Micro 17 - Micro By Systems Part 1 Flashcards Preview

DIT Microbiology > Micro 17 - Micro By Systems Part 1 > Flashcards

Flashcards in Micro 17 - Micro By Systems Part 1 Deck (60)
Loading flashcards...
1

What normal flora bacteria do we find in Nose?

Staph epidermidis, staph aureus.

2

What normal flora bacteria do we find in oropharynx?

Viridans group streptococci.

3

What normal flora bacteria do we find in colon?

Bacteroides fragilis and E.coli.

4

What normal flora bacteria do we find in vagina?

Lactobacillus, e.coli, Group B streptococcus (GBS).

5

What are the cause of pneumonia in neonates?

GBS, E.coli.

6

What drugs do we use for pneumonia in neonates?

Ampicillin and gentamicin.

7

What are the causes of pneumonia in 4 weeks to 18 years of age?

RSV, Mycoplasma, C.trachomatis, C.pneumoniae, S.pneumoniae.

8

What are the causes of pneumonia in adults 18-40 years?

Mycoplasma, C.pneumoniae, S.pneumoniae.

9

What are the causes of pneumonia in adults 40-65 years of age?

S.pneumoniae, H.influenzae, Anaerobes.

10

What would be a good antibiotic to use against anaerobes that is causing pneumonia?

Clindamycin.

11

What are the causes of pneumonia in elderly patients?

S.pneumoniae, Influenza, Anaerobes, H.influenzae, G(-) rods.

12

What are two Hospital acquired pneumonia?

MRSA, G(-) rods.

13

What are some causes of pneumonia in immunocompromised patients?

Pneumocystis jirovecii.

14

What type of bacteria do we see in aspiration pneumonia?

Anaerobes.

15

What type of bacteria causes pneumonia in alcoholics/IV drug users?

S.pneumonia, Klebsiella, Staph, anaerobes.

16

What bacteria do we see in patients with cystic fibrosis?

Pseudomonas, S.aureus, S.pneumoniae.

17

What are the three bacteria that cause atypical pneumonia?

Mycoplasma, Legionella, Chlamydophila.

18

What are the causes of meningitis in newborns to 6 months age?

GBS, E.coli, Listeria.

19

What are the causes of meningitis in ages 6 months to 6 years?

Enterovirus (Echovirus, Coxsackievirus), S.pneumoniae, N.meningitidis (purpura formation on skin), H.influenzae type B.

20

What are the causes of meningitis from ages 6 years to 60 years?

S.pneumoniae, N.meningitidis, Enteroviruses, HSV (causes temporal lobe encephalitis).

21

What are the causes of meningitis in patients over the age of 60?

S.pneumoniae, G(-) rods, Listeria.

22

What is one special cause of meningitis in HIV patients?

Cryptococcus.

23

How do we treat meningitis?

Culture bacteria from CSF. Empiric antibiotics treatment (ceftriaxone and vacomycin). Dexamethasone (lowers neurologic sequelae in children, morbidity and mortality in adults).

24

What do we see in the CSF finding of bacterial meningitis?

Pressure ele, WBC count ele, Predominant cell type is neutrophils. Protein ele, Glucose dec.

25

What do wee see in the CSF finding in fungal and TB meningitis?

Pressure ele, WBC count ele, Predominant cell type is Lymphocytes. Protein ele, Glucose, dec.

26

What do we see in the CSF finding in viral meningitidis?

Normal to slightly ele pressure, normal to slightly ele protein. Normal glucose, WBC count ele (but similar seen in bacterial meningitis), Predominant cell type (lymphocytes).

27

What is the most common bacteria seen in osteomyelitis? And what do we use?

S.aureus. Use vancomycin.

28

What is a common cause of osteomyelitis in young sexually active patients?

N.gonorrhoeae. But it will cause more likely a septic joint rather than osteomyelitis.

29

What would be the cause of osteomyelitis in diabetic and drug addicts?

Pseudomonas.

30

What would be the cause of osteomyelitis in sickle cell patients?

Salmonella.