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Streptococcus Flashcards

1
Q

STREPTOCOCCUS is _______

A

Gram POSITIVE COCCI in CHAINS

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2
Q

Both STAPHYLOCCOUS and STREPTOCOCCUS are gram _______

A

POSITIVE COCCI S

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3
Q

STREPTOCOCCUS contain _______ ,_______ , _______ genera

A
  • strepto coccus
  • entero coccus
  • pepto streptococcus
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4
Q

They form _______

A

Chains

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5
Q

Which one has different shapes from others?

A

S. PNEUMONIAE

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6
Q

What is shape of S. PNEUMONIAE?

A
  • PEAR shaped cocci
  • occur in PAIRS

PEAR PAIRS

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7
Q

What is the colony characteristic of PATHOGENIC STRAINS?

A

MUCOID colonies

  • Due to thick capsules
  • Cause PNEUMONIA
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8
Q

Growth requirements?

A

-FASTIDIOUS

Require ENRICHED MEDIUM

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9
Q

STAPHYLOCCOS is FASTIDIOUS? T/F

A

FALSE

  • STREPTOCOCCUS is fastidious
  • staphylococcus grow on simple media
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10
Q

Difference of ENTEROCOCCUS from STREPTOCOCCUS?

A
  • enteric and opportunistic
  • some are MOTILE
  • GROW on MCCONKEY agar
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11
Q

What is appearance of ENTEROCOCCUS on MA?

A

-RED pinpoint colonies

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12
Q

_______ in ANEROBIC

A

PEPTOstreptococcus INDOLICUS

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13
Q

Name the COMBINED etiology of SUMMER MASTITIS?

A
  • PEPTOstreptococcus INDOLICUS

- ARCANOBACTERIUM PYOGENES

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14
Q

They are susceptible to dedication? T/F

A

TRUE

-Survive for short period of the host

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15
Q

_______ groupings are used ?

A

LANCEFIELD

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16
Q

Lancefield groupings are based on ?

A

Group C substance

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17
Q

Only _______ grow on MA?

A

E. Fecalis

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18
Q

_______ hemolytic STREPTOCOCCUS are more PATHOGENIC

A

BETA

Do complete hemolysis

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19
Q

_______ and _______ give ANTI-PHAGOCYTIC properties to some streptococcus

A
  • Polysacharide CAPSULES

- M protein

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20
Q

Colony characteristic of STREPTOCOCCUS

A
  • small
  • TRANSLUCENT
  • HEMOLYTIC

Some are MUCOID

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21
Q

STREPTOCOCCUS colonies are OPAQUE? T/F

A

F

  • Streptoccous= translucent
  • staphylococcus=opaque
22
Q

Name a human pathogen which infects animals?

A

S. Pyogenes

23
Q

S. Pyogenes cause

  • _______ in cattle
  • _______ in dogs
  • _______ in horse
A
  • mastitis
  • tonsillitis
  • lymphangitis
24
Q

Streptococcus CANIS cause _______ and _______ in dogs

A
  • NEONATAL SEPTICEMIA

- TOXIC SHOCK SYNDROME

25
STRANGLES horse shed bacteria for _______ time after clinical signs starting
1 month
26
How to differentiate S. ZOOEPIDEMICUS from S. EQUI on basis of SUGAR FERMENTATION test?
- SORBITOL -ve - LACTOSE -ve Both are MALTOSe +ve
27
Colony characters for S. Equi(STRANGLES)
- MUCOID colony | - WIDE zone of BETA hemolysis
28
Rx for STRANGLES?
Penicillin
29
Name the 3 STREPTOCOCCUS causing STREPTOCOCCAL MASTITIS?
- S. AGALACTIAE - S. DYSGALATIAE - S. UBERIS ADU
30
Which one causes ACUTE mastitis?
Dysgalatiae
31
Which one causes mastitis without signs?
Uberis
32
Which one colonists MILK DUCT?
Agalatiae
33
_______ and _______ streptococcus are found in genitalia and cause MASTITIS
Dysgalatiae | Uberis
34
Which mastitis streptococcus causes POSITIVE CAMP TEST?
Agalatiae
35
_______ causes POSITIVE CAMP TEST
Streptococcus AGALATIAE
36
Out of the 3 mastitis ones, which one cause BETA HEMOLYSIS
S. DYSGALATIAE Other two cause ALPHA hemolysis
37
S. Agalatiae formed _______ pattern of COMPLETE HEMOLYSIS in CAMP TEST
ARROW HEAD
38
_______ and _______ bacteria are used for CAMP TEST
- S . Agalatiae | - S. Aureus
39
3 type of hemolysis of streptococcus?
- alpha - beta - gama
40
alpha hemolysis of STREPTOCCUS
- incomplete | - with GREENISH zone around colonies
41
Beta hemolysis of Streptococus?
-COMPLETE
42
Gama hemolysis of STREPTOCOCUS?
-no changes
43
Which mastitis one, grows on EDWARDS MEDIUM
UBERIS
44
_______ hydrolysis occur in EDWARDS MEDIUM
Aesculin
45
Lancefield grouping of - agalatiae - dysgalatiae - uberis
- B - C - not assigned
46
Lancefield grouping of streptococcus PYOGENES
A
47
Chronic mastitis is caused by which streptococcus
S. Agalatiae
48
S. Pyogenes cause _______ ,_______ ,_______ in man
- SCARLET fever - Septic SORE THROAT - RHEUMATIC fever
49
Out of STAPHYLOCCOCUS and STREPTOCOCCUS , which one is associated with PNEUMONIA
-STREPTOCOCCUS is associated with PNEUMONIA
50
Are streptoccous motile or non motile?
NON MOTILE Similar to streptococcus

Microbiology (5 decks)

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