Microbiology
Who is the Father of Microscopy and Microbiology?
Anton Van Leeuwenhoek Louis Pasteur
Susceptible Host
An organism capable of contacting a specific disease
What is the Chain of Infection? - Causative, Reservoir, Portal of Exit, Mode of Transmission, Portal of Entry, Susceptible Host
Conditions that must exist for disease to exist or spread
How is a causative agent transmitted?
Direct contact vs. Indirect contact (Modes)
What is Air-Borne transmission?
Example: sneeze, cough, talking...
How does a causative agent enter the body?
Openings in skin, respiratory tract, digestive tract, genitourinary (reproductive urinary), and circulatory system (Blood)
What are the smallest microorganisms known to threaten human health?
Prions
Definition of Virulence
the ability of an agent of infection
What percent of microorganisms cause disease?
1%
Parenteral
Infection is spread through the skin by puncture, cut, or needle stick "cut the skin"
Exogenous
Infection or disease originates outside the body
Endogenous
Infection or disease originates within the body
Nosocomial
Infections acquired by an individual in a healthcare facility. Usually present in the facility and transmitted by healthcare workers to the patient
Opportunistic
Infections that occur when the body's defenses are weak
How do viruses reproduce?
Invading a host cell
Mucous Membrane
Lines the respiratory, digestive and reproductive tracts
What is an example of an antibiotics resistant bacteria?
MRSA
Pathogens
Microorganism that cause disease
What are the two kinds of immunity?
Natural Immunity Acquired Immunity
What is a fomite? (Reservoir)
Nonliving objects such as doorknobs, cups, utensils, needles stick
Can viruses be cured by antibiotics?
Not cured by antibiotics
What three shapes are used to classify bacteria?
Round (cocci) Elongated (bacilli)- rod Curved
Microorganisms
Small, living organisms not visible to the naked eye
Which diseases are caused by virus vs. bacteria
Strep throat , Gonorrhea, MRSA, CHICKEN POX
A infection that occurs throughout the body is known as what?
Systemic Infections
How do pathogens leave the body?
Urine, Blood, Saliva, wounds, tears, mucous secretions, sexual secretions, and feces (Portal of Exit)
Which is the smallest type of microorganism?
Viruses
