Chapter 7 Flashcards

1
Q

What is bacteria?

A

Single cell organism survive as spores when conditions NOT favourable

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2
Q

3 main types of pathogenic micro organisms are..

A

Bacteria
Virus
Fungi

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3
Q

Pathogenic

A

Capable of causing diease

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4
Q

Non pathogenic

A

Not capable of causing diease

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5
Q

Five types of bacteria

SURVIVE AS SPORES

A
Lactobacilli
Bacilli fusiformis
Staphylococci
Streptococci
Spirochete
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6
Q

Lactobacillus

A

Associated with carious lesions, tooth tissue becomes infected

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7
Q

Bacilli fusiformis

A

Associated disease..acute necrotising ulcerative gingivitis - often found in young adults

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8
Q

Staphylococci

A

Associated disease..skin boils and gingival boils

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9
Q

Streptococci

A

Live in circular chains commonly found in the oral cavity of humans and is most cariogenic bacteria for tooth enamel.

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10
Q

Spirochaete

A

Spiral shaped like a helix..found in root canal infections

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11
Q

VIRUSES

A
Hepatitis A B C
Herpes varicella 
Human immunodeficiency virus HIV
Herpes zoster
Herpes simplex type 1
Epstein bar
Paramyxovirus
Coxsackievirus
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12
Q

Hepatitis

A

Various inflammatory liver disease

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13
Q

Herpes varicella

A

Associated with chicken pox

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14
Q

Human immunodeficiency virus

A

HIV, AIDS, BLOODBORNE

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15
Q

Herpes zoster

A

Shingles, very painful blistering skin rash

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16
Q

Herpes simplex type 1

A

Associated with cold sores

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17
Q

Epstein Barr

A

Associated with glandular fever

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18
Q

Paramyxovirus

A

Associated with mumps

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19
Q

Coxsackievirus

A

Associated with hand foot and mouth disease

20
Q

Fungi

A

Candida albicans

21
Q

Fungi CANDIDA ALBICANS

A

Oral thrush
Denture stomatitis
Angular cheilitis

22
Q

Oral thrush

A

Appearing as a removable white film with underlying red, sore patches occurring on the soft tissue

23
Q

Denture stomatitis

A

Also known as denture sore mouth - occurs in healthy patients beneath both dentures and removable ortho appliances

24
Q

Angular cheilitis

A

Candida infection that specifically involves the angles of the mouth

25
Q

Creutzfeldt-Jakob

A

Associated with prion protein and can not be destroyed

26
Q

Autoclaves

A

S type - enables air to be sucked out of the chamber to create a vacuum

Holds for 3 minutes at pressure bar 2.25 (32psi) at 134 c

27
Q

5 daily test to be carried out on an ultrasonic bath:

A
Protein residue 
Drainage
Temperature 
Lid closes correctly 
Instruments being cleaned properly
28
Q

When is validation for equipment carried out?

A

When repaired
When installed
Annually

29
Q

What daily tests are carried out on autoclaves?

A

Helix
Bowie dick TST
record temp
Pressure

30
Q

Malignant

A

Cancerous tumour

31
Q

Benign

A

Non cancerous

32
Q

Squamous cell carcinoma

A

Cancerous patch which will spread

33
Q

Which waterborne micro organism can be found in contaminated water lines

A

Legionella

34
Q

What should be disposed of in special waste?

A

Lead foil

35
Q

What should be used to clean a body fluid spillage

A

Hypochlorite

36
Q

The body’s immune system can help fight against disease by producing

A

Antibodies

37
Q

A cyst is described as

A

Abnormal sac of fluid

38
Q

Streptococcus mutans is associated with which disease?

A

Dental caries

39
Q

Disinfection is defined as what?

A

Chemical destruction of all bacteria and fungi

40
Q

Asepsis means..?

A

Absence of all living pathogens

41
Q

One of the bodies lines of defence against attack by pathogens could be..

A

Surface secretions to dilute and neutralise

42
Q

A tumour causing swelling within body tissues causing no harm is refereed to as..

A

Benign

43
Q

Natural immunity is

A

Present from birth

44
Q

A weekly test for ultra sonic baths include

A

Protein residue test

45
Q

How long can you store instruments for?

A

Upto 12 months

46
Q

A person has a disease but has no symptoms is referred to as

A

A carrier

47
Q

Tuberculosis

A

Spread through inhaling tiny droplets from coughs or sneezes of an infected person