18 Questions
What is the primary factor that determines the development of immunity against a pathogen?
Prior infection with the pathogen
What is the term used to describe the ability of a pathogen to cause disease?
Pathogenicity
Which phase of an infectious disease is characterized by the onset of typical symptoms, making it easier for the disease to be transmitted?
Period of illness
What is the term used to describe the way a pathogen is transmitted from one person to another?
Mode of transmission
Which of the following is NOT a factor that can influence the development of an infectious disease?
Presence of antibacterial factors in the environment
Which line of defense refers to the source or habitat where a pathogen resides?
Reservoir
What is the term used to describe the study of the structural manifestations of a disease?
Pathology
Which of the following is a potential reason why an infection may not lead to a disease?
All of the above
How are infectious diseases classified based on the degree of spread?
Localized and generalized/systemic
What is the characteristic that distinguishes acute infections from chronic infections?
The onset and duration
What is the term used to describe the mechanisms involved in the development of a disease?
Pathogenesis
Which of the following is an example of an environmental factor that can influence the development of an infectious disease?
Availability of appropriate reservoirs and vectors
Which of the following best describes a secondary infection?
An infection caused by a different pathogen that superimposes on the primary infection
What is the first step in the pathogenesis of an infectious disease?
Entry of the pathogen into the host
Which of the following best describes virulence in microorganisms?
Both the ability to cause disease and the severity of the disease
Which of the following examples illustrates the concept of virulence?
All of the above
What is the role of the capsule in the virulence of Streptococcus pneumoniae?
It helps the bacteria evade the host's immune defenses
Which of the following statements about the pathogenesis of infectious diseases is correct?
Evasion of host defenses is necessary for the pathogen to multiply
Test your knowledge on key concepts related to communicable diseases, including immunity development, pathogen transmission, phases of infectious diseases, and more.
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