Mycology intern SQ
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| porangiospores are produced by a single class of fungi called the: a) Ascomycetes b) Basidiomycetes c) Zygomycetes d) Deuteromycetes | C
🗑
|
||||
| Fungal organisms that produce darkly pigmented hyphae are referred to as: a) hyaline b) aseptate c) septate d) dematiaceous | D
🗑
|
||||
| gen charS of fungi, one of the following is NOT correct: a) their cellular organelles are membranous-bound b) they possess a cell wall composed of the polysaccharide pectin c) their cell membranes are rich in ergosterol d) they are achlorophyllous | B
🗑
|
||||
| The fxn of 10% KOH in the direct exam. of a specimen for fungal elements is: a) to fix fungal elements permanently b) to digest & dissolve cellular debis c) to eradicate bacterial organisms d) to stain the existing hyphae | B
🗑
|
||||
| The production of diagnostic reproductive structures by fungi is enhanced by: a) incubation in CO2 conditions b) incubation at 42C c) providing nutritionally enriched media d) providing nutritionally poor media | D
🗑
|
||||
| One of the following is NOT a sexual spore: a) zygospore b) ascospore c) sporangiospore d)basidiospore | C
🗑
|
||||
| A true hyphae, which is divided into compartments by crosswalls, is called: a) imperfect b) perfect c) nonseptate d) septate | D
🗑
|
||||
| Multicellular filamentous colonies of fungi are called: a) molds b) yeasts c) coenocytic d) dematiaceous | A
🗑
|
||||
| A dimorphic fungus is one that: a) changes its form on different types of media b) changes its form as a result of different temps c) starts to grow as a mold, but becomes more yeast-like d) exhibits yeast & mold forms at the same time | B
🗑
|
||||
| Yeasts reproduce by a process called: a) binary fission b) budding c) meiosis d) conjunction | B
🗑
|
||||
| Thick-walled asexual spores that form terminally or w/in hyphal segments are: a) arthroconidia b) blastoconidia c) chlamydoconidia d) sporangia | C
🗑
|
||||
| Colonies of mold hyphae are called: a) macroconidia b) arthroconidia c) yeasts d) mycelia | D
🗑
|
||||
| Sabourad dextrose agar is an example of: a) primary fungal isolation media b) media for observation of microscopic morphology c) special-purpose media d) nutritionally deficient media | A
🗑
|
||||
| The India ink stain is combined w/ CSF to ID: a) Coccidiodes immitis b) Cryptococcus neoformans c) Candida albicans d) Histoplasma capsulatum | B
🗑
|
||||
| The germ tube test is used to presumptively ID: a) Cryptococcus neoformans b) Candida albicans c) Candida tropicalis d) Rhizopus | B
🗑
|
||||
| Fungi produce a variety of pigments. Pigment characteristics appear: a) on the top of the colony b) on the underside of the colony c) diffused into the medium d) all of the above | D
🗑
|
||||
| Microscopic observations of fungi include all of the following EXCEPT: a) type of hyphae b) type of spores c) manner in which the spores are produced d) type of topography | D
🗑
|
||||
| All of the following are acceptable specimens for fungal culture EXCEPT: a) freshly passed stool b) 24-hr urine specimen c) sputum specimen d) CSF specimen | B
🗑
|
||||
| Yeast & the yeast phase of dimorphic fungi grow best: a) at room temp b) in a range between 26C & 30C c) at 35C to 37C d) in a CO2-enriched environment | C
🗑
|
||||
| In mycology, topography refers to: a) pigment production b) the surfact features of the colonies c) the texture of the colonies d) rate of growth | B
🗑
|
||||
| Infection around the hair shaft w/ a soft light, nodular hyphal mass is characteristic of: a) Trichosporon beigelii b) Malassezia furfur c) Piedraia hortae d) Phaeoannellomyces werneckii | A
🗑
|
||||
| Tinea nigra is the common disease name for infection w/ a) Microsporum audouinii b) Phaeoannellomyces werneckii c) Trichophyton rubrum d) Epidermophyton floccosum | B
🗑
|
||||
| Organisms in this genus of yeast produce skin infections that are very similar to dermatophyte infections: a) Epidermophyton b) Cryptococcus c) Candida d) Malessezia | C
🗑
|
||||
| An organism commonly assoc. w/ tinea cruris in the US is: a) Trichophyton mentagrophytes b) Epidermophyton flocossum c) Microsporum audouinii d) Microsporum canis | B
🗑
|
||||
| The most common of the dermatophyte infections is: a) athlete's foot b) jock itch c) nail infections d) scalp infections | A
🗑
|
||||
| All of the following genera contain species that caouse dermatophyte infections EXCEPT: a) Epidermophyton b) Microsporum c) Trichophyton d) Trichosporon | D
🗑
|
||||
| One of the following is NOT considered a superficial fungal infection: a) tinea nigra b) black piedra cP white piedra d) tinea pedis | D
🗑
|
||||
| A mycetoma is: a) a collection of sclerotic bodies b) a type of ringworm c) a fungal brain tumor d) a destructive fungal abscess of the extremity | D
🗑
|
||||
| Phaeohyphomycosis is a term that refers to fungal infections that: a) cause creeping eruptions b) are waterborne c) have dermatiaceous, septate mycelia in the tissues d) have hyaline, septate hyphae | C
🗑
|
||||
| The name given to a dimorphic fungi which causes a lymphocutaneous infection: a) actinomycotic mycetoma b) chromoblastomycosis c) sporotrichosis d) neurotropic | C
🗑
|
||||
| The most virulent of all fungal agents is: a) Histoplasma capsulatum b) Sporothrix schenckii c) Coccidioides immitis d) Blastomyces dermatitidis | C
🗑
|
||||
| Primary infections for the systemic dimorphic pathogens are: a) pulmonary b) cutaneous c) urogenital d) gastrointestinal | A
🗑
|
||||
| "Thrush" is caued by: a) Cryptococcus neoformans b) Candida albicans c) Coccidioides immitis d) Trichophyton rubrum | B
🗑
|
||||
| An organism that rarely infects a normal humasn but may cause severe infection in the immunosuppressed pt is called; a) a true pathogen b) an opportuinistic pathogen c) transient flora d) a contaminant | B
🗑
|
||||
| A pt is admitted to the hospital w/ a tentative diagnosis of fungas ball. The fungal cultures reveal a fast-growing mold w/ septate hyphae, which confirms the causative agent: a) Rhizopus b) Aspergillus c) Histoplasma d) Candida | B
🗑
|
||||
| Vaginal cnadidiasis is often a sequela to antibiotic therapy due to: a) an allergic rxn b) an overgrowth of bacterial organisms c) an upset of the ecological balance of vaginal flora | C
🗑
|
||||
| A rapidly progressive infection of immunocompromised pts that involves invastion of blood vessels is: a) Candidiasis b) Blastomycosis c) Zygomycosis d) Cryptococcosis | C
🗑
|
||||
| All of the following are characteristics of the Zygomycetes EXCEPT: a) rhizoids b) sporangia c) rapid growth d) phialides | D
🗑
|
||||
| The genus that is characterized by aseptate hyphae, rhizoids, & internodal sporangiophores w/ pointed columella & prominent aphophyses is: a) Rhizopus b) Mucor c) Absidia d) Curvularia | C
🗑
|
||||
| Zygospores are sexual reproductive structures of: a) Penicillium spp b) Rhizomucor spp c) Alternaria spp d) Fusarium spp | B
🗑
|
||||
| The cell walls of dematiaceous fungi contain the pigment: a) melanin b) carotene c) bilirubin d) urochrome | A
🗑
|
||||
| Staib's medium (Niger seed agar) is useful in the ID of which of the following? a) Candida albicans b) Candida (Torulopsis) glabrata c) Saccharomyces cerevisiae d) Cryptococcus neoformans | D
🗑
|
||||
| Penicillium can best be separated from Aspergillus by: a) color of the colonies b) optimum growth temp c) presence of rhizoids d) arrangement of the conidia on the conidiophore | D
🗑
|
||||
| In processing clinical specimens & fungal isolates, lab workers may contract systemic funagl infections through: a) inhalation b) ingestion c) skin contact d) insect vector | A
🗑
|
||||
| The microscopic structures most useful in the ID of dermatophytes are: a) septate & branching hyphae b) racquet & pectinate hyphae c) chlamydospores & microconidia d) macroconidia & microconidia | D
🗑
|
||||
| All of the following are considered dermatophytes of the genera Deuteromycetes EXCEPT: a) Epidermophyton b) Microsporum c) Geotrichum d)Ttrichophyton | C
🗑
|
||||
| The major features by which molds are routinely ID are: a) mode of sporulation, morphology, & arrangement of spores b) biochemical rxns & mycelial morphology c) mycelial morphology & selective media d) specialized sexual reproductive structures | A
🗑
|
||||
| All of the following are genera of the Actinomycetes EXCEPT: a) Streptomycetes b) Nocardia c) Actinomycetes d) Deuteromycetes | D
🗑
|
||||
| List the 5 major divisions of the fungi based on mycoses: | Systemic, Subcutaenous, Yeasts, Superficial & dermatophytes & Opportunistic
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
nizhoni
Popular Laboratory Science sets