Micro: Mycoplasma

Front 1

M. pneumoniae causes ___ (2)

Back 1

upper respiratory tract disease
tracheobronchitis

Front 2

M. hominis causes ___ (3)

Back 2

kidney infection
pelvic inflammatory disease postpartum fever

Front 3

M. genitalium causes ___ (1)

Back 3

nongonococcal urethritis

Front 4

Ureaplasma urealyticum causes ___ (1)

Back 4

nongonococcal urethritis

Front 5

T/F: Mycoplasma are larger than all viruses.

Back 5

False: Smaller than large virus (125--250nm)

Front 6

M. pneumoniae eats ___ for carbon

Back 6

glucose

Front 7

M. hominis eats ___ for carbon

Back 7

Arg

Front 8

M. genitalium eats ___ for carbon

Back 8

?

Front 9

U. urealyticum eats ___ for carbon

Back 9

urea

Front 10

Mycoplasma are cultured on ___ medium and create ___-shaped colonies

Back 10

Brain-Hearth infusion agar
fried-egg

Front 11

Culturing mycoplasma takes ___ days

Back 11

10--14

Front 12

M. pneumoniae uses ___ to stick to respiratory epithelium

Back 12

P1 protein

Front 13

After penetrating the host cell, M. pneumoniae damages it by inhibiting ___.

Back 13

catalase

Front 14

The main disease caused by M. pneumoniae is from ___. This is triggered by its ___ characteristics, which cause ___ (3)

Back 14

inflammation
superantigen
macrophage activation, lymphocyte activation, cytokine release

Front 15

Most infections occur between ___ and ___ years old, but disease is most common between ___ and ___.

Back 15

2 and 5
5 and 15

Front 16

T/F: Mycoplasma infections occur worldwide.

Back 16

True

Front 17

T/F: Mycoplasma infections fluctuate seasonally.

Back 17

False

Front 18

The condition most favorable for propagation of Mycoplasma infection is ___

Back 18

crowded living conditions

Front 19

70-80% of M. pneumoniae disease is ___, and 20-30% of it is ___.

Back 19

tracheobronchitis
primary atypical pneumonia (walking pneumonia)

Front 20

Incubation time for M. pneumoniae is ___. Initial symptoms are ___ (3), followed by ___ (3)

Back 20

2--3 weeks
fever, malaise, nonproductive cough
worsening cough & fever, sore throat, chest pain

Front 21

T/F: M. pneumoniae infections are often fatal.

Back 21

False

Front 22

T/F: M. pneumoniae infections are contagious both before and after symptoms are present.

Back 22

True

Front 23

M. pneumoniae triggers ___, ___, and ___ components of the immune system.

Back 23

complement (alternative pathway)
phagocytosis
IgA production

Front 24

M. pneumoniae causes ___ type hypersensitivity.

Back 24

delayed

Front 25

T/F: Cold agglutinins are a specific marker for M. pneumoniae infection.

Back 25

False

Front 26

Cold agglutinin is a type of ___ which causes ___ of the ___ of RBCs at 4C, but not at ___C.

Back 26

IgM
binding
I antigen
37

Front 27

Treatment of M. pneumoniae infections is with ____ or ___.

Back 27

tetracycline
erythromycine

Front 28

T/F: There is no vaccine for M. pneumoniae.

Back 28

True

Front 29

T/F: Treatment for M. pneumoniae is bactericidal.

Back 29

False

Front 30

M. hominis, M. genitalium, and U. urealyticum are transmitted either by ___ or ___

Back 30

sexual intercourse
to newborn via birth canal

Front 31

M. hominis, M. genitalium, and U. urealyticum cause ___ in women.

Back 31

inflammation of upper genital tract

Front 32

M. hominis, M. genitalium, and U. urealyticum are treated with ___

Back 32

tetracycline

Front 33

T/F: There is a vaccine for M. hominis, M. genitalium, and U. urealyticum.

Back 33

False

Front 34

M. hominis, and U. urealyticum, but not M. genitalium, are diagnosed by ___.

Back 34

culture

Front 35

Mycoplasma are part of the __ class

Back 35

mollicute