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