Pathogens and Transmission

What is the definition of a pathogen?

• A beneficial microorganism

• Any agent that can produce disease in a host

• A type of white blood cell

• A harmless virus

Which of the following is NOT a type of pathogen?

• Bacteria

• Virus

• Fungi

• Red blood cell

Which type of pathogen is described as a single-celled organism that can live almost anywhere, but only some cause disease?

• Virus

• Bacteria

• Fungi

• Parasite

Which pathogen relies entirely on a host cell’s machinery to reproduce?

• Bacteria

• Fungus

• Virus

• Parasite

What is the main difference between fungi and bacteria?

• Fungi are multicellular, bacteria are single-celled

• Bacteria are always harmful, fungi are always harmless

• Fungi have no cell walls, bacteria do

• Bacteria need a host to survive, fungi do not

Which of the following is an example of a parasitic infection?

• Influenza

• Malaria

• Athlete’s foot

• Yuberculosis

Which of the following is a common way that pathogens are transmitted through the air over short distances?

• Droplet transmission

• Vector transmission

• Ingestion

• Direct contact

What is an example of transmission by ingestion?

• Sneezing

• Mosquito bite

• Shaking hands

• Eating contaminated food

Which of the following is a scenario of direct contact transmission?

• Touching a contaminated doorknob

• Kissing

• Being bitten by a mosquito

• Sharing a drink

Transmission of a pathogen via a mosquito bite is an example of:

• Airborne transmission

• Indirect contact

• Vector transmission

• Droplet transmission