Lecture 16 - Infection basics Flashcards Preview

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Flashcards in Lecture 16 - Infection basics Deck (11)
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1
Q

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

A

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

2
Q

What is the most common route of viral entry?

A

respiratory tract

3
Q

How do viruses enter into the GI tract?

A

oral-fecal route

4
Q

What are the characteristics of the urogenital tract?

A

protected by mucus, low pH

5
Q

What is the conjunctiva?

A

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

6
Q

What is transplacental infection?

A

in utero

7
Q

What is perinatal infection?

A

via delivery

8
Q

What are disseminated viral infections?

A

virus has spread beyond primary infection site

9
Q

What is hematogenous spread?

A

disseminated infections occurred via transport through bloodstream

10
Q

Where do viruses usually shed from?

A

routes of entry

11
Q

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

A

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