Mycoplasmataceae

Question 1

General term for Family Mycoplasmataceae

Answer 1

Mycoplasma or Mollicutes

Question 2

Why is Gram staining not performed in identification of Mycoplasma spp.?

Answer 2

Because they are cell wall deficient.

Question 3

Which bacteria is the smallest living organism?

Answer 3

Mycoplasma

Question 4

Which classification of antibiotics is Mycoplasma resistant to?

Answer 4

Cell wall inhibitors such as beta lactams (i.e. cephalosporin and penicillin)

Question 5

All are slow growers except for?

a. M. pneumoniae
b. M. hominis
c. U. urealyticum

Answer 5

b. M. hominis

• exceptionally rapid grower

Question 6

Two (2) important genera of Family Mycoplasmataceae

Answer 6

1. Mycoplasma
2. Ureaplasma

Question 7

Three (3) significant species of Family Mycoplasmataceae

Answer 7

1. M. pneumoniae
2. M. hominis
3. U. urealyticum

Question 8

Oxygen requirement of Family Mycoplasmataceae

Answer 8

Facultative anaerobe

Question 9

All are facultative anaerobe, except:

a. M. pneumoniae
b. M. hominis
c. U. urealyticum

Answer 9

a. M. pneumoniae

• Aerobic

Question 10

Mycoplasma are highly fastidious.

a. True
b. False

Answer 10

a. True

• Needs complex media for growth

Question 11

Mycoplasma are highly fastidious. In order to cultivate it, what must the culture media include for its growth?

Answer 11

Cholesterol and fatty acids.

Question 12

• Formerly referred to as Pleuropneumoniae-like organism (PPLO)
• Eaton agent

Answer 12

M. pneumoniae

Question 13

First mycoplasma to be isolated

Answer 13

M. pneumoniae

Question 14

Causes Primary Atypical Pneumonia/Walking
pneumonia/Community acquired atypical pneumonia

Answer 14

M. pneumoniae

Question 15

Causes Non-gonococcal urethritis (NGU)

Answer 15

M. hominis and U. urealyticum

Question 16

Agent(s) of Primary Immunodeficiencies (PID)

Answer 16

M. hominis and U. urealyticum

Question 17

The two genital mycoplasma

Answer 17

M. hominis and U. urealyticum

Question 18

Mycoplasma spp. that is fastidious but grows on SBA and Chocolate agar

Answer 18

M. hominis

Question 19

Stain for Mycoplasma

Answer 19

Acridine Orange
- but it is non-specific

Question 20

Ideal culture media for M. pneumoniae and M. hominis

Answer 20

SPF Broth

Question 21

Solid media to recover M. hominis and Ureaplasma spp.

Answer 21

A8 Agar

Question 22

Previously called T-strain Mycoplasma

Answer 22

U. urealyticum

Question 23

Tends to develop colonies that are difficult to see by the naked eye

Answer 23

Ureaplasma

Question 24

Member of anaplasmataceae that infects WBCs and forms Mulberry-like bodies within phagosomes

Answer 24

Genus Erlichia

• initially rickettsia

Question 25

The genus that multiply in phagosomes of host WBC

Answer 25

Erlichia

Question 26

The genus that multiply in cytoplasm of endothelial cells

Answer 26

Rickettsia

Question 27

This is previously known as Ehrlichia phagocytophilium

Answer 27

Anaplasma phagocytophilium

Question 28

This causes Human Granulocytic Anaplasmosis by the vector Ixodes ticks

Answer 28

Anaplasma phagocytophilium

Question 29

Vector of Anaplasma phagocytophilium

Answer 29

Ixodes ticks

Question 30

Vector of Ehrlichia chaffeensis

Answer 30

Lone Star Ticks

Question 31

This causes Human Monocytic Ehrlichiosis by the vector Lone star ticks

Answer 31

Ehrlichia chaffeensis

Question 32

How are Human Monocytic Ehrlichiosis and Human Granulocytic Anaplasmosis acquired?

Answer 32

They are arthropod-borne and acquired through bites.

Question 33

Initially a member of family Rickettsiaceae but since it is not arthropod borne, it is no longer part of this family

Answer 33

Coxiella burnetii

Question 34

Modes of transmission of Coxiella burnetii

Answer 34

1. Inhalation of dried birthing fluids of several animals 2. Ingestions of unpasteurized milk

Question 35

This causes Q fever

Answer 35

Coxiella burnetii

Question 36

Other name for Q fever

Answer 36

Query fever