microbiology Flashcards

1
Q

Obligate aerobes

A

Nagging pests must breath

Nocardia, pseudomonas, mycobacterium tuberculosis, bacillus

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2
Q

Obligate anaerobes

A

Anaerobes can’t breath air

Actinomyces, bacteriodes, clostridium.

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3
Q

Obligate intracellular

A

Really cold

Rickettsia, chlamydia

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4
Q

Facultative intracellular

A

Some nasty bugs may live facultatively

Salmonella, nisseria, brucella, mycobacterium, listeria, franciella, legionella, yersinia pestis

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5
Q

Encapsulated bacteria

A

Quelling reaction present ( capsule swelling). Remember to vaccinate in asplenic patients.

Shine skis: strep pneumo, heamophilus influ, ecoli, nisseria, salmonella, group b strep, klebsiella

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6
Q

Catalase positive organisms

A

PLACESS

Pseudo, listeria, aspergillosis, candida, ecoli, serration, staph auerus

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7
Q

major virulence factor for strep A

A

Protien M: inhibits phagocytosis, complement, causes adherence and is the target for humoral immunity

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8
Q

toxic shock syndrome is mediated by what cell types?

A

macrophages and T lymphocytes

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9
Q

infection that can cause + mono spot

A

CMV

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10
Q

Heterophil negative mono caused by? (3)

A

CMV, Listeria, Toxoplasma

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11
Q

EBV can cause

A

burketts lymphoma, hairy leukoplakia, hodgkins lymphoma, nasal pharnygeal carcinoma

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12
Q

CMV appearance on cytology

A

owl’s eyes

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13
Q

viral cause of kaposi’s sarcoma

A

human herpes 8

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14
Q

viral cause of roseola infantum

A

human herpes 6, high fevers but no other signs of infections. the fever will break and then cause a whole body rash for several hours

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15
Q

virus from monkey bites!

A

Human herpes virus 7

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16
Q

Hep A. family? morphology? pathology?

A

piconarvidae, ssRNA virus, incubation 3 weeks then signs of liver failure

17
Q

HBsAg

A

Active disease

18
Q

HBsAntibody

A

recovered infection

19
Q

core antigen

A

new disease

20
Q

core antibody

A

sign of past disease or chronic disease

21
Q

HB e Ag

A

contagious

22
Q

HB E antibody

A

not very contagious

23
Q

Live attenuated vaccines

A

small pox, yellow fever, chickenpox, polio (sabin), and MMR

24
Q

Inactivated (killed) vaccine?

A

Rabies, Influenza, Polio (salk), Hep A

RIP, Always

25
Q

recombinant vaccine?

A

Hep B(HBsAg), HPV (6,11,16,18)

26
Q

Delta agent

A

Hep D. Only infects people with Hep B.
Causes acute when coinfect together or a superinfection in a chronic hep B carrier.
the Hep D virus is considered placating defective because it must be coasted by the external coat antigen HBsAg of Hep B

27
Q

Organisms that produce mono symptoms but can have a negative mono spot test

A

CMV, HHV-6, Toxoplasmosis

*EBV can have mono symptoms but if its producing mono symptoms it will have a positive monospot

28
Q

H Pylori morphology

A

Gram neg., urease pos. curved bacilli

29
Q

most common site for S. Aureus colonization (including MRSA)

A

anterior nares