Infectious Disease -- Bacteria II bonus questions from the packet Flashcards Preview

Pathology -- Infectious Disease > Infectious Disease -- Bacteria II bonus questions from the packet > Flashcards

Flashcards in Infectious Disease -- Bacteria II bonus questions from the packet Deck (30)
Loading flashcards...
1
Q

Strep pneumo, E Coli, N. meningitidis, H flu type B.

Which ones are exogenous?

A

N. meningitidis

H. flu

2
Q

Which is more deadly, Sepsis/DIC or meningits

A

Sepsis/DIC

3
Q

Which types are bacteria are prone to NOT cause DIC

A

G Positives are not interested in causing coagulation like crazy. Its the negative ones that want to see the world clot.

4
Q

Capsule type for S. pneumo, N. meningitidis, N. gonorrhea, H influenzae

A

Pneumo – Penumococcal Protein C
N. miningitidis – LPS
N. gonorrhea – LOS
H. flu – LPS

5
Q

Source of most cases of community-acquired, lobar pneumonia

A

Strep. pneumo

6
Q

Most common cause of death in influenza

A

S. pneumo

7
Q

Most important virulence factor in S. pneumo?

A

PspC
The protection it provides requires active complement components (C3) and the production of antibodies to be produced to allow phagocytosis

8
Q

Pathology seen in S. pneumo

A

Puruent lesions with creamy, white pus

In Pneumonia – alveoli filled with fluid+neutrophils

9
Q

Neisseria have complex nutritional requirements, such as…

A

Iron

10
Q

N. meningitidis petechial rash is especially prevalent on…

A

Earlobes and extremities

11
Q

N. meningitidis can cause hemorrage into the adrenal. What’s this called?

A

Waterhouse-Friderichsen syndrome

12
Q

Severe H. flu disease is most commonly seen in what age range

A

1-6

Much less common since vaccination

13
Q

Symptoms of H. flu (Type B) invasive disease

A

Meningitis
Pneumonia
Epiglottitis

14
Q

What does the 3 months - 3 years represent?

A

The period in which young children are unable to make good antibodies in response to type b capsular antigens

15
Q

Moraxella catarrhalis has an exotoxin similar to….

A

Neisseria

16
Q

DPT vaccine makes antibodies that bind onto

A

pertussis exotoxin

17
Q

Difference inPertussis concentrations of dTAP and Tdap

A

DTap – built for kids under 7, higher pertussis conc.

Tdap – intended for ages 10 and up

18
Q

Average age of a diptheria patient?

A

2-15 yo

19
Q

Cellular changes caused by diptheria exotoxin

A

Fatty myocardial changes, myofiber necrosis, and polyneuritis

20
Q

Three types of patients who should really watch out for pseudomonas

A

CF, Severe Burns, Neutropenia

21
Q

Pseudomonas “blue haze” is associated with…

A

Thrombosis and hemorrhage

22
Q

Pseudomonas forms biofilms with…

A

Protective exopolysaccharide

23
Q

Pseudomonas induces tissue injury with…

A

Phospholipases

Iron containing compounds toxic to endothel. cells

24
Q

Pseudomonas often co-infects with

A

Burkholderia cepacia complex

25
Q

Who is most likely to get Legionella

A

Individuals with pre-disposing lung/heart disease

Organ transplant recipients

26
Q

Purpose of H. pylori urease?

A

Creates protective layer of ammonia around the organism

27
Q

What part of the stomach is H. pylori commonly found in?

A

Antrum

28
Q

H. pylori causes ___% of duodenal ulcers

Nearly __% of affected adults are asymptomatic

A

90

50

29
Q

How does PsPA block alternative complement pathway?

A

Interferes with complement factor B

30
Q

Pneumolysin binds to

A

Fc region of IgG