Pioneers
Who used a primitive microscope to observe stagnant water and scrapings from the teeth and found life forms he called "animalcules"?
Leeuwenhoek
When cocci divide and form a chain what is it called?
Streptococci
Which types of hepatitis are spread by exposure to blood?
Hep B, Hep C, Hep D
What is the major transmission route for herpes virus?
Direct contact with lesions or infectious saliva
What is the most resistant form of life known?
Spores
who recognized the role of airborne microorganism in post surgical infection?
Lister
What are the 5 major groups for microorganisms?
1-bacteria
2-algae
3-protozoa
4-fungi
5-viruses
What must and employee sign if they are refusing to get the HBV vaccine?
sign a release from that states that the vaccine was offered and the employee understands the potential risk of getting HBV
What does Herpes simplex virus 1 cause?
Oral lesions
Bacteria that require oxygen to grow
Aerobes
who disproved the theory of spontaneous generation of life and associated living microorganism with disease?
Pasteur
What are the three shapes of bacteria?
1- cocci (spherical)
2- bacilli (rod)
3- spirochetes (spiral)
What does the risk of occupational exposure to HCV for dental professionals include?
needle sticks or other percutaneous injuries
Herpes simplex virus type 2
Infectious particles of proteins that lack nucleic acids
Prions
Who designed flask shaped like swan necks for heating broth (S shape)
Pasteur
what is the color for a gram positive bacteria?
purple
How are Hep A and Hep E spread?
The major route of transmission for herpesvirus?
Direct contact with lesions or with infectious saliva
What is a resistant, dormant structure formed inside of some bacteria that can withstand adverse conditions?
Endospores
what is Microbiology?
the study of microorganisms (micro-meaning microscopically small, bio- means living organisms)
What is the name for when a bacteria grows in the absence of oxygen?
Anaerobes
FALSE
What is also known as the "kissing disease"?
Mononucleosis
What is a single-celled microscopic animals without a rigid cell wall?
Protozoa