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Test your basic knowledge |
Microbiology
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Study First
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. This fungi can be found in bird/bat droppings or within macrophages and causes pneumonia - Where is it endemic
Histoplasmosis - mississippi and ohio river valley
Endotoxin/LPS - the periplasmic space (location of many beta lactamases)
dormant
Viral gastroenteritis
2. Why aren't naked viruses destroyed in the gut (A and E)
No envelope
cell wall - function
Ancylostoma - necator
plasmolysis
3. Bats can carry _____ - but birds do not
specialized flagella
histoplasmosis
Subacute sclerosing panencephalitis is rare - and giant cell PNA in immunoCised
Tinea pedis - cruris - corporis - capitis - dermatophytes: microsporum - trichophyton - epidermophyton
4. In which population do paramyxovirus cause disease and What do they cause
amoebic dynsentry
production of beer and wine
Vagina
Children; parainfluenza (croup seal like barking cough) - mumps - measles and RSV (bronchiolitis - PNA) in infants
5. Locomotion by rotation of basal body
Actinomyces israeli
lipids (fats) =
flagella - function
Pox - carries own DNA dependent RNA polymerase
6. What kind of virus is the seasonal influenza virus
ImmunoCised - or their close contacts
Fungi proliferate in blood vessel walls when there is excess ketone and glucose - penetrate cribiform plate - and enter
Killed viral vaccine
HAV - RNA picornavirus
7. What is the fever cycle for p. falciparum
Nutrient depletion slows growth - spore formation in some bacteria
Severe - daily cycles - parasitized RBCs occlude capillaries in the brain - kidneys and lungs
Mumps virus - mumps
Neurologica like bell's palsy and cardiac AV block
8. What bacteria has protein A and What does it do
Inc - inc PMNs - inc - dec
S. aureus - virulence factor - binds Fc - IgG - inhibiting complement fixation and phagocytosis
Muramic acid
Aerosal and causes pneumonia
9. What diseases can HHV-8 cause and What is the route of transmission
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10. With staph grown on novobiocin - Which is resistant and Which is sensitive
C. perfringens
Saprohyticus resistant - epidermidis is sensitive - NO StRES
Antigen found on the surface on HBV - indicates hepatitis B infection
Dark field microscopy
11. What is the nl flora of the vagina
Tick feces and cattle placenta release spores that are inhaled as aerosols - coxiella burnetti
Lactobacillus - colonized by E. coli and group B strep
Toxocara canis - food contaminated with eggs - diethylcarbamazine
protozoan infections (5)
12. Which gram neg bacteria are spiral
Characteristic cytoplasmic inclusion bodies in neurons infected with rabies virus; commonly found in Purkinje cells of cerebellum
Clostridia
Leptospria - borrelia - treponema
Febrile pharyingitis - acute hemorrhagic cystitis - pneumonia - conjunctivitis (watery)
13. Why are chlamydiae obligate intracellular
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14. Which are the naked viruses
biggest danger of toxplasmosis
Calicivirus - picornavirus - reovirus - parvovirus - adenovirus - papilloma - polyoma
Enterobius - ascaris - trichinella
Visceral leishmaniasis - donovani - sandly - macrophages containing amastigotes (lack flagella) - sodium stibogluconate
15. What are prion disease caused by
assembly (AV)
Rubella
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
EBV
16. Require intracellular parasite/has to be within a host cell to replicate (prokaryotic); Rocky Mountain Spotted Fever
rickettsia
Guillain barre
Antiphagocytic virulence factor
food thickeners
17. What bacteria causes Lyme disease - How is transmitted - How does it present - and what other systems does it effect
Generalized transduction - a packaging event
E. coli - shigella - salmonella - yersinia - klebsiella - proteus - enterobacter - serratia - vibrio - campylobacter - helicobacter - pseudomonas - bacteroides
Borrelia burgdorferi - transmited by Ixodes - erythema chronicum migrans (bulls eye rash with central clearing) effects joints - CNS and heart
Animal - except typhi - only in humans
18. When do gram pos rods form spores
When nutriets are limited
Schistosoma mansori
virus example
Permanently disables causing whooping cough via induction of cAMP - turns the off off
19. Which hepatitis virus is the hepevirus
Side of oxidative transport of enzymes - lipoprotein layer
Permanently disables causing whooping cough via induction of cAMP - turns the off off
HEV
Diarrhea in children - no toxin - adheres to apical surface - flattens villi - prevents absorption
20. What does Anti HBcAg (IgM) indicate
what peptidoglycan is composed of
Severe - daily cycles - parasitized RBCs occlude capillaries in the brain - kidneys and lungs
Acute/recent infection
TB granulomas (Ghon focus + lobar and perihilary lymph node involvment) - primary infection or exposure
21. Many sided; most common is icosahedron
polyhedral shape - defintion
Congenital infection - mononucleosis with negative monospot - pneumonia - congenital - transfusion - sexual contact - saliva - urine - transplant
Measles rubeola - measles
CAMP factor enlarges area of hemolysis formed by S. aureus
22. What bugs are urease pos
Plasmodium
Proteus - klebsiella - H. pylori - ureaplasma - particular kinds have urease
Koch's Postulates 4
Serratia
23. What bug grows on bordet - genou (potato) agar
Bordetella pertussis
JC virus causing PML
structures of prokaryotic cell
KS from HHS-8 - invasive cervical caricoma from HPV - and primary CNS lymphoma - non - Hodgkin's lymphoma
24. In who does HEV have high mortality
Clonorchis sinensis - undercooked fish - cholangiocarcinoma - praziquantel
Pregnant women
Prior HAV infection - protects against reinfection
Cryptococcus neoformans - also encephalitis
25. Non - enveloped virus usually lyses the host cell; enveloped virus takes portion of host cell membrane as envelope which may or may not result in cell lysis
some fungi produce ______ that are toxic to humans
HBsAg as envelope - can coinfect or superinfect (worse prognosis)
Rabies
release (AV)
26. What test is done with a smear of an openedskin vesicle to detect multinucleated giant cells and What is used for
capsid - function
Campylobacter
S. aureus
Tzanck test - assay for HSV1 - 2 and VZV
27. Study of fungi
Food poisoning = Vibrio parahaemolyticus and V. vulnificus - wound = just vulnificus
mycology
Borrelia burgdorferi
Clostridia
28. Which are the picornaviruses - and What is there the common features
Subacute sclerosing panencephalitis is rare - and giant cell PNA in immunoCised
Teichoic acid
Nystatin for superficial - ampho B for systemic
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)
29. Meningitis in newbord (0 - 6 months)
Group B strep - E. coli - listeria
Actinomyces
Anti - HBsAb
Diaper rash - endocarditis in IVDU - disseminated candidiasis - chronic mucocutanous candidiasis
30. Animals - plants - fungi - and protists
specialized flagella
Pneumocystis jerovici PNA - TB - histoplasmosis
malaria prevention
eukarya domain
31. fever - lymphadenopathy - skin rashes - condylomata lata - org and dz
Cryptosporidium
Recombination
Treponema - 2ndary syphillis
Anti - HBsAb
32. What is the ability to take up DNA from evironment in bacteria
Transformation or competence
arrangements - strepto...
myc/myo means
gram stain - definition
33. neutropenic pts
H flu type B
Pox - complex
Toxplasmosis
Candida and aspergillus
34. mycobacterium causing disseminated disease in AIDS - resistant to multiple drugs - cannot be grown in vitro
fermentation - definition
arrangements - diplo
M. avium intracellulare
Haemophilus ducreyi - chancroid
35. What is the mechanism of renal failure and thrombocytopenia in HUS
Diphyllobothrium latum - ingestion of larvae in raw freshwater fish - praziquantel
Endothelium swells and narrows lumen - leading to mechanical hemolysis and reduced renal blood flow - damaged endothelium consumes platelets
M. avium intracellulare
Nutrient depletion slows growth - spore formation in some bacteria
36. Dimorphic fungus that lives on vegetation - traumatically introduced into the skin causes local pustule or ulcer with nodules along draining lymphatics - little systemic illness
species
Sporothrix schenckii
Doxycycline
Parotis - orchitis and aseptic meningitis
37. What is the fxn and chemical composition of peptidoglycan
Gives rigid support - protects against osmotic pressure - sugar backbone with cross linked peptide side chains
10 to 12
how do viruses take over a host cell?
IVDU
38. meningitis from 6 -60 yrs
Wound and burn infectinos - Pneumonia in CF - sepsis - external otitis (swimmer's ear) - UTI - drug use and diabetic osteomyelitis and hot tub follculitis
N. meningitidis - enterovirus - s pneumo - HSV
capsid is composed of...
Doxycycline and ceftriaxone
39. What cancers are associated with EBV virus
Acute or chronic - vaccine is HBsAg - reverse transcriptase though not a retrovirus
R. typhi
Hodgkin lymphoma - endemic Burkitt lymphoma - nasopharyngeal carcinoma
Infectious = most of dsDNA (not pox/HBV) (+) strand ssRNA (same as mRNA); non infecitious = (-) ssRNA - dsRNA
40. Spaghetti and meatball appearance on KOH prep - dz - organism
EBV
Tinea versicolor - malassezia furfur
Streptococcus - staphylococus
Dapsone - hemolysis and methemoglobinemia or rifampin and combination clofazimine + dapsone
41. Which are the segmented viruses and what feature do they all share
C tetani
Antibody to HBeAg - indicates low transmissability
RNA viruses - BOAR = Bunyavirus - Orthomyxovirus - Arenaviruses - Reoviruses
Clonorchis sinensis
42. What does papillomovirus cause
malaria symptoms
HPV - warts (1 - 2 - 6 - 11) - CIN - cervical cancer (16 - 18) vaccine available
endospores
molds
43. Which spirochete can be visulized using aniline dyes in light microscopy
osmotic pressure
Shiga like toxin - botulinum toxin - cholera toxin - diptheria toxin - erythrogenic toxin of s. pyogenes
Only borrelia
cytoplasm - definition
44. Anthrax (wool sorter's disease)
Treponema palladium - painless chancre
Bacillus anthracis
Metronidazole
No they are T cells reacting to EBV infected cells
45. cestode causing cysticercosis - org - transmission - tx
Enterobius verniculum (pinworm - nematode) - food contaminated with eggs - bendazoles or pyrantel pamoate
Babesiosis - ixodes - blood smear - quinine and clindamycin
Taenia solium - ingestion of eggs - praziquantal
Acute or chronic - vaccine is HBsAg - reverse transcriptase though not a retrovirus
46. What surface protein do all paramyxoviruses contain and What does it cause
Serratia marcescens
Teichoic acid
Surface F protein - causes respiratory epithelial cells to fus and form multinucleated cells
Cryptococcal meningitis - toxoplasmosis - CMV encelphalopathy - AIDS dementia - PML from JC virus
47. fungal infection in diabetic
R. typhi
Fungi
Comma shaped - s - shaped - oxidase positive - grows at 42 C
Mucor or rhizopus
48. Repeating disaccharide: NAG and NAM
what peptidoglycan is composed of
Strep pneumo - n. meningiditis - h flu type b - enterovirus
Group B strep
spontaneous generation
49. What does c perfringens produce and What does it do
Alpha toxin (lecithinase) that can cause myonecrosis (gas gangrene) and hemolysis
HBV (antigen = recombinant HBsAg) HPV (6 - 11 -16 -18)
genus
Pseudomonas
50. Virus sticks to host cell surfaces by means of receptor sites which are inherited characteristics of the host
Dapsone - hemolysis and methemoglobinemia or rifampin and combination clofazimine + dapsone
Neisseria
staining of bacteria
adsorption (AV)
Sorry!:) No result found.
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