19 Questions
What is the focus of epidemiology?
Analyzing the patterns, causes, and effects of health and disease conditions in populations
What is the term for a disease that is constantly present in a population?
Endemic
What is a syndemic?
The aggregation of two or more diseases in a population
What is the primary habitat of an infectious agent called?
Reservoir of infection
What is the purpose of a reservoir of infection?
To provide a habitat for the infectious agent
What are biological markers used for?
To characterize microorganisms or discriminate between genomes
What is the relationship between the infectious agent and the reservoir?
The infectious agent depends on the reservoir for survival
What is the term used to describe the aggregation of two or more diseases in a population?
Syndemic
What is the primary mode of entry for Respiratory Tract Illnesses?
Through inhalation of airborne droplets
What is the term for infections that spread by a vector who serves as an intermediate host to a healthy person?
Vector Borne Illness
What characterizes the relationship between an infectious agent and its reservoir?
The reservoir is unaffected by the agent
What is the term for the spread of an infection from an infected woman to her embryo, fetus or child during pregnancy or childbirth?
Vertical Transmission
What is the genetic constitution of an organism, as assessed by a molecular method, called?
Genotype
What are the three different antigenic structures found in bacteria?
O antigen, K antigen, and H antigen
What is the term for a disease that is visited upon a population?
Epidemic
What is the primary function of biological markers in epidemiology?
To characterize microorganisms
What is the term for diseases that can be transmitted between vertebrate animals and humans?
Zoonotic diseases
What is the term for the infection that spreads due to medical error or lapse?
Iatrogenic transmission
What is the term for the observable characteristics of an isolate?
Phenotype
Test your understanding of epidemiology, the study of patterns, causes, and effects of health and disease conditions in populations. Learn about epidemic and endemic diseases, syndemics, and reservoirs of infection.
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