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mlt 204 > Exam 1 study guide > Flashcards

Exam 1 study guide Flashcards

1
Q

Define normal flora

A

Bacteria that inhabit the microbiome without causing disease

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2
Q

Define pathogen

A

Bacteria/Viruses that can cause disease

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3
Q

Normal skin flora

A

Staphylococcus
Micrococcus
Propionibacterium
Diptheroids
Candida

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4
Q

Normal oropharynx flora

A

S. epidermis
S. aureus
Streptococci
Diphtheroids
Moraxella catarrhalis

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5
Q

Mouth normal flora

A

S. epidermis
S. mitis
Peptostreptococcus
Bacteroides

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6
Q

Normal GI flora

A

Bacteroides
Clostridium
Enterobacteriaceae
Enterococcus
Lactobacillus
Streptococcus

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7
Q

Normal nose flora

A

S. epidermis
S. aureus
Diptheroids
Streptococcus
Haemophilus

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8
Q

Normal genitourinary flora

A

Lactobacillus
S. epidermis
S. aureus
Group B Streptococcus
Diptheroids
Enterococcus

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9
Q

Gram stain procedure

A

Crystal violet
Rinse
Gram’s Iodine
Rinse with Decolorizer
Rinse
Safranin

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10
Q

Gram negative vs. Gram Positive

A

Gram positive bacteria have a thick peptidoglycan cell layer. Gram negative bacteria have a secondary outer membrane

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11
Q

Epidemiology

A

Study of occurrence and distribution of disease and factors involved

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12
Q

Epidemic

A

Disease affects large number of people in specific geographic area

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13
Q

Endemic

A

Organism or disease is constantly present in a population
ex. malaria, cholera

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14
Q

Pandemic

A

Worldwide, exponential epidemic

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15
Q

Nosocomial infection

A

Healthcare associated illness

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16
Q

Community acquired infection

A

Exposure through daily life (direct and indirect)

17
Q

Biosafety cabinet used in most labs

A

Class II Laminar Flow

18
Q

Process that kills all forms of microbial life

A

Sterilization

19
Q

Process that destroys pathogenic organisms but not necessarily all microbial life

A

Disinfection

mlt 204 (1 decks)

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