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GATEWAY > Micro Unit 1: Intro to Medical Microbiology > Flashcards

Micro Unit 1: Intro to Medical Microbiology Flashcards

1
Q

3 domains of living things

A

Bacteria, Archaea, Eukarya

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2
Q

3 processes of evolution

A
  1. development of increasing complexity of the genome and phylotype (can’t be observed)
  2. minor genetic changes leading to modifications in pathogenicity, host range, drug resistance
  3. natural selection (can be observed)
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3
Q

Examples of genetic changes in organisms leading to increased pathogenicity

A

Syphilis, Spanish flu

can also cause decrease in virulence, ex. Scarlet fever

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4
Q

Examples of genetic changes leading to different host range

A

AIDS (started in primates), SARS (civets or bats)

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5
Q

Examples of genetic changes leading to drug resistance

A

Staph used to be antibiotic sensitive

HIV resistant to some antivirals

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6
Q

Examples of infections becoming rare due to improved public health or medical practice

A

Public health: clean water –> decreased cholera, clean air –> decreased TB

Vaccines

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7
Q

Conditions with unknown etiology that MIGHT be infectious

A 
Alzheimer's 
MS
T2DM
Obesity
Heart attack and stroke
Crohn's disease
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