presents a high risk for dental personnel because dental treatments bring them into contact with saliva and blood
What is Hepatitis B
100
a global disease outbreak
What is Pandemic disease
200
disease- producing microorganisms
What is pathogens
200
he lowered the risk of infections after surgery
What is Joseph Lister
200
the five major groups of microorganisms
What is bacteria, algae, protozoa, fungi, and viruses
200
the three hepatitis that can be spread by blood and other bodily fluids
What is Hepatitis B,C,and D
200
what stage is characterized by the presence of a painless ulcerating sore which is infectious on contact and may resemble herpes but the crusting is darker
What is the first stage of syphillis
300
bacteria that require oxygen to grow
What is aerobes
300
living things arose from muck, decaying food, warm rain, or even dirty shirts
What is Aristotle
300
the most resistant form of life known
What is spores
300
disease that slowly kills T- cells
What is HIV
300
known as lockjaw
What is Tetanus
400
ultramicroscopic infectious agents that contain DNA or RNA
What is a virus
400
discovered that bacteria existed in heat- stable and heat- sensitive forms
What is John Tyndall
400
large group of one-celled organisms that do not have a rigid cell wall
What is protozoa
400
found in Africa, West Asia, and Middle East
What is the West Nile Virus
400
the kill time is the benchmark for the effectiveness of a surface disinfectant
What is Tuberculosis
500
organisms that can grow with or without oxygen
What is facultative anaerobes
500
the petri- plates were named after Julius Petri
What is Robert Koch
500
composed entirely of proteins that lack nucleic acids ( DNA RNA)
What is prions
500
what is the most common sexually transmitted disease
What is Herpes Simplex Virus Type2
500
resistant to antibiotics
What is Methicillin- Resistant Staphylococcus Aureus(MRSA)