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Microbiology > Intro > Flashcards

Intro Flashcards

1
Q

MenACWY vaccine use for :

A

Neisseria meningitides.

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2
Q

Bacteria cell wall formed by:

A

Peptidoglycan

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3
Q

Septic shock is caused by:

A

Endotoxins of gram -negative bacteria

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4
Q

The different between staphylococcus is:

A

Coagulase

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5
Q

40% carries staphylococcus aureus (normal) in:

A

Nose

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6
Q

Staphylococcus epidermidis it has tendency for growth on:

A

Implanted foreign bodies

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7
Q

The most staphylococcus hard to treatment is:

A

Staph.epidermis

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8
Q

Stitch abscess:

A

Staph,epidermis

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9
Q

One of few coagulase negative taht resistant to Novobiocin is:

A

S.saprophyticus

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10
Q

Major cause of human infection:

A

Streptococcus

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11
Q

beta hemolytic is

A

Pyogenes , agalactiae

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12
Q

Alph hemolytic is

A

Pnemoniae,viridans

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13
Q

Classifications of lancefield group according to :

A

C carbohydrates (on cell wall)

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14
Q

GROUP A hemolytic habits in

A

Throat, nasopharynx

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15
Q

Response for the rash scarlet fever and toxic shock syndrome in caused by:

A

Pyrogenic ( erythrogenic ) toxin ((suppurative))

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16
Q

Erythematous reaction of erythrogenic toxin is test by:

A

Dick test

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17
Q

The respiratory track infection associated with Str.pyogenes are:

A

Pharyngitis and scarlet fever (suppurative)

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18
Q

Flesh eating bacteria is::

A

Skin and soft tissue infection by str.pyogenes (suppurative)

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19
Q

What is etiology of Schoff nodules:

A

Rheumatic heart disease in str.pyogenes (non suppurative )

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20
Q

Penicillin resistant are:

A

Staph.aureus

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21
Q

The non suppurative disease is

A

Glomerulonephritis and Rheumatic heat disease

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22
Q

Str.pyogenes and agalactiae are catalase::

A

Negative

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23
Q

PYRase tset is for?

A

Str.pyogenes and Enterococci

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24
Q

Normal habits of agalactiae in ?

A

GIT and can move to other site including (vagina)

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25
Q

The disease caused by agalactiae?

A

-Septicemia
-Neonatal meningitis
-Pneumonia
-Endocarditis and wound infection after delivery

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26
Q

Selective media should be:

A

Suppers for flora and only for pathgens

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27
Q

According to bacitracin in beta hemolytic?

A

Pyogenes is sensitive

Agalactiae is resistant

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28
Q

Camp test for??

A

Agalactiae with enhance haemolysin of S.aureus

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29
Q

Antimicrobial sensitive for beta hemolytic ?

A

Penicillin and erythromycin

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30
Q

Alpha hemolytic is different from beta in?

A

Do not have C carbohydrates,, partial zone of haemolysis

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31
Q

Str.viridans seen in::

A

Gums,teeth , oral, nasoph,,,gnetal

32
Q

Bacteria important in causation of dental caries is?

A

Strp.mutans

33
Q

Bacteria is aloh hemolytic under aerobic,,and beta hemolytic under anaerobic, is??

A

Str.pneumonia

34
Q

Bacteria come pathogens in weaker immune system specific in HIV ,,is?

A

Str.pneumonia

35
Q

Does not produce toxin and have a capsule and work usually in respiratory system is:::

A

Str.pneumonia

36
Q

Iga protease seen in::

A

Str.pneumonia,, Neisseria meningitis ,, Neisseria gonorrhoeae,,,

37
Q

According to optochin test in alph hemolytic the results is::

A

Pneumonia == sensitive
Viridans == resistant

38
Q

According to inuline fermentation test in alph hemolytic,, results is::

A

Pneumonia == yellow colour
Viridans == no change

39
Q

Bile solubility test in alph hemolytic??

A

Pneumonia == sensitivie (lysis)
Viridans == resident (turbid)

40
Q

Treatment of alpha hemolytic is

A

Penicillin

41
Q

Sterile of normal flora in?

A

New born ,,

Adults = blood,CSF, internL organ

42
Q

Normal flora cannt be

A

Viruses or parasites

43
Q

Flora of intestine produce ?

A

Vit k and vit B

44
Q

What the name of flora that turn produces to vit K?

45
Q

Oxidase , catalase , aerobic and need CO2 ??

46
Q

Bacteria is primary human pathgen is

A

Neisseria meningitis and gonorrhoeae

47
Q

Main cause of bacteria meningitis

A

Neisseria meningitisthe

48
Q

Capsule made of

A

Polysaccharide

49
Q

Bacteria found inside polymophs and have pili((fimbriar)???

A

Neisseria meningitis

50
Q

Bacteria is diplococci?

A

Neisseria meningitis and gonorrhoeae
,,,,, alpha hemolytic

51
Q

Bacteria after treat can make permanent disabilities ??

A

Neisseria meningitis

52
Q

Neisseria meningitis symptoms

A

Fever+headache +stiff neck+ sensitivity to light

53
Q

Septicemia it cause by

A

Neisseria meningitis

54
Q

Bacteremia and disseminated intravascular and toxemia leading to sock and coma,, Iits??

A

Neisseria meningitis

55
Q

Neisseria meningitis most commoon in?

A

Dry season (December)

56
Q

Modified new york city (MNYC) medium it used for??

A

Neisseria meningitis and gonorrhoeae

57
Q

Catalase positive is

A

Neisseria meningitis and brucella and staph. Aureus

58
Q

Differ between Neisseria meningitis and gonorrhoeae can be in??

A

Glucose and maltose in Neisseria meningitis

—
Only glucose in Neisseria gonorrhoeae

59
Q

Treat of Neisseria meningitis

A

Antibiotics and cephalosporin

60
Q

Prevention of Neisseria meningitis ?

61
Q

The sexual transmitted disease is

A

Neisseria gonorrhoeae

62
Q

Neisseria gonorrhoeae in women cause up to 40% of??

A

Rectal infection

63
Q

Ectopic pregnancy and fallopian tube inflammation is cause by?

A

Neisseria gonorrhoeae

64
Q

Acute conjunctivitis of infants born ( ophthalmia neonatorum ) caused by?

A

Neisseria gonorrhoeae

65
Q

Bacteria can be disseminated into different organs is?

A

Neisseria gonorrhoeae

66
Q

Oxidase positive::

A

Neisseria meningitis and gonorrhoeae ,,, brucella

67
Q

Non capsulated its?

68
Q

Strict aerobic and slow grower and obligate intercellular with capnophilic is?

69
Q

Capnophilic its

A

Brucella , niesseria

70
Q

Person with undulating or irregular fever and symptoms like influenza and sweating at night,,is mainly be ?

71
Q

Low-grade fever ?

72
Q

Undulant or irregular fever with prolonged bacteraemia is

A

Acute brucellosis

73
Q

Patient with nonbacteremic and low grade infection, periodic exacerbation ,,, and state related of hypersensitive of patient is usually?

A

Chronic brucellosis

74
Q

How can test the brucella??

A

Has A and M , L antigen

Igm appers then igg (in blood

Igm very high in acute cases

75
Q

Most serological diagnostic of brucellosis are based on :

A

Antibody detection

76
Q

Intra cellular bacteria is

77
Q

Teat of barcella ?

A

Tetracycline for 21 days

Microbiology (2 decks)

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