Coryne diptheriae Flashcards

1
Q

C. diptheriae is a

A

gram positive bacillus

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

V+Y design on the instrument means

A

C.dipth forms V- Y shaped chains

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

why does c.diph forms v or y shaped chains

A

unique snapping division during cellular respiration

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

Cytoplasm contains…

A

metachromatic granules

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

what does the toxin of c.diph employ

A

mechanism of ADP riboslyation to inhibit elongation factor

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

exposure to this toxin lead to

A

cell necrosis and formation of dense, grey pseudoemembrane

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

laryngeal diphtheria can result in

A

cervical edema and cervical lymphadenopathy

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

how is c.diph primary transmitted

A

respiratory droplets

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

systemic absorption of diptheria can result in

manifesting as

A

cardiac toxicity

myocarditis

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

can induce what

A

demyelination

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

where does demyelination take place

A

posterior pharyngeal wall and soft palate

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

what allows the growth of c.diph

A

Tellurite agar

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

what does c.diph form on agar

A

gray/black colonies

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

can also be cultivated on what medium

A

Loeffler’s

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

What is the ELEK test used for

A

to differentiate toxigenic strains from non-toxigenic strains

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

what does the vaccine consist of

A

inactivated form of the diphtheria exotoxin

17
Q

Fragment B binds host CD-9 and …

A

herapin-binding epidermal growth factor

18
Q

DT stimulates

A

protective antitoxin Abs