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. What is the characteristic feature of cells infected by CMV
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
2. Animal - plant - fungi - protista - and monera
five kingdoms of microorganisms
Parainfluenza - croup - RSV - bronchiloitis in babies - Rx - ribavirin - Rubeola (Measles) Mumps
Reticulte body - in cytoplast of host
Louis Pasteur
3. Human fetus when acquired during pregnancy (stillbirth - brain damage - vision)
species
biggest danger of toxplasmosis
chromosome - function
Klebsiella
4. What bug grows on chocolate agar with factors V (NAD+) and X (hematin)
Anaerobes
Mediates adherence to surfaces - especially foreign surfaces like indwelling catheters; polysaccharide
H. flu
Arenaviruses - bunyaviruses - paramyxoviruses - orthomyxoviruses - filoviruses - rhabdoviruses - Always Bring Polymerase Or Fail Replication
5. What kind of genome does HIV have
Dipoid RNA
Klebsiella
Characteristic cytoplasmic inclusion bodies in neurons infected with rabies virus; commonly found in Purkinje cells of cerebellum
CMV - sexual contact - organ transplants
6. branching rods in oral infection - sulfur granules
Actinomyces
B anthracis - c. perfringens - c tetani (b cereus and c botulinum also form spores
Dark field microscopy
L1 - L2 - L3
7. trematode causing inflammation and 2ndary bacterial infection of the lung with hemoptysis - org - transmission - tx
Often secondary to Abx use - diagnosed by detection of one or both toxins in the stool
Protein synthesis - 30S and 50S subunits
Paragonimus westermani - undercooked crab meat - praziquantel
Owl's eye inculsions
8. What is the organism for endemic typhus (human body louse)
Viridans is resistant and pneumo is sensitive - OVRPS (overpass)
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
R. prowazekii
staining of bacteria
9. microcytic anemia - parasite
Toxin A - enterotoxin binds to brush border of the gut - Toxin B - cytotoxin - destroys the cytoskeletal structure of enterocytes - causing pseudomembranous colitis
Ancylostoma - necator
Hepadna - herpes - adeno - pox - parvo - papilloma - polyoma
Doxycycline
10. Where does the rickettsiae rash start and Where does the typhus rash start
Transformation or competence
cell wall - function
Rickettsiae starts on hands and feet - typhus starts centrally and spreads outwards without involving palms or soles
Envelope proteins
11. Spherical
Capsid protein
C tetani
coccus
rickettsia
12. What bugs can colonize the respiratory mucosa and why
S. pneumo - H. flu type b - Neisseira - SHiN - IgA protease cleaves IgA
CD4 less than or equal to 200 - or HIV pos with AIDS defining conditino like pneumocytsis jerovici or a CD4/CD8 < 1.5
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
Crohns or appendicitis
13. What does adenovirus cause
Nucleus - except parvovirus
Febrile pharyingitis - acute hemorrhagic cystitis - pneumonia - conjunctivitis (watery)
microaerophilic
Toxoplasma - cysts in meat or cat feces - serology/biopsy - sulfadiazine + pyrimethamine
14. A waxy substance that retains carbolfuchsin
mycolic acid - definition
In pregs - amnionitis - septicemia - spontaneous abortion - granulomatous infantiseptica - neonatal meningitis in neonates - immunoCised - meningitis - healthy people - mild gastroenteritis
Clostridium botulinum
DNA hepadnavirus
15. What is the TX for chlamydia
Azithromycin
Meningitis - otitis media - pneumonia - sinusitis OR - Most Optichin Sensitive
Group B strep - E. coli - listeria
adsorption (AV)
16. How do group B strep grow on blood agar
Cigar shaped yeast
Interstitial pneumonia - AIDS - diffuse bilateral CXR appearance - dx by lung biopsy or lavage - ID- ed by methanamine silver stain of lung tissue
Beta hemolytic
Klebsiella pneumo
17. What is the fxn and chemical composition of bacterial pilus/fimbria
S. aureus - virulence factor - binds Fc - IgG - inhibiting complement fixation and phagocytosis
Lepromatous
Mediate adherence of bacteria to cell surface;sex pilus forms attachment between 2 bacteria during conjugation - glycoprotein
osmotic lysis
18. What OI's are HIV pos patients at risk for with CD4 < 100
Vagina
Unimmunised kids
Louis Pasteur
Candidal esophagitis - toxoplasmosis - histoplasmosis
19. Which DNA virus does not replicate in the nucleus
ribosomes (eukaryotic) - size
Rapid antigenic variation of pilus proteins
Pox - carries own DNA dependent RNA polymerase
Entamoeba histolytica
20. atypical PNA
Syphillis - sexual contact
Mycoplasma - legionella - chlamydia
Clonorchis sinensis - undercooked fish - cholangiocarcinoma - praziquantel
S. pneumo - H. flu type b - Neisseira - SHiN - IgA protease cleaves IgA
21. Which spirochete can be visulized using aniline dyes in light microscopy
Anti - HAVAb IgM
Epiglottitis H flu type B
Allergic bronchopulmonary aspergillosis - lung cavity aspergilloma 'fungus ball' invasice aspergillosis in immunoCised pts and those with chronic granulomatous disease
Only borrelia
22. PNA in neonates < 4wks - orgs
S pneumo - GNR - listeria
they are eukaryotes
Group B strep - E. coli
IgG Anti - HBcAg
23. What species causes bloody diarrhea - is lactose neg - and had flagellar motility
Salmonella
Chagas dz - trypanosoma cruzi - reduviid bug - blood smear - nifurtimox
Streptococcus - staphylococus
Serratia marcescens
24. Nucleic acid goes into capsid; tail is attached
Synthesized dsDNA from RNA; dsDNA integrates into host genome
pasteurization
assembly (B)
Type B protease IgA
25. Pasteur's swan - shaped flask kept microbes out but let air in
Theory of Biogenesis
Parvo - single stranded
Chlamydia trachomatis (D- K) - chlamydia
Diaper rash - endocarditis in IVDU - disseminated candidiasis - chronic mucocutanous candidiasis
26. Which bacteria are beta hemolytic
Taenia solium - ingestion of eggs - praziquantal
release (B)
S. aureus - Strep pyogenes - group B strep - listeria monocytogenes
More virulent - 10^1 vs 10^5 organisms
27. The receptor sites for host cell in an enveloped virus
cell wall - function
what envelope contains
Antigen in vaccines
Shiga like toxin - botulinum toxin - cholera toxin - diptheria toxin - erythrogenic toxin of s. pyogenes
28. Filled six jars with decaying meat; three covered jars => no maggots; three uncovered jars => maggots
viral shapes
Francesco Redi - experiment
cell membrane - function
Both are lactose fermenters - both invade intestinal mucosa and can cause blood diarrhea
29. What shape are s pneumo - do they have a capsule and what protease do they have
Lancet shaped - encapsulate - IgA protease
Teichoic acid
protozoa (3)
Apices of lung - immune system compromise - or anti - TNF alpha use
30. Animals - plants - fungi - and protists
Bordetella pertussis
Arenaviruses - bunyaviruses - paramyxoviruses - orthomyxoviruses - filoviruses - rhabdoviruses - Always Bring Polymerase Or Fail Replication
eukarya domain
Eastern equine virus - wesetern equine virus - rubella not
31. Bacillus - coccus - and spiral
single- stranded RNA
botulism
Tellurite agar
basic shapes of bacteria
32. In the chlamydiae replication cycle - What is released from a lysed host cell
Elementary body
fimbriae - function
chlamydia
TMP- SMX - pentamidine - dapsone - start proph when CD4 drops below 200
33. What cell wall structures are common to both gram pos and gram neg bacteria
Tetanus toxin blocks the release of inhibitory GABA and glycine - causes lockjaw
bacteriophage - definition
Flagellum - pilus - capsule - peptidoglycan - cytoplasmic membrane
Capsid protein
34. What diseases can CMV cause and What is the route of infection
Elementary body
vaginal yeast infections can be caused by this
Congenital infection - mononucleosis with negative monospot - pneumonia - congenital - transfusion - sexual contact - saliva - urine - transplant
Robert Koch
35. Where are strep viridans normal flora and What do they cause
C. perfringens
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
Nl flora in oropharynx - cause dental carries (mutans) - subacute bacterial endocarditis (sanguis)
Darkfield microscopy and fluoresecent
36. What makes up the cell membrane of mycobacterium
Mycolic acid - high lipid content
archaea domain
Pneumonia - meningitis - sepsis in babies
hypertonic solution
37. Cat scratch disease - can cause bacillary angiomatosis in immuncoCised patients - can be confused with KS
3 groups in archaea
CAMP factor enlarges area of hemolysis formed by S. aureus
Bartonella sp
Lynn Margulis - gen. information
38. Which DNA viruses are not linear
Staph make it - strep don't
HSV1 and 2 - VZV - CMV - EBV
spiral - vibrio
Papilloma - polyoma (circular - supercoiled) and hepadna (circular incomplete)
39. produces tetanospas an exotoxin causing tetanus
C tetani
basic shapes of bacteria
bacillus
Robert Koch
40. Larger bacteria engulf smaller bacteria; these small bacteria may be our present- day mitochondria and chloroplasts
HSV - skin or mucous membrance contact
Common cold
Endosymbiotic Theory
Plasma membrane - exceptions are herpesvirus which acquire from nuclear membrane
41. Multicellular and aerobic
taxonomic hierarchy
molds
Paracoccidioidomycosis
Lower lobe
42. What are the markers of Hep immunity
Cytoplasmic inclusions seen on giemsa stain or fluorescent antibody- stained smear
replication (AV)
Anti - HBsAb
No they are T cells reacting to EBV infected cells
43. What are patients at risk for during infection with influenza virus
Taenia solium - cysticercosis
eukaryotic organelles - definition
Bacterial superinfection
PCR/Viral load
44. Intestinal flora that causes lobar pneumonia in alcoholics and diabetics when aspirated
botulism
Lymph nodes
Klebsiella
Canned food - honey (causing floppy baby)
45. What is legionnaires disease
Severe pneumonia
Motility - protein
Naegleria fowleri - freshwater lakes through cribiform plate - amoebas in spinal fluid - amphotericin for survivors
what peptidoglycan is composed of
46. Non - enveloped virus is engulfed by host cell; enveloped virus fusion of the envelope with cell membrane
Gingivostomatitis - keratoconjunctivitis - temporal lobe encephalitis - herpes labialis - respiratory secretions - saliva
penetration (AV)
Toxoplasmosis - aerolized cat feces or ingestion of undercooked meat
EBV
47. Recurrent fever from variable surface antigen - transmitted by louse
Borrelia recurrentis
Tzanck test - assay for HSV1 - 2 and VZV
Pyelonephritis - fever - chills flank pain - CVA tenderness - hematuria and WBC casts
Only borrelia
48. What is the nl flora in the oropharynx
Viridans group streptococci
Thursh - HSV - CMV - oral hairy leukoplakia from EBV
plasmid - definition
Degradation of lipids produces acids that damage melancytes and cause hypopigmented and or hyperpigmented patches - occurs in hot humid weather
49. Which are the picornaviruses - and What is there the common features
LCMV - lymphocytic choriomeningitis virus - Lassa fever encephalitis - spread by mice
Proteus mirabilis
Polio - echo - rhino - coxsackie - HAV - enteroviruses = fecal oral; large polypeptide that is cleaved by proteases into functional viral proteins - can cause aspetic meningitis (except rhino and HAV)
Degrades H2O2 before it can be converted to micorbicidal products by the enzyme myeloperoxidase
50. yeast infection
Borrelia recurrentis
Parainfluenza - croup - RSV - bronchiloitis in babies - Rx - ribavirin - Rubeola (Measles) Mumps
candidiasis
Dysentery from shiga like toxin - O157:H7 is common serotype - produces HUS