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Darbys Ch 9 Microbiology > Review Questions > Flashcards

Review Questions Flashcards

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Biology 101 flashcards
1
Q

What cellular structure is involved in protein synthesis?

A

Ribosome

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2
Q

What is the type of microscopic technique used to examine living cells?

A

Phase-contrast microscopy

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3
Q

Identify the type of staining used to determine if an organism is a spore former.

A

Schaefer-Fulton stain

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4
Q

What is the CORRECT morphologic name for bacteria that do appear in irregular clusters?

A

Staphylococci

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5
Q

The type of microbial relationship in which one organism benefits and the other neither benefits or is harmed.

A

Commensalism

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6
Q

Which immunoglobulin is the first to appear in immune response?

A

IgM

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7
Q

An infection in which the causative agent remains inactive for a time, but then becomes active to produce symptoms of the disease?

A

Latent

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8
Q

A chancre is present during which stage of a syphilis infection?

A

Primary

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9
Q

The structure that is responsible for regulating movement of materials into and out of the cell:

A

Cytoplasmic membrane

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10
Q

In prokaryotes, respiration occurs through what cellular structure?

A

Mitochondria

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11
Q

Shingles are caused by this virus:

A

Varicella-zoster virus

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12
Q

The cardinal signs of inflammation include all of the following except one. Which one is the exception?

A

Pus formation

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13
Q

The bacterial species primarily responsible for root caries is:

A

Actinomyces naeslundii

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14
Q

The type of immunity acquired when a mother passes antibodies to her infant is called:

A

Natural passive

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15
Q

Herpes viruses are responsible for formation of

A

Cold sore

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16
Q

Causative agent of syphilis is

A

Treponema pallidum

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17
Q

Primary organism in necrotizing ulcerative gingivitis is

A

Prevotella intermedia

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18
Q

Causative agent of tuberculosis is

A

Mycobacterium tuberculosis

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19
Q

All of the following are gram negative bacteria expect one

A

Strep Spp

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20
Q

Bacterial species commonly responsible for smooth surface caries is

A

S sobrinus

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21
Q

Enamel demineralization typically occurs at this pH

A

4.5-5.5

22
Q

During first month of infant life all of following bacteria are typical at present except one

A

F nucleatum

23
Q

Phase of bacterial growth where number of viable cells decrease is called

A

Phase of decline

24
Q

Presence of bacteria in bloodstream is termed

A

Bacteremia

25
Q

Each of following oral microorganisms could colonize soft tissues except one

A

Strep mutans

26
Q

Which bacteria are MOST commonly found in Supra plaque

A

Gram positive cocci

27
Q

All of the following are prerequisites for caries development expect one

A

Portal of exit

28
Q

Causative agent of aphthous ulcers is

A

None of above

29
Q

21 yr old presented with raised white non removable plaque on hard palate. Which fungal infection is likely present

A

Hyperplastic candidiasis

30
Q

Which type of organism uses light for energy

A

Phototrophic

31
Q

Microbial relationship that results in interaction in 2 different species live in mutual beneficial coexistence

A

Symbiosis

32
Q

All are true regarding innate immunity expect

A

Antigen specific

33
Q

HIV is transmitted by all expect

A

Saliva

34
Q

Risk factored for acquiring HIV include

A

All of above
Unsafe sex
Blood
iv drug use

35
Q

Causative agent of chicken Pox

A

Varicella zoster

36
Q

All transmitted via droplet expect one

A

Hep A virus

37
Q

Causative agent of syphilis is

A

Treponema pallidum

38
Q

All are perio pathogens expect one

A

S mutans

39
Q

Gram negative, facultative anaerobes expect

A

P gingivalis

40
Q

All found in tooth associated plaque biofilms except one

A

P gingivalis

41
Q

Bacteria responsive for decay on 3O is

A

S mutans

42
Q

2mm 3mm grayish white lesion w erythematous halo is likely

A

Aphtous ulcer

43
Q

Etiology for Greyish white lesion w halo

A

None of above

44
Q

Predominant fluid found in gingival crevicular fluid

A

Gram neg, rod

45
Q

History of cold sores most likely

A

Herpes simplex virus

46
Q

2mm 3mm purplish spots

A

Karposis sarcoma

47
Q

Bacteria for class V decay

A

A naeslundii

48
Q

White non removeable plaque on palate

A

Hyperplasticity candidiasis

49
Q

Perio condition present

A

NUP

50
Q

Medication indicated for depression

A

Wellbutrin

Darbys Ch 9 Microbiology (1 decks)

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