Pathogens and Infectious Disease

What is the definition of a pathogen?

• An organism that causes disease

• A disease that can be transmitted from one organism to another

• A type of infection in plants and animals

• A type of parasite that lives outside the body

Which of the following is an example of a microscopic pathogen?

• Tapeworm

• Tick

• Bacteria

• Lice

Which of the following is an example of a cellular pathogen?

• Virus

• Prion

• Fungus

• Protozoan

What is the term used for the intermediary that moves a pathogen from one host to another?

• Vector

• Antigen

• Antibody

• Immunity

Which of the following is an example of a non-cellular pathogen?

• Bacteria

• Virus

• Protozoan

• Fungus

What is the term used to describe the period between infection and the appearance of symptoms?

• Incubation period

• Transmission period

• Symptomatic period

• Asymptomatic period

What is the main focus of studying pathogens?

• Identifying the type of pathogen

• Identifying the symptoms of the disease

• Identifying the mode of transmission

• All of the above

Which of the following is a method of controlling infectious diseases?

• Prevention

• Treatment

• Both prevention and treatment

• None of the above

What is the term used for organisms that cause infectious diseases?

• Pathogens

• Parasites

• Hosts

• Vectors

_______ Is any condition that interferes with the proper functioning of the body or mind

• disease
• infection
• pathogen