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Test your basic knowledge |
Microbiology
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Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
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study here
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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. Glycerol + fatty acid(s)
HDV
John Needham - experiment
lipids (fats) =
Side of oxidative transport of enzymes - lipoprotein layer
2. What can PID cause
Ingestion of preformed toxin
Eastern equine virus - wesetern equine virus - rubella not
Clindamycin or ampicillin
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
3. What are the two forms of Hansens disease and which patients get which
Hemagluttin
Itraconazole or potassium iodide
Lepromatous - diffusely over skin and is communicalbe (immunoCised) tuberculoid limited to a few hypoesthetic skin nodules (immunoCtent
Ingestion of preformed toxin
4. What can cause food poisoning in undercooked meat
CMV - RSV
Shigella
capsid - function
E. coli 0157:H7
5. What is the fxn and chemical composition of bacterial periplasm
gram- negative stain - color
halophiles
Streptococcus - staphylococus
Space between cytoplasmic membrane and peptidoglycan wall in gram neg bacteria contains many hydrolytic enzymes - including beta lactamases
6. Postviral PNA
Antigen associated with core of HBV
Malignant otitis externa
Reovirus - colorado tick fever - rotavirus - #1 cause of fatal diarrhea in children
Staph or H. flu
7. Survival structure produced when food and water are unavailable - dormant - not a life cycle stage
Treponema - 2ndary syphillis
endospores - definition
HEV
Prompt oral rehydration
8. Protein coat surrounding nucleic acid
capsid - definition
Campylobacter
Enterobius verniculum (pinworm - nematode) - food contaminated with eggs - bendazoles or pyrantel pamoate
Aminoglycosides - require O2 to enter bacterial cell - nl found in GI tract
9. tissue nematode that causes swelling in the skin and can see worms crawling in the conjunctiva - org - transmission - tx
Teichoic acid
Loa loa - deer/horse/mango fly - diethylcarbamazine
Ferver - night sweats - weight loss - hemoptysis - can be drug resistant
D- K
10. 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
assembly (AV)
Pets - treat with topical azoles
mitochondria - function
11. What is the H flu vaccine
Staph saprophyticus
Type B capsular polysaccharide conjugated to diptheria toxoid or other protein
Pseudemonas aeruginosa
Epiglottitis (cherry- red in kids) meningitis - otitis media and pneumonia
12. What is the most important global cause of infantile gastroenteritis - what kind of virus is it - and What is the pathophys
Toxplasmosis
Rotavirus - adenovirus - norwalk virus
Protozoan - a TORCH infection
Rotavirus - dsRNA reovirus - villous destruction with atrophy leads to dec absorption of Na and H2O - day care centers and kindegartnes
13. What are the signs of viral hepatitis
No infection - anergic (steroids - malnutrition - immunoCised - sarcoidosis)
Gingivostomatitis - keratoconjunctivitis - temporal lobe encephalitis - herpes labialis - respiratory secretions - saliva
Rubella - respiratory droplets
Episodes of fever - jaundice and inc AST/ALT
14. The receptor sites for host cell in an enveloped virus
Infectious = most of dsDNA (not pox/HBV) (+) strand ssRNA (same as mRNA); non infecitious = (-) ssRNA - dsRNA
what envelope contains
Bat - racoon - skunk
Degrades H2O2 before it can be converted to micorbicidal products by the enzyme myeloperoxidase
15. What is the resevoir for Microsporum and What is the management
assembly (AV)
Pets - treat with topical azoles
Ancylostoma duodenale - necator americanus - larvae penetrate skin of feet - bendazoles or pyrantel pamoate
Adenovirus - papilloviruses - parvovirus
16. What virus is in the filovirus family and What does it do
A second - different antigenic determinant of the HBV core - HBeAg indicates active viral replication and therefor high transmissability
Mumps virus - mumps
fermentation - definition
Ebolo/marburg - hemorrhagic fever - often fatal
17. Golgi complex - mitochondria - chloroplasts* - endoplasmic reticulum - nucleus
Many treponemas
Streptococcus - staphylococus
eukaryotic organelles (5)
Ebolo/marburg - hemorrhagic fever - often fatal
18. trematode causing inflammation of the biliary tract leading to pigmented gallstones - org - transmission - associated cancer - tx
Side of oxidative transport of enzymes - lipoprotein layer
biogenesis
flagella
Clonorchis sinensis - undercooked fish - cholangiocarcinoma - praziquantel
19. What is the TX for rickettsiae
Protein A - S. aureus
Anti - HBsAb - Anti - HBeAb - Anti - HBcAb
Mumps virus - mumps
Doxycycline
20. What organisms do Giemsa stain pick up
replication (AV)
Borrelia - plasmodium - tryapanosomes - chlamydia
Chronic disease - positive during window period
Enterohemorrhagic E. Coli
21. What are the symptoms of TB
Acsaris lumbricoides (giant roundworm) - bendazole or pyrantel pamoate
they are eukaryotes
DNA hepadnavirus
Ferver - night sweats - weight loss - hemoptysis - can be drug resistant
22. What cell wall structures are found only in gram neg bacteria
actinomycetes (3) - description
Endotoxin/LPS - the periplasmic space (location of many beta lactamases)
chlamydia
No cell wall
23. What is only exception of DNA viruses that are not double stranded
lipids (fats) =
eukaryotic organelles - definition
Parvoviridae
Saprohyticus resistant - epidermidis is sensitive - NO StRES
24. Squamous cell carcinoma in anus of MSM or cervix of females of HIV pso pt
Brucella sp
PHV
EBV
Strep pyogenes and scarlet fever
25. What is the fxn and chemical composition of plasmid
Contains a variety genes for antibiotic resistance - enzymes and toxins; DNA
Meningitis - otitis media - pneumonia - sinusitis OR - Most Optichin Sensitive
people with _____ have some protection against infection with malaria
Attachment to host T cell
26. bloating - flatulence - foul - smelling fatty diarrhea seen in campers/hikers - infection - transmission - dx - and tx
10 to 12
Doxycycline
Giardia - cysts in water - trophozoites or cysts in stool - metronidazole
ADP- R AB toxin - inactivates EF-2; causes pharyngitis and pseudomembrane in the throat (similar to pseudomonas exotoxin A)
27. Non - enveloped virus is engulfed by host cell; enveloped virus fusion of the envelope with cell membrane
penetration (AV)
35 to 37 weeks - intrapartum pen prophylaxis
Itraconazole or potassium iodide
B19 virus - aplastic crisis in sickle cell - slapped cheek rash in kids - erythema infectosum (5th disease) - RBC destruction in fetus leads to hydrops fetalis and death - pure RBC aplasia and RA like symtpoms in adults
28. What causes typhoid fever - tricky Ts
Salmonella typhi
10 to 12
Haemophilus - legionella - bordetella - francisella - brucella - pasteurella - bartonella - garderella
Anti gp120 crosses the placenta
29. How does miliary TB occur and what happens
HEV
Severe bacteremia - death
Characteristic cytoplasmic inclusion bodies in neurons infected with rabies virus; commonly found in Purkinje cells of cerebellum
exceptions to Koch's Postulates 2
30. microcytic anemia - parasite
Ancylostoma - necator
Treponema - primary syphillis
Sporothrix schenckii
Glycogen - mucopolysaccharides
31. Why are chlamydiae obligate intracellular
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32. Which bacteria is an important cause of subacute endocarditis and bacteremia in colon cancer patients
Strep bovis - also group D
aerobic
envelope is composed of...
Parvovirus B19 and erythema infectiosum
33. Severe diarrhea in AIDS - mild disease with watery diarrhea in immunoCtent - dz - transmission - dx - and tx
Haemophilus - legionella - bordetella - francisella - brucella - pasteurella - bartonella - garderella
Water source - endotoxin causing fever and shock - exotoxin A (inactivates EF-2)
Cryptosporidium - cysts in water - cysts on acid - fast stain - prevention (clean water) no tx
Taenia solium - cysticercosis
34. liver cysts - parasite
HPV - warts (1 - 2 - 6 - 11) - CIN - cervical cancer (16 - 18) vaccine available
gas gangrene
Pasteurella multocida
Echinococcus granulosus
35. In which age group is the peak incidence for mononucleosis - and how are the reactive cytotoxic T cells termed?
Used to diagnose Whipple's disease - tropheryma whippelii
virology
flagella - description
15-20 - atypical lymphocytes
36. cestode causing B12 deficiency and anemia - org - transmission - tx
Diphyllobothrium latum - ingestion of larvae in raw freshwater fish - praziquantel
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
Enterobius verniculum (pinworm - nematode) - food contaminated with eggs - bendazoles or pyrantel pamoate
Weil Felix test
37. Methanogens - halophiles - and hyperthermophiles
Salpingitis
3 groups in archaea
Rubella - respiratory droplets
Protein synthesis - 30S and 50S subunits
38. What specific infections are likely to be staph aureus
Acute bacterial endocarditis and osteomyelitis
Used to diagnose Whipple's disease - tropheryma whippelii
Promote T cell activation and subsequent class switching - alone only IgM antibodies would be produced
Treponema
39. Where do HSV2 cells remain latent
Gram neg coccobacillary rods - cultured on chocolate agar with factors V and X NAD+ and hematin OR with S. aureus
Vagina
Sacral ganglia
antibiotics
40. What other organism is involved in vaginosis from gardnerella
Mobiluncus - an anaerobe
cell wall - function
what many pathogenic fungi are
Toxin permanently activates causing rice water diarrhea via induction of cAMP - turns the on on
41. What is S. aureus food poisoning due to...
Ingestion of preformed toxin
S. epidermidis; colonized by S. aureus
Meningococci
Interstitial pneumonia - AIDS - diffuse bilateral CXR appearance - dx by lung biopsy or lavage - ID- ed by methanamine silver stain of lung tissue
42. What can cause food poisoning in improperly canned foods (bulging cans)
Genital herpes - warts - cervical cancer from HPV
Microbes that may pass from mother to fetus - hepatosplenomegaly - jaundice - thrombocytopenia - growth retardation
C. botulinum
Strongyloides - ancylostoma - necator
43. What schistosoma species is associated with squamous cell carcinoma - and of what organi
60%; viruses
Haematobium - bladder
Entertoxigenic E. coli
Francesco Redi - experiment
44. A natural antiviral protein produced during viral infection which stops replication of virus
Tetanus toxin blocks the release of inhibitory GABA and glycine - causes lockjaw
interferon
Strongyloides stercoralis - larvae penetrate skin - bendazoles or ivermectin
plasmid - definition
45. In the bacterial growth curve - what happens in the log phase
Rapid cell division
Enteroviruses - rhinovirus - reovirus (rotavirus)
production of beer and wine
Entamoeba his - cysts in water - serology/trophozoites or cysts in stool/RBC in cytoplasm of entamoeba - metronidazole and iodquinol
46. What does coxaskcievirus do
Aspepti meningitis - herpangina (febrile pharyngitis) hand foot mouth dz - myocarditis
Antiphagocytic virulence factor
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
John Needham - experiment
47. PNA in EtOh or IVDU
Proteus mirabilis
S. pneumo - klebsiella - staph
Weil Felix test
35 to 37 weeks - intrapartum pen prophylaxis
48. painless chancre - org and dz
how many degrees celsius for mold?
Starts quickly and ends quickly
Metronidazole
Treponema - primary syphillis
49. ___ of cancers are known to be _____ induced
10%; viral
Pseudomonas
C tetani
Mumps virus - mumps
50. tissue nematode causing skin inflammation and ulceration - org - transmission - tx
Hepadna - herpes - adeno - pox - parvo - papilloma - polyoma
algology
Dracunculus medinensis - in drinking water - niridazole
Salmonella - neisseria - brucella - mycobacterium - listeria - francisella - legionella
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