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. Which gram neg bacteria are spiral
All except coxiella are via arthropod
Used to diagnose Whipple's disease - tropheryma whippelii
Leptospria - borrelia - treponema
Chronic monoarthritis and migratory polyarthritis
2. Which gram neg bacteria have pleomorphic morphology
Toxin permanently activates causing rice water diarrhea via induction of cAMP - turns the on on
Pasteurella multocida
Rickettsiae - chlamydia (Giemsa)
S. aureus
3. What happens when macrophages activate macrophages
Killed/inactivated
humans do not have
Cytoplasm - except influenza and retroviruses
IL-1 - lever - TNF - fever/hemorrhagic tissue necrosis - NO - hypotension
4. What OI/disease occurs in the mouth and throat of AIDS pts
Metabolic activity without division
ribosomes - function
Thursh - HSV - CMV - oral hairy leukoplakia from EBV
penetration (B)
5. Other than the ToRCHeS infxns - what other infectious agents can cause meningitis in neonates
Tellurite agar
Group B strep - E. coli - listeria
Pregnant women
Beta hemolytic
6. ___ of cancers are known to be _____ induced
10%; viral
When nutriets are limited
chlamydia
amoebic dynsentry
7. Decaying meat produces maggots - ponds produce frogs
A second - different antigenic determinant of the HBV core - HBeAg indicates active viral replication and therefor high transmissability
Muramic acid
Cool temps - infects skin and superficial nerves - armadillos
spontaneous generation example
8. How does tetanus toxin cause tetanus
Gardnerella vaginialis and bacterial vaginosis
Trichinella spiralis - undercooked meat usually pork - larvae encyst in muscle - bendazoles
glycocalyx - description
Blocka glycine and GABA release - inhibitory NTs from Renshaw cells in spinal cord
9. Pairs
C. diff
Reticulte body - in cytoplast of host
Pseudomembranous (grey- white membrane) pharyngitis with lymphadenopathy
arrangements - diplo
10. What test screens for syphillis and What test confirms it
Generalized transduction - a packaging event
Attachment to host T cell
VDRL screens and FTA- ABS
Dysentery from shiga like toxin - O157:H7 is common serotype - produces HUS
11. Which DNA virus is not double stranded
Mycoplasma - have sterols
8 segments of neg stranded RNA undergo high frequency recombinatino via reassortment
Parvo - single stranded
15-20 - atypical lymphocytes
12. What lab values are classic but not specific for osteomyelitis
Thursh - HSV - CMV - oral hairy leukoplakia from EBV
Endotoxin/LPS - the periplasmic space (location of many beta lactamases)
Inc - inc PMNs - inc - dec
Elevated CRP and ESR
13. What pyogenic infections does s pyogenes cause
Herpesviruses - HBV - smallpox
Severe bacteremia - death
Coxsackie A - hand - foot - mouth dz
Pharyngitis - cellulitis - impetigo
14. Which neisseria has a polysaccharide capsule
monera kingdom
Cyanophora paradoxa
Gonorrhea - septic arthritis - neonatal conjunctivitis - PID - fitz - hugh curtis
Meningococci
15. Will show size and arrangement
simple staining of bacteria
S. pneumo - H. flu type b - Neisseira - SHiN - IgA protease cleaves IgA
ADP- R AB toxin: heat labile - stimulates adenylate cylcase - heat stable toxin stimulates guanylate cyclase - both cause watery diarrhea
Bartonella sp
16. What is the classical presentation of mycoplasma pneumonia
C. perfringens
Insidious onset - HA - non productive cough - diffuse interstitial infiltrate
HBsAg - HbeAg - and IgG Anti - HBcAg
Teichoic acid
17. Mitosis and meiosis + cytokinesis
Major surface antigen - peptidoglycan for support - teichoic acid induces TNF and IL-1
Mold with irregular nonseptate hyphae branching at wide angles
Skin infections - organ abscesses - pneumonia
replication for eukaryotes
18. What can cause food poisoning in improperly canned foods (bulging cans)
adsorption (AV)
C. botulinum
Edema factor - part of the toxin complex - is an adenylate cyclase
Mostly in DKA pts and leukemic pts - rhinocerebral - frontal lobe abscesses - HA - facial pain - black necrotic eschar on face - cranial nerve involvement
19. 2nd leading cause of community acquired UTI among sexually active women
Staph saprophyticus
Protects against phagocytosis - polysaccharide (except for B. anthracis which contains D- glutamate)
Recombination
staining of bacteria
20. What is the organism for endemic typhus (fleas)
cell membrane - definition
gram stain - definition
Avain resevoir
R. typhi
21. What HIV parameter allows providers to monitor effect of durg therapy
Ancylostoma duodenale - necator americanus - larvae penetrate skin of feet - bendazoles or pyrantel pamoate
Naegleria fowleri - freshwater lakes through cribiform plate - amoebas in spinal fluid - amphotericin for survivors
Actic polymerization
PCR/Viral load
22. Which staph make coagulase - and which don't
Taenia solium - ingestion of eggs - praziquantal
C. perfringens
Aureus does - epidermidis and group B do not
Protozoan - STD
23. Host cell usually lyses - lysozyme produced
release (B)
California encephalitis - sandfly/Rift Valley fevers - crimean - congo hemorrhagic fever Not - hantavirus causing hemorrhagic fever pneumonia
Doxycycline and ceftriaxone
Mumps virus - mumps
24. Minor changes based on random mutation
Genetic drift - epidemic
Antigen found on the surface on HBV - indicates hepatitis B infection
E. Coli produces beta galactosidase
they are eukaryotes
25. What species causes bloody diarrhea - is lactose neg - and had flagellar motility
IL-1 - lever - TNF - fever/hemorrhagic tissue necrosis - NO - hypotension
Salmonella
Used to diagnose Whipple's disease - tropheryma whippelii
Lepromatous
26. What is the H flu vaccine
Type B capsular polysaccharide conjugated to diptheria toxoid or other protein
Lactose fermenting enterics
capsid is composed of...
fungi
27. What is the pathophys of tinea versicolor
Degradation of lipids produces acids that damage melancytes and cause hypopigmented and or hyperpigmented patches - occurs in hot humid weather
Protein synthesis - 30S and 50S subunits
Cervical motion tenderness (chandelier sign) purulent cervical discharge
S. aureus
28. Jaundice - org (sexually transmitted) and dz
No infection - anergic (steroids - malnutrition - immunoCised - sarcoidosis)
Mycobacterium TB (Pott's dz)
10%; viral
HBC - hepatitis B
29. Structure unique to some bacteria
S. aureus
Strongyloides stercoralis - larvae penetrate skin - bendazoles or ivermectin
endospores
Attachment to host T cell
30. What are the viral causes of meningitis
Fever - rash - shock - S aureas - TSST-1
Cleaves host cell rRNA (inactivates 60S ribosome) - also enhances cytokine release causing HUS - shigella and E. Coli 0157:H7
Enterovirus esp coxsackievirus - HSV - HIV - West Nile virus - VZV
Mycolic acid - high lipid content
31. bloody diarrhea - reddish brown liver abcess - RUQ pain - flask shaped ulcer; dz - transmission - dx - and tx
Entamoeba his - cysts in water - serology/trophozoites or cysts in stool/RBC in cytoplasm of entamoeba - metronidazole and iodquinol
Neurologica like bell's palsy and cardiac AV block
Spirochete - causes syphillis - or yaws (T. pertenue)
Tick feces and cattle placenta release spores that are inhaled as aerosols - coxiella burnetti
32. When is H flu vaccine give
biogenesis
Aspepti meningitis - herpangina (febrile pharyngitis) hand foot mouth dz - myocarditis
Blastomycosis - states east of mississippi river and central america
Between 2 and 18 months
33. Will show the difference between two things
differential staining of bacteria
Toxoplasmosis - aerolized cat feces or ingestion of undercooked meat
Canned food - honey (causing floppy baby)
Comma shaped - s - shaped - oxidase positive - grows at 42 C
34. What bug produces a yellow pigment
S. aureus
nucleus
C. trachomatis - subactue - often undiagnosed - N. gono - acute with high fever; C. trachomatis is the most common STI in the US
Vulvuvaginitis
35. What are the symptoms of TB
animal kingdom
Group B strep - E. coli
Ferver - night sweats - weight loss - hemoptysis - can be drug resistant
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
36. This infxn is usually asymptomatic in the mother with possible lymphadenopathy - causes chorioretinitis - hydrocephalus - and intracranial calcifications in the neonate - org and transmission
bacteria domain
Toxoplasmosis - aerolized cat feces or ingestion of undercooked meat
RNA hepevirs - transmitted enterically and causes water borne epidemics - resembles HAV in course - severity - incubation - high mortality in pregnant women
Mediate adherence of bacteria to cell surface;sex pilus forms attachment between 2 bacteria during conjugation - glycoprotein
37. Study of protozoans
virus example
Preallergic lymphatic or hematogenous dissemination - reactivation in adult life
Ingestion of preformed toxin
protozoology
38. What other organism is involved in vaginosis from gardnerella
lysozyme
Mobiluncus - an anaerobe
Toxoplasmosis
spontaneous generation example
39. Must be able to re- isolate organism from test host
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
40. Sepis/meningitis in newborn
Group B strep
Yersinia enterocolitica
N. gono causing gono
John Needham - experiment
41. What serum markers are present in the window period of HBV infxn
IgG Anti - HBcAg
No - erythromycin
lysis
adsorption (B)
42. What kind of exotoxin does b. anthracis have
Edema factor - part of the toxin complex - is an adenylate cyclase
S. aureus
Legionella
animal kingdom
43. How does mucomycosis present clinically
Mostly in DKA pts and leukemic pts - rhinocerebral - frontal lobe abscesses - HA - facial pain - black necrotic eschar on face - cranial nerve involvement
interferon
Transformation or competence
Rabies
44. What are the killed viral vaccines
Entamoeba hisotlytica
RSV - mycoplasma - chlamydia pneumo - strep pneumo -
Rabies - influenza - salk polio - HAV
Ancylostoma - necator
45. What does coronavirus do
Rifampin
Common cold and SARS
Coccidiodiomycosis - southwestern US - CA - San Joaquin Valley valley fever - spherules
F+ plasmid can become incorportated into bacterial chromosome DNA
46. What is the classic triad of infxn with rickettsia and what requirements do they need to grow
Mycoplasma - legionella - chlamydia
ABC
Headache - fever - rash (vasculitis) - obligate intracellular that need CoA and NAD+
Cryptococcal meningitis - cryptococcosis - soap bibble lesions in brain
47. What is the TX for h pylori
Francisella tularenis
mycolic acid - definition
Triple therapy - metronidazole - bismuth - either tetracycline or amoxicillin OR metro - omeprazole and clarithromycin
RSV - mycoplasma - chlamydia pneumo - strep pneumo -
48. What are patients at risk for during infection with influenza virus
Nucelocapsid - nucleic acid
Koch's Postulates 4
Severe - daily cycles - parasitized RBCs occlude capillaries in the brain - kidneys and lungs
Bacterial superinfection
49. What two toxins does C. diff produce andw What do they do
HDV
Trichamonas vaginalis - trichomoniasis
Toxin A - enterotoxin binds to brush border of the gut - Toxin B - cytotoxin - destroys the cytoskeletal structure of enterocytes - causing pseudomembranous colitis
Group B are resistant - group A are sensitive - B- BRAS
50. This substance binds directly to MHC II and T cell receptor simultaneously - activating large numbers of T cells to stimulate release of IFN gamma and IL-2
Superantigen
Chronic monoarthritis and migratory polyarthritis
Silver stain
Allergic bronchopulmonary aspergillosis - lung cavity aspergilloma 'fungus ball' invasice aspergillosis in immunoCised pts and those with chronic granulomatous disease