Exam 7 Flashcards

1
Q
  • Humans are the only natural host for
A

N. gonorrhoeae

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2
Q
  • N. gonorrhea is asymptomatic in what sex/ gender
A

Females

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3
Q
  • What special considerations for Neisseria species
A

Very fastidious, sensitive to drying and need to be warm. Need nylon or dacron swabs not cotton, CO2 system JEMBEC, choc or MTM agar

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4
Q
  • What organisms cannot grow in anaerobic bottle because SPS is bactericidal to it
A

Neisseria species

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5
Q
  • Organism taken from a genitourinary swap that has a kidney shape
A

Neisseria gonorrhoeae

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6
Q
  • Organism that can be tested for various genes from a first morning urine using filmarrary method
A

N/ meningitidis

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7
Q
  • What organisms grow best under capnophilic conditions 3% to 7%
A

Neisseria

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8
Q
  • Oxidase pos, GN diplococci from genital site
A

N. gonorrhea

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9
Q
  • Oxidase +, GN diplococci, butyrate esterase +, eye or ear site
A

M. catarrhalis

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10
Q
  • Oxidase +, GN diplococci, from CSF
A

N. meningitidis

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11
Q
  • Vaccine to prevent meningitis in adolescents and young adults A, C W and Y
A

N. meningitidis

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12
Q
  • Organism with narrow temp range of 35-37
A

N species

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13
Q
  • What are the contents of JEMBEC
A

Citric acid and sodium bicarbonate

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14
Q
  • Waterhouse Frederichsen syndrome
A

N. meningitidis rare syndrome that creates adrenal gland issues

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15
Q
  • Fever, frontal headache, stiff neck, photophobia, hearing loss and brain damage
A

Signs and symptoms of meningitis

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16
Q
  • Pt has purpura with petechial skin rash, Oxidase +, GN diplococci
A

Meningococcoemia- N. meninigitidis sepsis

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17
Q
  • What is Waterdouse Frederishsen syndrome and what organism causes it
A

N. meninigitidis, hemorrhage in adrenal glands, hemorrhage

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18
Q
  • What is the treatment for Meningococcemia
A

3rd gen cephalosporin ceptraixone

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19
Q
  • Organism that is normal oral flora in dogs
A

N. weaver

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20
Q
  • Organism that is normal microbiota or the upper respiratory tract
A

M. catarrhalis

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21
Q
  • M. catarrhalis is resistant to penicillin due to its
A

B lactam positivity

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22
Q
  • The Dnase is good for distinguishing
A

M. catarrhalis + and Neisseria –

23
Q
  • Haemophilus species that have the Para prefix only require which factor
A

V (NAD)

24
Q
  • What air conditions do haemophilus need
A

5% to 7% CO2

25
Q
  • What do factor X and V mean, what organism is it referring to
A

Haemophilus, X= heme V= NAD

26
Q
  • Will haemophilus grow on BAP/ SBA? Choc?Why?
A

BAP- No growth- NAD hydrolyzes factor V, Haemophilus is not able to use it
Choc- Yes- made of boiled RBCs allowing factor X and V to release and be used

27
Q
  • Organism that is tan or brown that grows on choc, but not on MAC, SBA
A

Haemophilus

28
Q
  • Which Haemophilus species will demonstrate hemolysis on Horse/ rabbit BA?
A

H. Haemolyticus and H. parahaemolyticus

29
Q
  • Describe how the 2 haemophilus species that grow on Horse/ rabbit SB look on the plate
A

o Parahaemolyticus: beta light
o Haemolyticus: slightly stronger beta

30
Q
  • Explain what the porphyrin test is, what organism is it for
A

Detects the ability for an organism to synthesize its own
X factor with d-ALA. -produces porphobilinogen
H. parainfluenzae (+ does not need factor X) and H. influenzae (- needs but does not make a factor X), shows red orange under UV light if growing

31
Q
  • What organisms can rapid NH help ID
A

Haemophilus species

32
Q
  • What organism smells mousy or like bleach
A

Haemophilus influenzae

33
Q
  • Which strain of Haemophilus influenzae has a vaccine
A

B- it’s the most invasive

34
Q
  • Epiglottitis
A

Airway is obstructed, H. influenzae encapsulated

35
Q
  • What organism can cause a rare endocarditis after a dental procedure
A

H. parainfluenzae

36
Q
  • What organism causes Brazilian purpuric fever
A

H influenzae aegyptius, occurs after conjunctivitis in kids

37
Q
  • Organism with gram stain that looks like a school of fish from a genital swab
A

H. ducreyi

38
Q

What are Achromobacter and others normally resistant to

A

Beta lactams- penicillin, cephalosporin, carbapenems

39
Q

What organisms are in HAECK

A

Haemophilus, Aggregatibacter aphrophilus, Aggregatibacter actino…, cardiobacterium, Eikenella corrodens, Kingella kingae

40
Q

Organism that is recovered from human bites and clenched fist wounds

A

Eikenella corrodens

41
Q

Organism with fruity odor and reduces nitrate to nitrite

A

A. faecalis

42
Q

Organism that pits agar

A

Eikenella

43
Q

Organism that is pale pink on SBA

A

methylobacterium

44
Q

Organism that grows on MAC

A

achromobacter

45
Q

Organism that looks wrinkled

A

Neisseria sicca

46
Q

Organism that moves like a hockey puck

A

Moraxella

47
Q

Organism that smells like apple cider

A

Alcaligenes faecalis

48
Q

Organism that looks moist with a greenish cast

A

N. meningitidis

49
Q

Organism that can cause chancroid- a genital ulcer-

A

H. ducreyi

50
Q

Organism associated with ear infection

A

Moraxella catarrhalis

51
Q

Organisms that causes DGI disseminated gonococcal infection
red dots in back of throat

A

N. gonorrhoeae

52
Q

Organism known to cause pink eye

A

H. aegyptius

53
Q

Only haemophilus species that is not normal flora

A

H. ducreyi