Resp Viral/Chlam (lec 10) Flashcards Preview

Q3 Microbiology test 2 > Resp Viral/Chlam (lec 10) > Flashcards

Flashcards in Resp Viral/Chlam (lec 10) Deck (11)
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1
Q

ARD (Acute Resp Dz) presents?

A

Infect of up resp mucosa

Snot, cough, ST, malaise

2
Q

ARD agents: Rhinovirus

Season

Carrier

Transmit

Tx

A

ºcause of ARD

Season: winter

Carrier: human

Transmit: p-to-p/hands, aerosol, fomites

Tx: ~ zinc gluconate OTC

3
Q

ARD agents: Influenza

Types?

Antigenic variations?

A

A = worst,
B, C

Antigenic Drift: point mutation H or N, minor variation but very important

Antigenic Shift: genome segment exchange (entire H or N), major variation

4
Q

Influenza:

Carrier?

Transmit?

Onset?

Sxs?

A

Carrier: pigs/chickens

Transmit: resp tract entry

Onset: abrupt

Sxs: fever, ache, chills, cough

5
Q

Influenza:

Mechanism of dz?

A

destruction of resp tract ciliated epith

6
Q

Influenza:

Complications?

A

1) ºviral pneumonia, 2º bacterial pneumonia
2) Reyes: kids, a/w asprin+flu
3) GBS

7
Q

Influenza:

Diagnostics?

Tx?

A

Dx: rapid antigen (naso swab)
*false - early

Tx:
Rimantadine (A) stops uncoating

Tamiflu (A, B) stops release

8
Q

Influenza nomenclature?

A

Type/Location/Yr isolated/Iso#/Antigen

9
Q

ARD agents: Chlamydiae

Microbe characteristics?

A
Obligate intracellular parasite
Biochemically restricted (use cell's ATP)
10
Q

Chlamydia trachomatis is?

Passed?

Presents?

A

STI passed to baby during birth ->
Infant pneumonia
Sxs 3 wks post birth

Rhinitis -> cough

a/w Reiter’s in adults

11
Q

Chlamydophila pneumoniae causes?

a/w?

A

bronchitis
pneumo
sinusitis

a/w atherosclerosis