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WorksheetsID Unit 2
Total questions: 13
Worksheet time: 7mins
The theory that diseases were caused bad air arising from organic decay, filth, or other conditions of the local environment.
germ theory
miasma theory
spontaneous generation
evolutionary theory
A cause and effect relationship in which one variable controls the changes in another variable.
causation
correlation
association
isolation
A measure of the extent to which two factors vary together, and thus of how well either factor predicts the other.
isolation
association
causation
correlation
an infectious bacterial fever with an eruption of red spots on the chest and abdomen and severe intestinal irritation.
cholera
typhoid
TB
MRSA
an acute infectious intestinal bacterial disease caused by ingestion of contaminated water or food
cholera
typhoid
TB
MRSA
which of Koch's postulates is difficult to meet when a disease has many asymptomatic carriers?
The microorganism must be isolated from a diseased organism and grown in pure culture.
The cultured microorganism should cause disease when introduced into a healthy organism.
The microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy organisms.
The microorganism must be reisolated from the inoculated, diseased experimental host and identified as being identical to the original specific causative agent.
which of Koch's postulates is difficult to meet when a pathogen can't be "seen"
The microorganism must be isolated from a diseased organism and grown in pure culture.
The cultured microorganism should cause disease when introduced into a healthy organism.
The microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy organisms.
The microorganism must be reisolated from the inoculated, diseased experimental host and identified as being identical to the original specific causative agent.
which of Koch's postulates is difficult to meet due to ethical concerns?
The microorganism must be isolated from a diseased organism and grown in pure culture.
The cultured microorganism should cause disease when introduced into a healthy organism.
The microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy organisms.
The microorganism must be reisolated from the inoculated, diseased experimental host and identified as being identical to the original specific causative agent.
Who is considered the "father of epidemiology"?
John Snow
Robert Koch
Louis Pasteur
Dimitri Ivanovsky
What lab process is shown in the image?
Gram Staining
Pure culture
streaking
sterile technique
Who is the father of bacteriology?
Koch
Pasteur
Snow
Leuwenhoek
Classify the bacteria in the image
gram positive cocci
gram negative cocci
gram positive bacillus
gram negative bacillus
What pathogen was used in Koch's experiments that led to his postulates for causation?
cholera in humans
typhoid in humans
cholera in cattle
anthrax in cattle
