Chlamydia, Mycoplasma, Rickettsia

Question 1

M. pneumoniae infection

Answer 1

respiratory

atypical pneumonia

Question 2

oxidase -
catalase -
urease -
arginine utilized

Answer 2

mycoplasma hominis

Question 3

oxidase -
catalase -
urease -
ferments glucose

Answer 3

mycoplasma pneumoniae

Question 4

oxidase -
catalase -
urease +

Answer 4

Ureaplasma urealyticum

Question 5

frequent cause of community acquired pneumonia in children and young adults

Answer 5

M. pneumoniae

Question 6

walking pneumonia

Answer 6

M. pneumoniae

Question 7

genital mycoplasmas

Answer 7

M. hominis

U. urealyticum

Question 8

agar used to grow Mycoplasmas

Answer 8

E agar

Shepards A7-B

Question 9

which mycoplasma requires cholesterol

Answer 9

hominis

Question 10

have G- like cell wall
obligate intracellular parasites
DNA and RNA

Answer 10

Chlamydiaceae

Question 11

three species of chlamydiaceae that cause human infections

Answer 11

chlamydia trachomatis
chlamydophila psittaci
chlamydophila pneumoniae

Question 12

elementary body

Answer 12

inactive

infective particle

Question 13

reticulate body

Answer 13

active

non infective

Question 14

endemic trachoma serovars

Answer 14

A, B1, B2 C

Question 15

urogenital serovars

Answer 15

D-K

Question 16

lymphogranuloma venereum serovars

Answer 16

L1, L2, L2a, L2b, L3

Question 17

what host cells can chlamydia infect?

Answer 17

nonciliated columnar, cuboidal, transitional epithelial cells

Question 18

what is the number one bacterial STD

Answer 18

Chlamydia

Question 19

what specimens are preferred for chlamydia infections

Answer 19

scrapings, if have to use swab cotton is toxic

Question 20

chlamydophila psittaci infection

Answer 20

psittacosis

ornithosis

Question 21

chlamydophila psittaci hosts

Answer 21

birds

Question 22

chlamydophila pneumoniae infections

Answer 22

mild respiratory infections

serious respiratory infections

Question 23

how is C. pneumoniae diagnosed

Answer 23

tissue culture in HeLa cells

Question 24

Rickettsiaceae characterisitics

Answer 24

G-
obligate intracellular bacteria
RNA and DNA
spread through insect vectors

Question 25

Rickettsia rickettsii infection and transmission

Answer 25

rocky mountain spotted fever

ticks

Question 26

R. typhi infection and transmission

Answer 26

murine typhus

fleas

Question 27

Coxiella burnetti infection and transmission

Answer 27

Q fever

aerosols and ticks

Question 28

Ehrlichiosis chaffeensis infection and transmission

Answer 28

monocytic ehrlichiosis

lone star tick

Question 29

Weil felix reaction

Answer 29

patient serum agglutinate with strains of Proteus vulgaris

Question 30

What test is used to confirm chamydia trachomatis in urine

Answer 30

PCR

Question 31

Most reliable test for mycoplasma pneumoniae

Answer 31

EIA and direct antigen