28 Questions
What is the primary step in the infection process after bacteria enter the body?
Adherence
What is the purpose of immunologic tests in microbiology?
To link a specific bacterial strain to a disease caused in an individual
What is the term used to describe a person or animal that has an asymptomatic infection that can be transmitted to others?
Carrier
What is the characteristic of bacteria that form white colonies on MacConkey plate?
They are unable to metabolize lactose
What is the term used to describe the genetic material present in the human body, including both human and microbial genes?
Microbiome
What is the term for the use of antibodies to react with specific bacterial cell surface structures?
Sero
What is the term used to describe a microorganism that can cause disease only when the host's resistance is impaired?
Opportunistic pathogen
What is the function of zones of clearing on differential media?
To identify the presence of extracellular enzymes
What is the term used to describe the ability of a microorganism to produce a toxin that contributes to the development of disease?
Toxigenicity
What is the purpose of subtyping in microbiology?
To identify an organism on species level
Who are the scientists credited with confirming the germ theory of disease?
Robert Koch and Louis Pasteur
Who debunked the Spontaneous Generation Theory using a swan neck flask experiment?
Louis Pasteur
What is the primary focus of Koch's Postulates?
Identifying the etiologic agents of diseases
Which of the following diseases cannot be confirmed using Koch's Postulates?
Some bacteria that can cause infections
What is the purpose of reisolation in Koch's Postulates?
To show that the same pathogen can be isolated from the same disease
Which of the following pathogens causes Rabies?
Rhabdoviridae
Which of the following bacteria is commonly associated with chicken?
C. jejuni
What is the primary function of lysozyme in saliva?
To kill bacterial cells
Which of the following routes of transmission is responsible for the spread of syphilis?
Direct contact
What is the term for the study of the occurrence, distribution, and determinants of health and disease in populations?
Epidemiology
Which of the following protective barriers of the human body is responsible for phagocytosing foreign microorganisms?
Macrophages
What is the term for the observation, recognition, and reporting of diseases as they occur?
Disease surveillance
What is the primary goal of Koch's Postulates?
To prove the causality of a disease and its effects
Which of the following is an example of an animal vector?
Bats carrying SARS-CoV-2
What happens when a swan neck flask is tilted or removed, despite being heated first?
Putrefaction of the solution occurs
Which of the following is a Molecular Koch's Postulate?
The pathogenic strain should be associated with a specific phenotype or property
What is the primary characteristic of viruses according to Postulate 2 and 4?
They are not capable of growing in pure culture and cannot multiply
What is an example of human-to-human transmission of disease?
Direct contact with an infected person
Identify and classify different types of media and immunologic tests used in microbiology, including selective and non-selective media, differential media, and serotyping tests.
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