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Flashcards in Microbiology Deck (67):
1

Organism that ferment lactose on Maconkey Agar appear what color

Pink

2

Organism that ferment lactose appear what color on EMB

Black

3

Enrichment Medium ?

A medium that contains special growth factors like H Flu and Clostridium

4

Common presentation of CMV in HIV patients is what two things

Retinitis and linear esophageal ulcers

5

Pneumonitis is seen in individuals after an organ transplantation in the case of what virus

CMV

6

Disseminated CMV can cause diarrhea in what situation

When co infected with hepatitis

7

Why does infection with N. Gonorrhea not result in long lasting immunity

Because the surface proteins are constantly going under variations and modify the outer membrane proteins.

8

Neisseria can cause an inability to form membrane attack complexes why?

Because multiple infections with this can cause terminal depletion in complement

9

Two examples of a differential medium

MaConkey and Eosin Methylene Blue (EMB)

10

Burn victims get bacterial infections from what bacteria

Pseudommonas

11

what are the two cephalosporins that treat Pseudomonas

Cefepime (4th) and Ceftazidime (3rd)

12

ahminoglycosides that treat pseudomonas

tobramycin, gentamicin, amikacin

13

carbapenems that treat pseudommonas

imipenum and meropenem

14

what drug is affective against lyme disease

Doxycycline

15

what is the one fluoroquinolone that is not affective against pseudommonas

moxifloxacin

16

drug of choice for:
- P. Jirovcii
- Nocardia
- Toxoplasma

TMP-SMX

17

strongyloidiasis is common in what region

South Asia

18

treatment for strongyloidiasis

Ivermectin

19

what is a good way to detect strongyloides

rhabiditifrom larva in the stool

20

how to diagnose Shistosomiasis

eggs in the stool

21

what is the name of the parasite that causes itchy anus (pinworms)

Enterobius Vermicularis

22

how to detect Giardia lamblia

trophozoites and cysts in the stool

23

three intestinal tapeworms are?

Taenia Solium, T Saginata and Diphyllobothrium

24

what bacteria is capable of surviving past the boring point of 100 and is found in soil

BAscillus Anthraticus

25

how do Bacillus Anthrax and Clostriudm survive boiling temperatures?

by forming spores

26

how to kill spore forming bacteria?

autoclave

27

N meningitides enters the blood stream and colonizes where before entering the meninges

choroid plexus

28

what condition causes bilateral adrenal hemorrhage, adrenal insufficiency, brisk hypotension and death? what is the over all cause of this condition

Waterhouse-Friderichsen Sundrome. Meningococcemia

29

what spreads like this:
pharynx - lymphatics - meninges

H. INfluenza

30

what spreads like this
- middle ear-contagious tissue- meninges

S. Pneumo

31

what spreads like this:
traumatic wound-leaking CSF-meninges

A. Areus

32

what spreads like this:
pull. lung focus-blood-meninges

M. TB and S. Pneumo

33

M TB commonly affects which meninges

basal meninges

34

what is characterized by monocytes and lymphocytes in the CSF and lung focus

M. TB

35

what blocks the CHT transporter that brings Choline into the Neuron

Hemicholinium

36

What stops Choline from becoming Acetylcholine (ChAT)

Bromoacetylcholine

37

what prevents acetylcholine from being packaged into vesicles

Vesamicol

38

what poisons are competitive antagonist to muscarine ACH receptors

Atropine and Scopolamine

39

what will show many neutrophils but no bacteria and the patient will have hyponatremia and watery diarrhea

Legionella

40

What is known as a high fever in smokers accompanied by diarrhea, confusion and cough

Legionnaires Disease

41

what is a common way to diagnose Legionella

Legionella antigen in the urine

42

what is the respiratory fluoroquinolone and macrolide that treats Legionella

-levofloxacin
-azythromycin

43

blood concentration of LOS (lipoligosaccharides) is seen in patients who have fever and dizzines, what is the organism

N. Meningitis

44

LOS (LPS) of N. meningitis acts as a what and is responsible for the toxic effects of this bacteria

Endotoxin

45

LOS interacts with Toll like receptor 4 and produces what four things that lead to sepsis in N. meningitis patients

- TNF-a
- IL-8
-IL-6
- IL-1B

46

the petechia seen in meningococcemia is due to what?

LOS

47

which group of people can likely get a secondary bacterial pneumonia after having influenza A (S. Aureus)

old people

48

order of the pathogens most responsible for secondary bacterial pneumonia after the flu

S. Pneumo
S. Aureus
H. Influ

49

anogenital squamous cell carcinomas have been linked to what infection

HPV

50

what is known to cause encephalitis that will present with ring enhancing lesions in the frontal lobes of the brain, fever, headache

Toxoplasma Ghondii

51

what is the treatment for T. Ghondii

Pyrimethamine and Sulfadiazine

52

what you replace Sulfadiazine with in patients with T. Ghondii and a sulfa allergy

Clindamycin

53

treatment for Cryptococcal Meningitis

Amphotericin B (Flucytosine)

54

listeria is treated with

Ampicillin

55

Ganciclovir treats what virus

CMV

56

what is the second most common cause of ring enhancing lesions in the brain after T. Ghondii in AIDS patietns

Primary Central Nervous System Lymphoma (large cell Non Hodgkin Lymphoma)

57

normal CD4 count for adults?

400-1400

58

what is the most common cause for community acquired pneumonia in an immunocompromised individual

S. Penumo

59

school aged children with atypical pneumonia is usually due to

Mycoplasma Pneumonia

60

thin, off white vaginal discharge with a FISHY odor and no inflammation?

Gardnerella Vaginalis

61

think, yello-green discharge and frothy discharge, malodorous and vaginal inflmmation

Trichomonas Vaginalis

62

thick COTTAGE CHEESE discharge with vaginal inflammation

Candida

63

clue cells and a positive whiff test is indicative of what

Gardnerella

64

treatment for Gardnerella

metronidazole or clindamycin

65

treatment for Trichomonas?

metronidazole. TREAT PARTNER

66

treatment for Candida Vaginalis

Fluconazole

67

Anaerobic gram negative rod that causes bacterial vaginosis?

Gardnerella