First class Flashcards
Antoni Van Leewenhoek was the first person to what?
Look into a microscope/ Observe live microorganisms
What is spontaneous generation?
Hypothesis that some forms of life could arise spontaneously from non-living matter
Robert Koch was the first to prove the ____ theory of disease
Germ theory
Microorganisms might cause disease- innoculation of agent should result in disease & it should be retrievable from diseased organism
What was Robert Hooke known for?
He was the father of cell theory
Ignaz Semmelweis activated ___________ to prevent transmission of __________ fever
Hand washing
Childbirth fever
Joseph Lister is the father of ________ surgery
Antiseptic
Edward Jenner is the inventor of
Vaccines
Paul Ehrlich made the first _______________ drug and coined the term
Chemotherapeutic
Chemotherapy
Sir Alexander Fleming discovered __________ and was the Noble Prize winner in 1945 for medicine
Penicillin
What is disease?
A change that disturbs the normal function of the body’s systems
Many diseases are classified as __________
Infectious
Diseases are caused by _______ ________ and other pathogens
Viruses and bacteria
What are pathogens?
Organisms that cause disease
_____ are the general name given to the organisms that cause disease
Germs
What is Microbiology?
The study of SMALL living things.
What are Microorganisms?
Very small organisms that you need a microscope to see
Organisms are classified into _ kingdoms
6
These 6 kingdoms are
Archaea ,Bacteria, protists =- Unicellular
Animals, fungi and plants = Multicellular
What causes disease?
Viruses, bacteria,fungi, protists or parasites
What type of cell are Protists?
A protist is any eukaryotic organism that is not an animal, plant, or fungus
What are Viruses?
___-living DNA particles composed of a nucleic acid ( DNA or RNA ) and a _______ coat
Non-living
protein coat
Do Viruses need a host to reproduce?
Yes, this is why they are not considered alive
Host cell is the cell the Virus infects
Viruses invade _______ cells and use enzymes and organelles of the host cell to make ____ Viruses, usually killing the host cell is process
Healthy cells
MORE
Which diseases are the most widespread illness
Viral diseases
Viral illnesses range from mild fevers, cancers and other fatal diseases
T/F?
T
How are Viruses transmitted?
Human contact, water and insect bites
What drugs are used to prevent and control the spread of Viral diseases?
Vaccines and anti-viral medications