Chapter 4: Infectious Diseases Flashcards Preview

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Flashcards in Chapter 4: Infectious Diseases Deck (79):
1

Name Bacterial Diseases:

Impetigo
Tonsilitis
TB
Actinomycosis
Syphillus
Acute NUG
Perocoronitis
Acute & Chronic Osteomyselitis

2

Impetigo is caused by by 2 types of bacteria

STREP Pyogenes and staph aureus

3

How does impetigo start to infect the host?

Needs a break in the skin for entry

4

What's impetigo most common in and what does it look like?

common in kids; looks like vesicles/bullae around chin

5

What does tonsillitis mean

inflammation of the tonsils

6

MOST IMPORTANT bacteria responsible for Tonsillitis

group A - BETA hemolytic streptococci (think strep throat)

7

What bacteria causes TB?

mycobacterium TB

8

What type of inflammatory disease is TB?

granulomatous inflammatory disease

9

How is TB transmitted?

via respiratory droplets

10

Which lympocyte does the TB bacteria multiply in?

Macrophage

11

*What are 4 S/SX of TB?

1. Persistant Cough
2. weightloss
3. night sweats
4. fatigue

12

*What are 2 common oral lesion sites as a result from TB?

TONGUE AND PALATE

13

What type/# of hypersitivity is the TB Skin test?

Type 4: Delayed

14

What does a positive TB Test mean?

It indicates PREVIOUS exposure not an ACTIVE disease

15

Does a positive TB test mean you have the active TB?

NO; it means you were previously exposed to it

16

What are 2 anti-TB drugs?

1. INH (isoniazid)
2.Rifampin

17

After how long is a person with TB non-infectious of starting starting drug therapy?

2 weeks

18

Actinomycosis is caused by what? is it fungal or bacterial? and where does it live?

(BACTERIA)Actinomyces israelii (Gram + anerobe)
-Normal inhabitant of tonsillar crypts

19

The suffix (-cosis) = fungal disease, except for WHICH bacteria disese?

Actinomycosis

20

*Is Actinomycosis a fungal disase

NO

21

**Characteristic manifestation of Actinomycosis

abscesses that end to drain by the formation of sinus tracts

22

What type of granules form in Actinomycosis?

SULFUR granules ; colonies of of organisms appear in pus as bright yellow grains

23

Syphillus is caused by what bacteria?

Treponema Pallidum (spirochete)

24

The bacteria for syphillus needs what to get into skin?

penetrates intact mucosa through a break in skin

25

The bacteria Treponema Pallidum causes what?

Syphillus

26

Can syphillus pass transplacentally?

YES! and direct sexual contact & blood transfusion

27

*Whats the primary lesion associated with primary syphillus?

CHANCRE sore "Shanker/SSyphillus"

28

Whats the treatment for syphillus?

most heal after 2-4 weeks but the disease enters latent period

29

Secondary syphillus occus where?

Mucous membranes

30

Are all types of syphillus lesions highly contagious?

NO, gummas (3) aren't infectious

31

*What does secondary syphillus look like?

Mucous patches (multiple, painless, gray-white plaques covering ulcerated mucosa)

32

*Teritary syphillus has localized lesions called what? and are they infectious?

GUMMAS; NON-INFECTIOUS

33

What are the 3 different lesions for PRimary, Secondary, and Tertiary syphillus

1- Chancre
2- Mucous patches
3- Gummas

34

syphillus lesions acronym

CMG

35

Congenital syphillus is transmitted how?

Infected mother to fetus; organism CROSSES through placenta

36

Can an organism cross the placenta?

YES!

37

What are the Hutchinson’s triad FROM CONGENITAL SYPHILIS

1- 8th cranial nerve deafness
2- hutchinsons incisors (hypoplasia)
•very flat incisal edge
3- mulberry molars (hypoplasia)
•blobs on enamel

38

Which nerve is affected with congenital syphillus?

8- vestibularcochlear

39

What bacteria causes acute NUG?

Trepomena denticola

40

What bacterial disease does Trepomena denticola cause?

Actue NUG

41

Where does Acute NUG occur and does it preceed a vesicle?

NO! it occurs on gingiva

42

*What is pericoronitis?

Inflammation of mucosa around the crown caused by bacteria in pocket of a PARTIALLY erupted impacted tooth

43

** Most common location of pericornitis?

MANdibular 3rd molar

44

What does pericornitis look like

operculum

45

What bacterial disease has acute inflammation of bone and bone marrow

Acute Osteomyelitis

46

What organism causes Acute Osteomyelitis?

Staph Aureus

47

Acute Osteomyelitis is most commmon where?

on mandible

48

What results from Acute Osteomyelitis?

Periapical abscess

49

Chornic osteomyselitis appears ____________ in a radiograph

radiopaque

50

Types of Fungal Diseases:

-Candidiasis
-Psudomembranous candidiasis
-Erythematous candidiasis
-Chronic hyperplatic Candidiasis
-Angular Chilitis
-Median Rhomboid glossitis
-Mucormycosis

51

Thrush is another name for

candidiasis "Moniliasis"

52

Whats the most common oral fungal infection?

Candida Albicans (yeast infection)

53

What are the causes of fungal diseases? (be able to list 2)

-prolonged antibiotics
-chemotherapy
-steroid therapy
-systemitic conditions:
- diabetes & HIV
-infancy ( weak immune)
-XEROSTOMIA

54

Can xerostomia cause a fungal disease?

YES! think Epulis fissuratum

55

which Type of oral candidal infection scapes off to reveal raw bleeding area:
1. Psudomembranous Candidiasis
2.Erythematous Candidiasis
3.Chronic hyperplastic
4. Angular Cheilitis
5. Median Rhomboid Glossitis
6. Mucormycosis

Psudomembranous candidiasis (psudo till you scrape it)

56

Most common oral form of CANDIDIASIS?

Chronic Atrophic candidiasis

57

Which fungal infection is AKA Perleche

Angular Chelitis (think leche stain on lips)

58

Which fungal disease has a red elongated lesion on doral surface of tongue?

Median rhomoid glossitis

59

Deep fungal infections affect the lungs except one
-Histoplasmosis
-Coccidiomycosis
-phycomycosis
-Cryptococcosis

Phycomycosis

60

Mucormycosis is AKA

Phycomycosis

61

Phycomycosis "Mucormycosis" is found in ________ and detroys what part of the skull

soil; destroys maxilla

62

What are the 3 conditions of the Papillomavirus

1. Verruca Vulgaris
2. Condyloma Acuminatum
3. Focal Epithelial Hyperplasia

63

The common wart is AKA and is what type of disease?

The common wart is also known as Verruva Vulgaris and its a VIRAL infections (HPV)

64

what is Condyloma Acuminatum and how does it appear in the mouth?

Its a benign STD papillary lesion causes HPV.
- it appears as pink exophytic mass

65

HPV related Heck's disease is also known as

_H for H
- also known as Focal Epithelial hyperplasia

66

what does focal epithelial hyperplasia look like in the mouth

white warts all over

67

In the latent stage, is herpes clinically detectable?

no.

68

Herpes affects what in the cell?

DNA

69

is herpes treatable?

NO, only use antivirals to treat symptoms

70

Whats the only infection preceded by vesicles

HERPES (primary herpetic gingivostomatitis)

71

HSV 1 most commonly occurs?

on movable mucosa, but can occur anywhere in oral mucosa

72

Which herpes 1,2,3 is crops of ulcers precede by vestibules

Herpes Type 1

73

Which type of herpes is a cold sore/blister?

Recurrent herpes simplex
(common on vermillion border) think people who always get cold sores, get them all the time "recurrent"

74

*where does herpes whitlow occur?

INDEX Finger (HSV 1)

75

Which is the most Common STD?

HSV 2 (genital herpes)

76

Which type/# of herpes is Varicella-zoster virus?

HSV 3

77

How is varicella transmitted?

via respiratory droplets

78

*Name of rash appearing on patients with varicella?

Maculopapular rash

79

Varicella-Zoster Virus has 2 different types of infections. Varicella being _______ and Zoster being _______.

Varicella = chicken pox
Zoster = shingles