Block 10 > micro: gram - enteric rods > Flashcards

micro: gram - enteric rods Flashcards

(53 cards)

Study These Flashcards
1
Q

Are enteric rods facultative organisms? What does this mean?

A

Yes, grow in presence or absence of O2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Gram (-) enteric rods are known to cause what diseases?

A

Diarrhea and fevers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How does being encapsulated help gram (-) enteric rods?

A

Helps resist phagocytosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Resistance in gram (-) enteric rods is transmitted by ______________

A

Plasmids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Can resistance in gram (-) enteric rods transfer between species?

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

E. coli toxins LT and ST cause _____________________

A

Traveler’s diarrhea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

E. coli verotoxin cause ________________

A

Bloody diarrhea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the most common cause of UTI?

A

E. coli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

E. coli grows on ____________ agar

A

MacConkey

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

E. coli has been identified in the ____________ flora of diabetics

A

conjunctival

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

E. coli has been implicated in cases of what 3 ocular issues?

A

Panophthalmitis, Keratitis, Conjunctivitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Elizabethkingia anophelis is found where?

A

Gut of anopheles mosquito

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

E. Anophelis may cross the placenta as it is a cause of _________________

A

Neonatal meningitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What physical symptoms are common from E. Anophelis?

A

Fever, Shortness of breath, Chills, Cellulitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

E. Meningosepticum was isolated in microbial keratitis and is associated with _________________

A

Soft contact lens wear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is shigella?

A

bacillary dysentery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Bacillary dysentery causes __________________

A

Montezuma’s revenge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What are the 4 F’s of transmission in Montezuma’s revenge?

A

Feces, Fingers, Food, Flies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Patients with worsening Sjögren’s syndrome have increased gram (-) bacteria especially _________ and __________ in the ______________ flora

A

E. Coli and shigella

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Can shigella penetrate an intact corneal epithelium?

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Salmonella typhimurium and Salmonella enteritidis causes what disease?

A

Gastroenteritis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Salmonella typhi and salmonella paratyphi causes what disease?

Study These Flashcards
A

Enteric or typhoid fever

23
Q

Salmonella grows on what agar?

Study These Flashcards
A

MacConkey and Hektoen agar

24
Q

Salmonella ferments __________ and ________ BUT not __________ and ____________

Study These Flashcards
A

Glucose and mannose, Lactose and sucrose

25
Salmonella produce _______________, which contributes to its notorious smell. What is the smell?
Produces hydrogen sulfide, Rotten eggs
26
Salmonella enteridis is a ___________borne illness
Foodborne
27
Signs of salmonella enteridis
Fever, diarrhea
28
Klebsiella causes ???
UTI and pneumonia
29
Klebsiella is often associated with ______________ appliances
Hospital
30
Does serratia marcescens ferment lactose?
Yes but slowly
31
Does Serratia marcescens have a capsule?
No
32
How does Proteus mirabilis move?
It is Rapidly motile and swarm on plates
33
Vibrio cholera causes what disease?
Rice-water diarrhea with massive water loss
34
Contraction of Vibrio cholera is associated with contaminated ___________
Water
35
How can Vibrio cholera rods be identified?
Shape, short curved rods
36
Vibrio cholera can be isolated on what?
Blood and MacConkey agar
37
Vibrio cholera is oxidase ______
positive
38
Campylobacter jejuni shape/form
S shaped
39
Does Campylobacter jejuni ferment?
Does Not ferment
40
What is the selective media for Campylobacter jejuni?
Skirrow media - reduced O2
41
Campylobacter symptoms
Bloody Diarrhea and fever
42
Post campylobacter infection is associated with the development of ________________
Guillan Barre Syndrome
43
How can Helicobacter pylori be identified?
Spiral-shape
44
Helicobacter pylori can be isolated on what agar?
Skirrows agar, chocolate agar with antibiotics
45
Helicobacter pylori is oxidase ______, catalase ______
Positive, Positive
46
Helicobacter pylori produces ____________
Urease
47
Helicobacter pylori causes ___________And facilitates growth in what way?
gastric ulcers, Produces toxins and ureases to neutralize pH
48
How can Helicobacter pylori be diagnosed?
Urease breath test
49
SIBO is associated with what condition?
Rosacea
50
What does SIBO stand for?
Small intestinal bacterial overgrowth
51
How can SIBO be diagnosed?
+ lactulose test or hydrogen breath test
52
Treatment for SIBO
Rifaximin - 10 day course
53
Gram (-) enteric rods differentiate on ___________ agar
MacConkey
Block 10
flashcards
Decks in class (32)
# Cards
Brainscape helps you reach your goals faster, through stronger study habits.
© 2026 Bold Learning Solutions. Terms and Conditions