Diseases And Micro Biology Flashcards
Hepatitis B affects which organ?
The liver
Streptococcus salivaris is present in the mouth and helps..
1) cause caries
2) plaque stick
3) create toxins
4) promote healing
Plaque stick
What type of immunity is gained from Hep B vaccination
1) passive
2) acquired
3) active
4) attained
3) active
You’ve actively gone to receive the vaccination
Which of the following diseases is it not possible to vaccinate against?
1) typhoid
2) diphtheria
3) hepatitis B
4) hepatitis C
4) hepatitis C
A micro-organism which causes no harm is know as?
Non pathogenic
What is a pathogen?
A micro organism that has the ability to cause harm
Which disease must all dental personal be immunised from?
hep B
What type of micro organism is a spirochete?
Bacteria
The main micro organism found in thrush is…
1) Candida albicans
2) streptococcus mutans
3) lactobacillus acidophilus
4) Borreli Vincenti
1) Candida albicans
streptococcus mutans- caries & gingivitis
lactobacillus acidophilus- caries
Borreli Vincenti- ANUG
Which micro organism is rod shaped?
Bacilli
Following the third inoculation for hepatitis B, a blood sample is taken to check?
Titre levels
Herpes labialis is characterised by:
1) gingival swelling
2) vesicles on the lips
3) swelling of the tongue
4) white patches on the cheeks
2) vesicles on the lips
Sometimes said as ulcers
Aciclovir May be prescribed by a dentist in the treatment of which of the following?
1) Lichen planus
2) herpes simplex
3) aphthous ulcers
4) acute ulcerative gingivitis
2) herpes simplex
Immunisation encourages the body to produce
1) antigens
2) antibodies
3) antimocrobials
4) antibacterial
2) antibodies
CJD is caused by what type of micro organism?
Prions
What does acquired mean?
In terms of immunity
You have it for life from previous exposure to the disease
What does passive mean?
In terms of immunity
If temporarily passed from one person to another
e.g. hep B. Immunoglobulin injection given after a needle stick injury from a known HBV carrier if you have not had your full course of HBV vaccinations
What does natural mean?
In terms of immunity
You are born with it
What does active/ vaccinated/ recurved mean?
In terms of immunity
From an infection of dead, dying or weakens micro organisms of the disease, so the boosters may be needed to make them strong enough
Define cross infection
Cross infection is the transfer of pathogenic micro organisms from person to person directly or indirectly
What does indirect mean?
A third part involvement is needed
E.g. contracting a disease from touching the patients blood on a wipe and it accidentally entering your system
What does direct mean?
Touching the patient
What does infection control mean?
Infection control is preventing the transfer of pathogenic micro organisms from person to person indirectly or directly
What is a pathogen?
A pathogen is a micro organism that has the ability to cause harm
What is the name of micro organisms that live alone?
Saphrophytes
Micro organisms living in or on another organism are called..
Parasites
What is the name of parasites which don’t cause harm?
Commensal
Parasites which can cause harm, disease and infections are called…
Pathogens
What is pathology?
Pathology is the study of pathogenic micro organisms and the diseases they can cause
What are the for main idea conditions for micro organisms to grow?
Warmth
Food
Moisture
Correct level of oxygen
What does CJD stand for?
Creutzfeldt-Jakob disease
How do you get CJD?
CJD can be transmitted from an affected person to others but only through injection or consuming infected brain or nervous tissue
What is the main way you would contract CJD in a dental practice?
Using CJD contaminated files from an RCT on to another patient
What are some symptoms of CJD?
Muscle twitches and spasms Loss of bladder and bowel control Blindness Loss of speech Swallowing difficulties Loss of physical co-ordination, which can affect a wide range of functions such as walking, speaking and balance.
What is CJD?
CJD is a disease which gradually destroys brain cells, it causes tiny holes in the brain. It is fatal and there is no cure.
People with CJD typically die within 6-12 months after symptoms appear- 10-20%
What does it mean to be a carrier?
You have the disease yet show no signs symptoms however you can still pass it on
What are the 4 micro organisms which are bacteria?
Spirochete
Cocci
Baccillius
Filamentos
What is the shape of a spirochete?
Spiral
What is the shape of a cocci?
Circles
What is the shape of a baccillius?
Rod shaped
What shape is a filamentos?
String/ floss shaped