Lecture 16 - Infection basics

Question 1

What are the portals where viruses enter hosts via skin/mucosal membranes? (routes of entry)

Answer 1

respiratory | GI | urogenital | conjunctiva | skin | across the placenta

Question 2

What is the most common route of viral entry?

Answer 2

respiratory tract

Question 3

How do viruses enter into the GI tract?

Answer 3

oral-fecal route

Question 4

What are the characteristics of the urogenital tract?

Answer 4

protected by mucus, low pH

Question 5

What is the conjunctiva?

Answer 5

thin and transparent tissue that covers the outer surface of the eye | provides viral route of entry

Question 6

What is transplacental infection?

Answer 6

in utero

Question 7

What is perinatal infection?

Answer 7

via delivery

Question 8

What are disseminated viral infections?

Answer 8

virus has spread beyond primary infection site

Question 9

What is hematogenous spread?

Answer 9

disseminated infections occurred via transport through bloodstream

Question 10

Where do viruses usually shed from?

Answer 10

routes of entry

Question 11

List the 8 bodily fluids in which viruses can be transmitted to a new host through?

Answer 11

respiratory secretions, saliva, poop, pee, blood, semen, milk, skin lesions