Subtypes of Indirect Transmission

Play an AI-generated podcast conversation about this lesson

Which type of transmission involves an arthropod as the carrier of an infectious agent?

Person-to-person transmission
Transplacental transmission
Vector-borne transmission (correct)
Direct transmission

What type of transmission occurs when an infected individual contaminates food or water with their feces?

Direct transmission
Airborne transmission
Fecal-oral transmission (correct)
Vehicle-borne transmission

In which type of transmission can the infectious agent travel long distances suspended in the air?

Vector-borne transmission
Vehicle-borne transmission
Airborne transmission (correct)
Direct transmission

Which subtype of indirect transmission involves inanimate objects as the vehicle for the infectious agent?

Vehicle-borne transmission (C) Signup and view all the answers

What is the initial step in the establishment of infection by microorganisms?

Adhesion (Attachment) (D) Signup and view all the answers

Which type of transmission can occur when an infected mother passes the pathogen to her baby through the placenta?

Transplacental transmission (C) Signup and view all the answers

What is the initial step in the process of pathogenesis involving bacterial infection?

Transmission (A) Signup and view all the answers

Which body sites are dense with normal flora in healthy individuals?

Skin and oropharynx (B) Signup and view all the answers

What step follows colonization in the pathogenesis of bacteria?

Invasion (A) Signup and view all the answers

How do potential pathogens enter the body in indirect transmission?

Blood and penetration of skin (A) Signup and view all the answers

Which route of transmission involves exposure to a pathogen through the respiratory tract?

Airborne transmission (C) Signup and view all the answers

What is the hidden stage of a microorganism in the host before producing clinical disease?

Latent infection (A) Signup and view all the answers

What is the main difference between direct and indirect modes of transmission?

Direct transmission requires no intermediates, while indirect transmission involves intermediates like air or water. (D) Signup and view all the answers

Which of the following is an example of direct person-to-person transmission?

Touching an infected person (B) Signup and view all the answers

In transplacental transmission, how is the infectious agent passed from mother to fetus?

Through the placenta (A) Signup and view all the answers

Which of the following is an example of indirect transmission of an infectious agent?

A mosquito bite transmitting a virus (A) Signup and view all the answers

How are respiratory droplets typically involved in person-to-person transmission of pathogens?

They are inhaled by a new host through sneezing or coughing. (B) Signup and view all the answers

What distinguishes airborne transmission from other modes of transmission?

Involves infectious agents carried by small particles that can remain suspended in the air for long distances. (D) Signup and view all the answers