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Infectious Disease > ID Final Pt 1 > Flashcards

ID Final Pt 1 Flashcards

1
Q

Name 3 organisms that cause Bacterial Meningitis. What do they all have in common?

A

Streptococcus pneumoniae
Neisseria meningitidis
Haemophilus influenzae
They all have capsules

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2
Q

What test must be done to confirm Bact. Meningitis?

A

Lumbar puncture

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3
Q

Symptoms of Meningitis

A

FEVER
HEADACHE
STIFF NECK

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4
Q

petechial rash is a sign of:

A

Meningococcal Meningitis

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5
Q

Petichial rash is caused by what organism?

A

Neisseria meningitidis

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6
Q

How is Meningitis acquired?

A

Respiratory

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7
Q

Categories of people more susceptible to Meningitis.

A

College students, military, damaged/no spleen, terminal complement deficiency, microbiologists routinely exposed, traveling to countries where the disease is common

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8
Q

What organism causes Acute Renal Failure in the US? Where is it found?

A

E. coli 0157:H7. Found in contaminated food/unpasteurized milk

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9
Q

___ strain of E Coli is the most important bacterial cause of diarrhea in children in developing countries.

A

ETEC

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10
Q

Major cause of diarrhea in children 6-24 months. Even more severe in developing countries

A

Rotaviruses

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11
Q

2 important viral causes of diarrhea

A

Rotavirus and Norovirus

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12
Q

What organism causes Lyme disease? How is it transmitted?

A

Borrelia burgdorferi (only female). Tick transmits it

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13
Q

How does Lyme disease present?

A

Erythema Migrans (bulls eye rash), facial palsy

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14
Q

If I see a facial palsy first think about what disease?

A

Lyme Disease

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15
Q

Bull’s eye rash (Erythema Migrans) occurs in most people with

A

Lyme Disease

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16
Q

Bull’s eye rash in Meningitis is also called

A

Erythema Migrans

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17
Q

How is Syphilis spread?

A

person to person through direct contact with a syphilis sore

18
Q

Name the 3 groups of helminths

A

Trematodes, Cestodes, Nematodes

19
Q

What do Trematodes look like?

A

Leaf-shaped flatworms

20
Q

What do Cestodes look like?

A

ribbon-shaped flatworms. Rounded head (scolex) and flat segments (proglottids)

21
Q

What are Nematodes?

A

Roundworms

22
Q

Only what 2 organisms can penetrate the skin?

A

Trematodes and Hookworms

23
Q

the most common worm in developed countries

A

Enterobius vermicularis

24
Q

What causes Dental plaque?

A

Streptococcus mutans

25
Q

What causes Subacute Bacterial Endocarditis?

A

Alpha hemolytic Streptococci

26
Q

What’s the most common neck space infection?

A

Ludwig’s angina

27
Q

white patches, thrush (rubbed off). What causes it?

A

Candida albicans

28
Q

__ is a cause of oral infections in newborns and AIDS and immunocompromised patients (indicates poor prognosis).

A

Candida

29
Q

What causes Peritonsillar abscess?

A

Group A Strep

30
Q

What causes Diptheria?

A

Corynebacterium diphtheriae

31
Q

What causes Trench mouth (necrotizing ulcerative gingivitis)

A

Treponema vincentii antibiotic mouthwash

32
Q

7 mo girl tx with amoxicillin for OM. Infection cleared in 4 days, child became irritable and was feeding poorly. PA noted on f/u (follow up) visit creamy white, curdlike patches on the tongue and buccal mucosa. When scraped they were clearly painful and left raw, bleeding surface.
What was found on microscopic exam of the exudate?

A

Candida albicans

33
Q

Name 3 abnormal oral flora

A

Beta-Streptococci, Staphlococci, Neisseria

34
Q

Name 4 abnormal intestinal flora

A

E Coli, Vibrio cholerae, Shigella, Campylobacter

35
Q

Name 6 bacteria that cause infectious diarrhea

A

Salmonella, Campylobacter, E coli, V. cholerae, Shigellla, Clostridium difficile

36
Q

What causes hemolytic uremic syndrome?

A

E Coli 0157 H7

37
Q

What causes Acute Renal Failure?

A

E Coli 0157 H7

38
Q

Most common cause of diarrhea

A

Salmonellae

39
Q

What does Campylobacter jejuni look like? What does it cause?

A

S-shaped Gram negative rods. Causes diarrhea.

40
Q

What bacteria gives rice water stools in diarrhea?

A

Vibrio cholerae

Infectious Disease (6 decks)

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