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microbiology
Microbiology 2 final exam CLLS-312
| Question | Answer |
|---|---|
| What is BAP used for | Gpc |
| What is Thayer Martin/ Martin Lewis used for | fastidious bacteria |
| What is MacConkey used for | GNB |
| How to identify S.aureus | Coagulase test |
| How to identify N. meningitidis | CTA sugars |
| S.pyogenes | Bacitracin |
| S.pneumonia | optichin |
| S.agalactiae | CAMP |
| Malassezia furfur | "spaghetti and Meatballs" KOH prep of skin scrapings. Tinea versicolor |
| Hartae werneckii | pigmented septate hyphae. Tinea Nigra |
| Tinea Nigra | dark lesions on palms of hands and feet |
| Piedraia hortae | found in tropics/Black Piedra/clicking sound when brushing hair |
| Trichospora beigelli | warm climates/poor hygiene/ White Piedra/ infects beard, axilla, and grain hair |
| Tinea pedis | Athletes foot |
| Microsporum, Trichophyton, Epidermophyton, Arthroderma are what | Dermatophytes |
| What is Wood's lamp helpful in diagnosing | Tinea capitis |
| Tinea imbricata | concentric rings |
| Tinea favosa | thick crusts on hair |
| Tinea barbae | beard |
| Sporothrix schenckii | Rose moss/non healing nodule or ulcer/Dimorphic, pigmented mold |
| Philophora Cladosporium Fonsecauea | found in soil and decaying wood/Dimorphic/ sclerotic bodies in tissue/verrucose & may spread to subcutaneous tissue |
| Coccidiodes immitus | inhalation of desert soil/valley fever/spherules in tissue/very infectious |
| Histoplasma capsulatum | inhalation of bird droppings/histoplasmosis/ spherules with endospores in tissue/wet mounts of sherules |
| Histoplasma capsulatum's mold form is called | Arthroconidia |
| What causes Valley Fever and is the most virulent fungi? | Coccidioides immitus |
| Furrows radiating from center to edge | rugose |
| verrucose | wrinkled surface |
| What is common about Ascospore, Zygospore, Basidiospore | Reproductive structure produced sexually |
| What are the tubular structures seen in mold-form growth of fungi | hyphae |
| What is a conidiophore | support structure for conidia |
| Infection of the nails | Tinea unguium |
| Tinea versicolor | sun spots |
| What can cause Tinea cruris (jock itch) | Epidermophyton floccusum |
| The name for a fungus that is dark in color or pigmented is | dematiaceous |
| Dimorphic | exist in saprophytic mold phase in nature, and pathogenic yeast state in tissue |
| The common media of choice for the general cultivation of fungi is | Sabouraud's |
| What organism produces "fried egg" colonies on agar within 1-5 days of culture from a genital specimen | Mycoplasma hominis |
| Mycoplasma and Ureaplasma | have no cell wall/smallest free living organism known/anaerobic & easy to cultivate |
| he infectious form of Chlamydia is | Elementary body |
| Borrelia burgorferi causes what | Lyme disease |
| Rickettsia rickettsia causes | Rocky Mountain Spotted fever |
| Coxiella burnetti causes | Q fever |
| Chlamydia psittaci causes | Parrot fever |
| Treponema pallidum causes | Syphilis |
| Brill-Zinser typhus is caused by what | Rickettsia prowazekii |
| What is a characteristic of secondary syphilis | raised red rash |
| Rickettsia are transmitted most often by | arthropod vectors |
| The Genus of tick vector of Lyme disease is | Ixodes |
| Chlamydia is a | Obligate intracellular bacteria |
| True or false: Treponemes can cross the placenta | true |
| True or false: Wooden shaft swabs should not be used to culture cell wall deficient bacteria | true |
| Viruses are generally classified by | Type of genome |
| The protein coat of a virus is known as the | capsid |
| Glycoproteins on the surface of a viral envelope are used to | identify & bind to receptor sites on the host cell |
| Presence of Heterophile antibodies that react with Paul Bunnell RBC antigen is used to test for | Infectious mononucleosis |
| Viruses reproduce by | binary fision |
| Most routine laboratory testing of viruses consists of | testing serum for antibodies to the virus |
| Herpes simplex is what type of virus? | DNA |
| Rubella is what type of virus? | RNA |
| Polio is what type of virus? | RNA |
| Hepatitis B is what type of virus? | DNA |
| Poxviriridae causes what? | smallpox |
| Rubeola causes what? | measles |
| Oncogenic | causes cancer |
| nucleocapsid | protein coat and genetic material |
| virion | entire viral particle |
| Herpesbirdae | CMV |
| Flaviviridae | Hepititis C |
| Orthomyxoviridae | Influenza A |
| Ameoba responsible for amebic dysentery is | Entamoeba histolytica |
| E. hystolytica, Iodamoeba butschili, and E. hartmonii are all types of | amoebas |
| Giardia lamblia, Chilomastix mesnili and T. vaginalis are all types of | flagellates |
| All clinically significant species of Leishmania are transmitted by | sandflies |
| Diagnostic phase of Leishmania | amastigote |
| The T.cruzi infection is caused by_____ and causes raised, red, lesions called ____. | reduviid bug/chagoma |
| Dum dum fever is caused by what organism | L.donovani |
| L. donovani | Kalaazar |
| L.tropica | Dehli boil |
| Tsetse fly | African sleeping sickness |
| Diagnostic stage for T.cruzi | trypomastigote |
| Diagnostic stage for G.lamblia | cyst or trophozoite |
| Diagnostice stage for E.histolytica | cyst or trophozoite |
| Largest intestinal round worm | Ascaris lumbricoides |
| Whipworm is what | Trichuris trichiura |
| E. vermicularis is called | pinworm |
| Charaterized by crescent shaped gametocytes and multiple ring forms within RBCs | P. falciprium |
| Sever malabsorption & potentially fatal diarrhea in immunocompromised patients. Identified using an acid fast stain | C.parvum |
| Infective stage of the malarial parasite is | merozoite |
| P. vivax and P. ovale cause | Benign tertian malaria |
| P. falciparum cause | blackwater fever |
| P. malariae causes | Quartan malaria |
| Appropriate infective stage for I.belli is | oocyst |
| Appropriate infective stage for B.coli is | cyst |
| Diagnostic stage of a blood fluke is | ova/egg |
| Recurrent Salmonella infection is common in | S. mansoni |
| Elephantiasis is caused by | W. bancrofti |
| River blindness | O.volvulus |
| C.sinensis is commonly known as | Chinese liver fluke |
| almond shaped scolex with 2 lateral sucking grooves and caused B12 deficiency | D. latum |
| T.solium | pork tapeworm |
| T. saginata | beef tapeworm |
| P. westermani | lung fluke |
| rugose means | furrows radiating from center |
| T.rubrum | red pigmented colonies |
| Canidia albicans | thrush |
| S. agalacteae belongs to what group | Streptococcus group B |
| S.pyogenes belongs to | Group A, beta hemolytic/ necrotizing fasciitis |
| Tumbling motility | Listeria species |
| Skirrow media | C. jejuni |
| S.aureus | Gram + cocci/Coagulase(+), creamy, beta/scalded skin syndrome |
| E.faecalis | Bile esculin test |
| Pivitol test to distinguish Staph from Strep | catalase-bubbles or no bubbles |
| E.coli | oxidase(-), MUG test |
| Zygomycetes/Rhizopus | rapid growth/immune-compromised hosts/aseptate hyphae, sporangiospores/ diagnose from direct exam |
| aspergillis species | bread mold/bronchial inf./septate hyphae, fruiting head with phillaides "fungus ball"/silver stain |
| Cryptococcus neoformans | inhaled bird poop/cryptococcal meningitis in AIDS patients/pleomorphic/India ink |
| India ink | for yeast with capsule |
| Paracoceidioides | inhalation of spores/Mickey mouse ears |
| Blastomyces dermatidis | soil from beaver ponds/verroucous skin infection, deforming scars/thick refractile cell wall on yeast form/lollipop conidia |
Created by:
pamela18
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