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Flashcards in MicroBioFinal Deck (101)
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61

where does Krebs Cycle occur during Prokaryotic Cellular Respiration?

in the cytosol

62

what is the final electron acceptor for obligate anerobes?

anything but oxygen

63

how much ATP is produced during electron transport for Aerobic Cellular Respiration?

34 ATP

64

how does UV light kill bacteria?

by damaging DNA

65

define degerming

removing microbes from a limited area

66

barring allergies, why doesn't Penicillin hurt us?

we do not make peptidogylcan

67

where do we get most of our antibiotics from?

other bacteria

68

what do quinolones do?

attack DNA gyrase

69

name the 2 biggest reasons that antibiotic resistance has increased dramatically in the last 50 years

1. *overuse in farm animals
2. being flushed down the toilet

70

which antibiotic resistant protein pumps the antibiotic back out of the cell?

rapid efflux pumps

71

which phage administration techniques seem to have the lowest interference from the immune system?

orally; locally

72

which environmental sources that we interact with daily contain large numbers of bacteriophage?

water and food

73

MRSA
which enzyme does MRSA use to degrade the antibiotics we try to use against it?

beta lactamase

74

MRSA
which toxin does MRSA release that causes disease symptoms?

alpha toxins (exotoxins)

75

MRSA
where do healthy people carry MRSA?

normal flora (nares)

76

MRSA
what is the preferred antibiotic to use against MRSA at this point?

IV Vencomyicin

77

MRSA
according to 2002 data, what percentage of nosocomial infections were MRSA infections?

10%

78

Plague
which organism causes plague?

Yersinia* Pestis (UNDERLINE!)

79

Plague
which symptom marks the beginning of secondary pneumonic plague?

bloody sputum

80

Plague
how long do you have after the 1st symptoms to treat pneumonic plague?

18 hours

81

Plague
what is the death rate for untreated pneumonic plague?

100%

82

Lyme
what bacterial cell shape does Borrelia burgdorferi have?

spirochete

83

Lyme
which key feature do you look for to detect Early Localized Lyme?

stiff neck or target lesions

84

Lyme
how are we told to prevent Lyme disease today?

1. check yourself and pets for ticks after being in wooded areas and grassy areas
2. making sure that head of tick is completely removed

85

AIDS
name the 4 body fluids you can get HIV from

seminal fluid, vaginal secretions, blood, breast milk

86

AIDS
what is the clinical definition of AIDS?

less than 200mL of T helper cells per mL of blood

87

AIDS
what do protease inhibitors do?

prevent assembly of new virus

88

AIDS
if we want to functionally cure someone, when do we need to start treatment?

within 6 weeks of exposure/infection

89

Chicken Pox
name on method of transmission for chicken pox

contact aersol

90

Chicken Pox
where does the chicken pox virus remain for the rest of your life in a (usually) dormant state?

nervous system tissue