
12. What is the fever cycle for p. falciparum
Severe - daily cycles - parasitized RBCs occlude capillaries in the brain - kidneys and lungs
Viridans is resistant and pneumo is sensitive - OVRPS (overpass)
Antibody to HBeAg - indicates low transmissability
Children; parainfluenza (croup seal like barking cough) - mumps - measles and RSV (bronchiolitis - PNA) in infants
13. What are prion disease caused by
bacillus
Foul smelling (short chain fatty acids) - difficult to culture - produce gas in tissues (CO2 - H2)
Aureus does - epidermidis and group B do not
Conversion of a normal cellular protein termed prion protein (PrPc) toa beta pleated form (PrPsc) Which is transmissible - resists degradation and facilitates conversion of still more PrPc to PrPsc
14. What do lab diagnostics show for aspergillus
Catalase pos microbes - S. aureus - Nocardia - aspergillus
Mold with septate hyphae that branch at acute angles
molds
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
15. What kind of result is expected from the Weill Felix test in Q fever
Common cold and SARS
Negative
Doxycycline
arrangements of bacteria
16. What serum markers are present in Chronic Hep B with high infectivity
HBsAg - HbeAg - and IgG Anti - HBcAg
Paragonimus westermani - undercooked crab meat - praziquantel
Toxoplasmosis
histoplasmosis
17. What toxin does clostridium perfringens have and What does it do
yeast and mold stages can be dependent on _____ or ______
Enterobacter cloacae
Type B capsular polysaccharide conjugated to diptheria toxoid or other protein
Alpha toxin - a lecithinase that acta s a phospholipase to cleave cell membranes and causes a gas gangrene
18. intestinal nematode causing anal pruritis - scotch tape test - org - transmission - tx
Itraconazole or potassium iodide
Group B strep
capsid is composed of...
Enterobius verniculum (pinworm - nematode) - food contaminated with eggs - bendazoles or pyrantel pamoate
19. What are the black skin lesions in anthrax caused by
Black necrosis surrounded by edematous ring - caused by letha factor and edema factor
Staph - enteric GNR - fungi - viruses - pneumocystis in HIV
Entertoxigenic E. coli
Prior HAV infection - protects against reinfection
20. Acetone - alcohol - antibiotics
PCR/Viral load
how many degrees celsius for yeast?
chemical synthesis...
Fever - rash - shock - S aureas - TSST-1
21. What does c perfringens produce and What does it do
Blastomycosis - states east of mississippi river and central america
DNA hepadnavirus
Cell Theory
Alpha toxin (lecithinase) that can cause myonecrosis (gas gangrene) and hemolysis
22. Spherical
cell wall - function
release (B)
RNA hepevirs - transmitted enterically and causes water borne epidemics - resembles HAV in course - severity - incubation - high mortality in pregnant women
coccus
23. What does HBsAg indicate
S. aureus
Antigen found on the surface on HBV - indicates hepatitis B infection
differential staining of bacteria
Gonorrhea - septic arthritis - neonatal conjunctivitis - PID - fitz - hugh curtis
24. enveloped ssRNA with segmented genome (8)
coccus
Bacteroides fragilis > E. coli
Influenza virus
Enterobius - ascaris - trichinella
25. What species producing watery diarrhea also produces gas gangrene
C. perfringens
Rose gardner's
Trigeminal ganglia
osmotic lysis
26. Require intracellular parasite/has to be within a host cell to replicate (prokaryotic); causes trachoma (most common infectious cause of blindness in the world)
RNA hepevirs - transmitted enterically and causes water borne epidemics - resembles HAV in course - severity - incubation - high mortality in pregnant women
chlamydia
C. botulinum
Between 2 and 18 months
27. Some strains of this organism causing UTI produce red pigment - they are often nosocomial and drug resistant
coccus
Serratia marcescens
Mycoplasma - legionella - chlamydia
flagella - function
28. How is atypical rickettsiae transmitted
Yersinia enterocolitica
Actinomyces and nocardia
Vulvuvaginitis
Aerosal and causes pneumonia
29. How endospores return to metabolizing cells when environmental conditions are better (food and water present)
Haemophilus ducreyi - chancroid
protozoan infections (5)
Mononuclear cells
germination
30. What is the TX for mycoplasma pneumonia
Gingivostomatitis - keratoconjunctivitis - temporal lobe encephalitis - herpes labialis - respiratory secretions - saliva
Staph epi - normal skin flora - contaminates blood cultures
Tetracycline or erythromycin
Fever diarrhea - headache - rose spots on abdomen
31. 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
Dipoid RNA
S. pyogenes - hemolysin antigen for ASO antibody Which is used in the dx of rheumatic fever
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
Glycogen - mucopolysaccharides
32. What is the ability to take up DNA from evironment in bacteria
Brucella sp
Nucelocapsid - nucleic acid
Meningococci
Transformation or competence
33. What is the organism for rocky mountain spotted fever (tick)
flagella
Strongyloides stercoralis - larvae penetrate skin - bendazoles or ivermectin
Rickettsia rickettsii
Pregnant women
34. gram pos anaerobe - causes oral - facial abscesses that may drain through sinus tracts of skin - yellow sulfur granules - nl oral flora
Cytoplasmic inclusions seen on giemsa stain or fluorescent antibody- stained smear
Koch's Postulates 3
Campylobacter
Actinomyces israeli
35. cestode causing cysticercosis - org - transmission - tx
Gardnerella vaginalis
S pneumo - GNR - listeria
Clindamycin or ampicillin
Taenia solium - ingestion of eggs - praziquantal
36. Circular and haploid - only one per cell - no nucleus
Degradation of lipids produces acids that damage melancytes and cause hypopigmented and or hyperpigmented patches - occurs in hot humid weather
Meningitis - waterhouse friderichsen -
humans do not have
chromosome - description
37. What diseases can CMV cause and What is the route of infection
uncoating (AV)
Serratia marcescens
Congenital infection - mononucleosis with negative monospot - pneumonia - congenital - transfusion - sexual contact - saliva - urine - transplant
Common cold
38. In the chlamydiae replication cycle - what undergoes binary fission and where
Candida and aspergillus
C. diptheriae
Reticulte body - in cytoplast of host
Prior HAV infection - protects against reinfection
39. Why aren't myccolasma seen on gram stain
Common cold and SARS
No cell wall
H. flu type B - meningococcal vaccines
coccus
40. 1673 - First to see microorganisms - marked beginning of microbiology - 'animalcules' - 'father of the microscope'
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
Streptococcus - staphylococus
Babesiosis - ixodes - blood smear - quinine and clindamycin
Anton Van Leeuwenhoek
41. What is the Ghon complex
TB granulomas (Ghon focus + lobar and perihilary lymph node involvment) - primary infection or exposure
Tumbling motility - meningitis in newborns - unpasteurized milk
Tinea pedis - cruris - corporis - capitis - dermatophytes: microsporum - trichophyton - epidermophyton
Strongyloides - ancylostoma - necator
42. What components make up the enveloped icosahedral viral structure
Infectious = most of dsDNA (not pox/HBV) (+) strand ssRNA (same as mRNA); non infecitious = (-) ssRNA - dsRNA
Surface protein - lipid bilayer - capsid - nucleic acid
Posterior cervical lymph nodes
Common cold
43. Fungus grows on bird droppings - humans inhale spores which infect lungs
histoplasmosis
B anthracis - c. perfringens - c tetani (b cereus and c botulinum also form spores
E. Coli
Treponema - 2ndary syphillis
44. What are the gram pos bacilli
Enterobius - ascaris - trichinella
H flu type B
Clostridium - cornybacterium - bacillus - listeria - mycobacterium (acid fast)
Toxoplasma - cysts in meat or cat feces - serology/biopsy - sulfadiazine + pyrimethamine
45. Where do most enveloped viruses acquire their envelopes from and What are the exceptions
Koch's Postulates 2
gram- positive stain - color
Parvo - single stranded
Plasma membrane - exceptions are herpesvirus which acquire from nuclear membrane
46. What drug is used in RSV to neutralize F protein
chlamydia
Chagas dz - trypanosoma cruzi - reduviid bug - blood smear - nifurtimox
Palivizumab
Clostridium perfringens
47. What are the findings for pressure - cells type - protein and surgar in the CSF with a viral meningitis
Nl/inc - inc lymphos - nl - inc - nl
malaria prevention
candidiasis
double- stranded DNA
48. tissue nematode causing hyperpigmented skin and river blindess - allergic reaction to microfiliria - org - transmission - tx
exceptions to Koch's Postulates 2
how many degrees celsius for yeast?
Envelope proteins
Onchocerca volvulus - female blackfies - ivermectin
49. How do group B strep respond to bacitracin
S - definition
differential staining example
Proteus mirabilis
Resistant
50. what bug grows pink colonies on MacConkey's agar
Lactose fermenting enterics
spiral - vibrio
Reactivation HSV - cyrptosporidious - isospora - disseminated coccidioidomycosis - pneumocystis PNA
Mice - deer
Sorry!:) No result found.
Can you answer 50 questions in 15 minutes?
Let me suggest you:
Browse all subjects
Browse all tests
Most popular tests
Major Subjects
Tests & Exams
AP
CLEP
DSST
GRE
SAT
GMAT
Certifications
CISSP go to https://www.isc2.org/
PMP
ITIL
RHCE
MCTS
More...
IT Skills
Android Programming
Data Modeling
Objective C Programming
Basic Python Programming
Adobe Illustrator
More...
Business Skills
Advertising Techniques
Business Accounting Basics
Business Strategy
Human Resource Management
Marketing Basics
More...
Soft Skills
Body Language
People Skills
Public Speaking
Persuasion
Job Hunting And Resumes
More...
Vocabulary
GRE Vocab
SAT Vocab
TOEFL Essential Vocab
Basic English Words For All
Global Words You Should Know
Business English
More...
Languages
AP German Vocab
AP Latin Vocab
SAT Subject Test: French
Italian Survival
Norwegian Survival
More...
Engineering
Audio Engineering
Computer Science Engineering
Aerospace Engineering
Chemical Engineering
Structural Engineering
More...
Health Sciences
Basic Nursing Skills
Health Science Language Fundamentals
Veterinary Technology Medical Language
Cardiology
Clinical Surgery
More...
English
Grammar Fundamentals
Literary And Rhetorical Vocab
Elements Of Style Vocab
Introduction To English Major
Complete Advanced Sentences
Literature
Homonyms
More...
Math
Algebra Formulas
Basic Arithmetic: Measurements
Metric Conversions
Geometric Properties
Important Math Facts
Number Sense Vocab
Business Math
More...
Other Major Subjects
Science
Economics
History
Law
Performing-arts
Cooking
Logic & Reasoning
Trivia
Browse all subjects
Browse all tests
Most popular tests