MISCELLANEOUS BACTERIA

Question 1

family where the genus Borrelia and Treponema belong

Answer 1

Spirochaetaceae

Question 2

fibrils of spirochetes that are responsible for motility

Answer 2

periplasmic flagella or (axial fibrils, axial filaments, endoflagella, and periplasmic fibrils)

Question 3

artificial medium used for Leptospira spp.

Answer 3

Fletcher’s semisolid / stuart liquid / Ellinghausen-McCullough-Johnson-Harris (EMJH) semisolid media

Question 4

causative agent of leptospirosis

Answer 4

Leptospira interrogans

Question 5

endemic relapsing fever is caused by

Answer 5

tick borne – Ornithodoros

Question 6

the only spirochetal disease in which the organisms are visible in blood with bright-field microscopy

Answer 6

relapsing fever

Question 7

patients in stage 1 Lyme disease exhibit…

Answer 7

erythema migrans

Question 8

the 2 clinically significant species of Borrelia

Answer 8

Borrelia recurrentis and Borrelia burgdorferi

Question 9

Causative agent of Q (Query) Fever

Answer 9

Coxiella burnetti

Question 10

Diagnostic tool for Ehrlichiosis

Answer 10

nucleic acid amplification (PCR)

Question 11

preferred medium for C. burnetti

Answer 11

lung tissue cells

Question 12

serotype that causes sexually transmitted disease

Answer 12

serotype L1, L2, L3

Question 13

Causative agent of primary atypical pneumonia

Answer 13

Mycoplasma pneumoniae

Question 14

this specie requires arginine

Answer 14

Mycoplasma hominis

Question 15

slow growing Mycoplasma specie

Answer 15

Mycoplasma pneumoniae

Question 16

M. pneumoniae takes how many days to grow

Answer 16

21 days or longer

Question 17

primary method used for the laboratory diagnosis of syphilis

Answer 17

serology

Question 18

syphilis in skin, bones, and liver is called

Answer 18

benign tertiary syphilis

Question 19

skin lesion found in secondary stage of syphilis

Answer 19

condyloma lata

Question 20

louse born relapsing fever

Answer 20

Epidemic relapsing fever

Question 21

prophylaxis for leptospirosis

Answer 21

doxycycline

Question 22

usual sites of inoculation for the specie treponema pallidum subsp. pallidum

Answer 22

vagina and cervix in females, and the penis in males

Question 23

Both are associated with infections with the urogenital tract and might play a role in bacterial vaginosis

Answer 23

M. hominis and M. urealyticum

Question 24

Can cause chronic inflammatory diseases such as arthritis and cystitis in hypogammaglobulolinemic patients

Answer 24

Mycoplasma urealyticum

Question 25

smallest and pleomorphic bacteria

Answer 25

Mycoplasma

Question 26

Form colonies with slightly raised centers giving the classic fried egg appearance

Answer 26

Mycoplasma especially M. hominis

Question 27

they are usually raised in live chick embryos or propagated in cell tissue culture like McCoy cells

Answer 27

chlamydia spp.

Question 28

Risk factor for Guillain-Barre syndrome

Answer 28

Chlamydophila pneumoniae

Question 29

a test to differentiate C. pneumoniae with C. trachomatis

Answer 29

Sulfonamide susceptibility test

Question 30

Also referred to as ornithosis or parrot fever

Answer 30

psittacosis

Question 31

Aka Mediterranean spotted fever

Answer 31

Boutonneuse Fever

Question 32

most common tick vectors

Answer 32

Dermacentor variabilis and Dermacentor andersoni

Question 33

Most severe of the rickettsial infections

Answer 33

Rocky Mountain Spotted Fever

Question 34

Epidemic Louse-borne Typhus is caused by

Answer 34

R. prowazekii

Question 35

Boutonneuse Fever is characterized by the presence of...

Answer 35

taches noires (black spots)

Question 36

typhus group of Rickettsia

Answer 36

R. prowazekii, and R. typhi

Question 37

Cause: Human granulocytic anaplasmosis

Answer 37

Anaplasma phagocytophilum

Question 38

the species that exhibit a “twitching motility” in wet mounts

Answer 38

Bartonella bacilliformis and Bartonella benselae

Question 39

presumptive test for Rickettsioses

Answer 39

Weil-Felix Reaction

Question 40

Confirmatory test for Cat Scratch Disease

Answer 40

Nucleic Acid Amplification (PCR)

Question 41

They multiply in the phagosome of the host leukocytes

Answer 41

Ehrlichia

Question 42

Slender, flexuous, helically shaped, unicellular bacteria

Answer 42

spirochetes

Question 43

Borrelia recurrentis is cultivated using what medium

Answer 43

Kelly medium

Question 44

this stage focuses on the cardiac, musculoskeletal, and neurologic systems

Answer 44

stage 3 of lyme disease

Question 45

most common symptom in stage 3 lyme disease

Answer 45

arthritis

Question 46

skin lesion found in primary stage of syphilis

Answer 46

hard chancre

Question 47

syphilis that causes degenerative changes in the central nervous system

Answer 47

neurosyphilis

Question 48

Caused by R. typhi

Answer 48

endemic typhus or murine typhus

Question 49

Serotype L1, L2, L3 causes an invasive urogenital tract disease called

Answer 49

Lymphogranuloma venereum or LGV

Question 50

serotype that causes trachoma

Answer 50

serotype a, b, c

Question 51

Ureaplasma spp. require a media to have a pH near

Answer 51

6.0

Question 52

M. pneumoniae and M. genitalium require ________ for growth

Answer 52

glucose

Question 53

Group of organisms once thought to be viruses because of their size

Answer 53

Mycoplasma

Question 54

Transmitted via the bite of infected Ixodes ticks

Answer 54

Lyme disease

Question 55

serotype D to K causes....

Answer 55

vaginitis, nongonococcal urethritis, epididymitis, and prostatitis, inclusion conjunctivitis

Question 56

caused by R. akari

Answer 56

rickettsialpox

Question 57

Bartonella spp. can be cultivated in...

Answer 57

CAP with 5% carbon dioxide or in charcoal yeast extract agar

Question 58

gold standard serologic test or reference method for Rickettsioses and Q fever

Answer 58

Indirect immunofluorescent antibody (IFA) assay

Question 59

potential bioterrorism agent

Answer 59

Coxiella burnetti

Question 60

microcolony that resembles “mulberries” or a morula

Answer 60

Ehrlichia

Question 61

incubation period for leptospirosis

Answer 61

10 - 12 days

Question 62

severe systemic disease in leptospirosis

Answer 62

Weil disease

Question 63

Treponema specie that causes yaws

Answer 63

T. pallidum subsp. pertenue

Question 64

commonly used serological test in laboratory diagnosis of syphilis

Answer 64

RPR (Rapid Plasma Reagin)

Question 65

fluorescent stain used for Mycoplasma

Answer 65

acridine orange

Question 66

True or False: Mycoplasma is visible in gram staining

Answer 66

False

Question 66

True or False: Chlamydia can multiply outside a living cell

Answer 66

False

Question 67

True or False: Atypical bacteria means it does not color with gram staining and remain colorless

Answer 67

True

Question 68

formerly known as TWAR strain

Answer 68

Chlamydophila pneumoniae

Question 69

Between the secondary and tertiary stage of syphilis

Answer 69

latent stage of syphilis

Question 70

granulomatous lesions in tertiary stage of syphilis is known as

Answer 70

gummas

Question 71

Leptospira can survive in _______ waters for months

Answer 71

neutral or slightly alkaline

Question 72

Obligate intracellular parasite that can grow only in the cytoplasm of host cells

Answer 72

Rickettsia