Class: Chlamydia Flashcards

1
Q

Where does chlamydia live inside host (intra- or extracellular)

A

obligate intracellular - can’t make its own ATP

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2
Q

What part of cell does chlamydia live in

A

in the phagolysosome

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3
Q

name the two types and the mnemonic for what part of the life cycle they carry out

A

Elemental bodies Enter cells (they are extra cellular)

Reticular bodies Replicate (intracellular)

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4
Q

which form has the rigid cell wall

A

the elementary- suvives outside cell!

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5
Q

what cellular antigen do all chlamydia share

A

LPS O-antigen

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6
Q

What is MOMP?

A

a type-specific antigen: a heat labile protein n the surface of Elementary bodies

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7
Q

what stain is used to see the organism itself?

A

Giemsa stain

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8
Q

What is used for microscopic detection of chlamydial antigens?

A

: IF

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9
Q

What Serovar causes blindness

A

Serovars A-C “I See you” = “A -C you”

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10
Q

what is treatment for A-C serovars

A

doxycycline or azithropmycin

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11
Q

How does A-C serovar infx present

A

Purulent conjunctivitis in children < 2

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12
Q

What dz do servovars D-K cause in males (1)? females (2)?

A
males = Nongonococcal urethritis 
females = cervicitis, PID
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13
Q

What is complications (2) of PID and why?

A

infertility and ectopic pregnancy dt scarring of fallopian tubes

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14
Q

What is Reiters syndrome (3) and mnemonic

A

uveitis, urethritis, arthritis

“can’t see, can’t pee, can’t climb a tree”

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15
Q

Tx for serovar D-K

A

Azithromycin- covers gonorrhea and doxycycline

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16
Q

What 2 diseases does serovar D-K cause in neonates

A

Inclusion conjunctivitis, PNA

17
Q

How is Lymphogranuloma Venereum present? (2)

A

small, painless ulcer at site of infx

painful LNs

18
Q

What cuases LAD in Lymphogranuloma Venereum?

A

Granulomatous microabscesses in lymph nodes

19
Q

What specific bacteria causes Unilateral, lower lobe interstitial pneumoniae (atypical pneumonia)

A

C. psittaci