Microbiology Flashcards
why is studying microbiology important for the dental assistant?
so that he or she will understand the nature of pathogens and understand how to prevent disease transmission in the dental office.
What are pathogens?
Disease - producing Microorganisms
what are the five major groups of microorganisms?
Bacteria Algae Protozoa Fungi Viruses
What are the three shapes that identify bacteria?
Spherical
Rod
Spiral
Variety of bacteria that require oxygen to grow are known as.
Aerobes
what is the most resistant form of like known as?
Spore
Protozoa
one-cell organisms found in :
- water
- Marine Habitats
- Moist soil
Oral-Candidiasis is a common opportunistic infection found in the oral cavity, this infection is caused by.?
Yeast
-yeast is a form of fungi
All known ____ diseases in humans affect the brain
Prions
Prions differ from viruses and bacteria
they are a new and separate class od disease-producing molecules that convert normal protein molecules into dangerous ones.
Is a type of microorganisms that can live and multiply only inside an appropriate host cell.
Virus
can have the specificity for particular cell types in order to replicate
Viruses
Cannot be treated with antibiotics
Viral Infections
Viral diseases may be transmitted in a variety of ways including
- Insects
- Blood transfusions
- Contaminated food
- direct contact
- inhalation of droplets expelled by coughing or sneezing
which of the following diseases or virus is a concern in dentistry?
Hepatitis B HIV Herpes SARS West Nile Virus Herpes Simplex Type 1
How are SARS spread by?
Droplets when a person coughs or sneeze
- Close person-to-person contact
is an infectious disease that is the leading cause of death worldwide and is a risk for healthcare workers
Tuberculosis (TB)
Can be transmitted to dental worker through contact with oral lesions and can be sexually transmitted
Syphilis
What two immunizations are important for dental assistants?
Hepatitis B and Tetanus
Dental Assistants should have all _____ up to date.
Vaccines
________ effectiveness is determined by the time it takes to kill ________ on a surface
- Surface disinfectants
- Tuberculosis
Infectious diseases that are carried by blood
- AIDs
- HIV
- HBV
How can you be infected with a Bloodborne disease?
- Blood
- saliva
- or other body fluids and sexual contact
