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I&I > Infectious Agents > Flashcards

Infectious Agents Flashcards

1
Q

Common viral infections?

A

Upper respiratory tract- rhinovirus, influenza, RSV

Gastroenteritis- norovirus, rototvirus, adenovirus

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2
Q

Healthcare Infections?

A

norovirus

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3
Q

Function of cytoplasmic inclusion?

A

stores nutrients, secretory products, pigment granules

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4
Q

Function of fimbria?

A

adheres to another bacteria or cell

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5
Q

What’s gram + ?

A

Cell wall which is: thick, peptidoglycan + attached w lipoteichioc acids ⦚⦚

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6
Q

What’s gram - ?

A

Cell wall which is: thin, inbetween has antigens attached to 2nd

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7
Q

Common 🐛 infections?

A

UTI , pharyngitis

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8
Q

Hospital 🐛 infections?

A

post op wound infections, ventilator associated pneumonia

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9
Q

Doubling time of binary fission?

A

20-30mins

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10
Q

Virus size?

A

20-300nm

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11
Q

🐛 size?

A

0.5-3µm

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12
Q

🍄 size?

A

≥2µm

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13
Q

Reproduction of 🍄?

A

Telemorph OR

Anamorph (Asexual)

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14
Q

Type of 🍄 infection?

A

Superficial mycoses - 🏻,💅,hair,mucous membranes
Subcutaneous mycoses - mycetoma
Systemic mycoses - histoplasmosis

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15
Q

Eg of multicellular parasite+size?

A

Helminths

🔬 or 👁

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16
Q

Eg of single cell parasites + size?

A

Protozoa (plasmodium, Entamoeba histolytica)

5-300µm

17
Q

How to see 🐛 , 🍄, Protozoa?

A

💡🔬 x400-x1000

18
Q

How to see virus?

A

e-🔬 x40,000

19
Q

How do unstained 🐛 look?

A

MOTILE- w flagella 🏃

NON MOTILE- Brownian motion

20
Q

Gram + colour?

A

blue/purple

21
Q

Gram - colour?

22
Q

Cocci?

23
Q

Rods/bacilli?

A

🛢or 🌭

24
Q

Streptococci?

A

Gram + cocci in chains

25
Q

Staphylococci?

A

Gram + cocci in clusters

26
Q

Diplococci?

A

Gram + cocci in pairs

27
Q

Bacillus anthracis?

A

Gram + rod in __ __ _ _

28
Q

Carynebacteria?

A

Gram + rod in – - / /–

29
Q

Clostridium perfingens?

A

Gram + rod in ▉ ▉

30
Q

Kidney bean?

A

Gram - cocci in pairs

31
Q

Neutrophil?

A

Gram - cocci in pairs

32
Q

Escherichia coli?

A

Gram - rod – - / /–

33
Q

Vibrio cholerae?

A

Gram - vibrio ~~⦚⦚~

34
Q

Spirachaete eg leptospira

A

Silver stain curly lines

I&I (4 decks)

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