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MLS microbiology > Microbiology > Flashcards

Microbiology Flashcards

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Biology 101 flashcards
1
Q

MT media is used for what organisms?

A

N. gonorrhoea and N. meningitidis

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2
Q

the primary habitat for plesiomonas shigelloides is?

A

fresh water

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3
Q

the tube coagulase detects what?

A

extracellular coagulase

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4
Q

the slide coagulase detects what type of coagulase?

A

bound form or clumping factor

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5
Q

Erythrogenic toxin, hyaluronidase, and hemolysins S and O are extracellular products of:

A

S. pyogenes

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6
Q

What organism is optichin resistant, PYR negative, Bile solubility negative, catalase negative?

A

Viridans strep

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7
Q

What organism will grow ONLY on a culture media that has been supplemented with either cysteine or cystine?

A

Francisella tularensis

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8
Q

Glomerulonephritis and rheumatic fever are sequelae that may follow with infection from what organism?

A

Group A streptococci

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9
Q

an organism that shows a positive modified oxidase test?

A

micrococcus

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10
Q

Blood cultures are best used to isolate what organisms?

A

fungi and acid fast organisms

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11
Q

What is CNA (columbia colistin nalidixic acid) agar best to isolate?

A

Selects for gram positive Cocci

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12
Q

Lowenstein jensen and middle brook 7H10 best isolates what organisms?

A

mycobacterium sp.

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13
Q

On cystine-Tellurite agar (Tinsdale) this organism produceds black colonies?

A

C. diptheriae

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14
Q

Beta-naphthylamine is used in what test?

A

PYR

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15
Q

What organism causes nongonococcal urethritis?

A

Ureaplasma urealyticum

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16
Q

Thiosulfate citrate bile salts best isolates what organism?

A

Vibrio

17
Q

A helically curved organism with hooked ends that exhibits corkscrew motility?

A

Leptospira

18
Q

anaerobic gram negative bacillius that produces brown-black colonies

A

B. fragilis

19
Q

Media with kanamycin, vancomycin laked blood is best for which organism?

A

B. fragilis

20
Q

What media contains NAD and is necessary for the growth of Haemophilus spp.?

A

Chocolate

21
Q

Which media is the best choice to selectively isolate C. difficile?

A

cycloserine-cefotoxin fructose egg yolk agar (CCFA)

22
Q

Which plasmodia species do you see band forms in?

A

P. malariae

23
Q

Which plasmodia species doe you see ring forms and gametocytes? It also causes blackwater fever.

A

P. falciparum

24
Q

The CIN agar is selective media for these organisms?

A

Yersinia, Aeromonas and plsiomonas shigelloides

25
Q

BCYE (buffered charcoal yeast agar) is selective for which organim?

A

Legionella

26
Q

This organism produces sulfur granules and has a molar tooth apperance, gram positive branching rods?

A

Actinomyces

27
Q

Double zone of hemolysis, Production of Lecithinase

A

Clostridium perfringens

28
Q

colonies appear as a fried egg?

A

Mycoplasma/Ureaplasma

29
Q

Infantile diarrhea

A

rotavirus

30
Q

Which trematode lives in the small intestines?

A

Fasciola

31
Q

Which virus causes fifths disease?

A

parvovirus B-19

32
Q

Dimorphic fungi with a broad base and a double wall that demonstrates a “lollipop” form?

A

Blastomyces dermatitidis

33
Q

Silver stain is used for what fungal organism?

A

Pneumocystis jaravochi

34
Q

this is known as the dog tapeworm?

A

Dipylidium caninum

35
Q

This is know as the fish tapeworm?

A

Diphyllobothrium latum

36
Q

Hydatid tapworm
very small
sheep are the host

A

echinococcus granulosus

37
Q

Which group of tests differentiate Acinetobacter baumanii and Psuedomonas aeruginoas

A

Oxidase, motility, NO3 reduction

38
Q

Smooth wall club shaped macroconidia

A

E. floccosum

39
Q

digestion and decontaminiation is done with what?

A

NALC-NaOH

MLS microbiology (1 decks)

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