EXAM 2 Atypical Organisms

Question 1

3 characteristics of Mycoplasmas

Answer 1

1. smallest free living organism
2. lack cell wall
3. no gram stain

Question 2

name of mycoplasma bacteria

Answer 2

Mycoplasma pneumoniae

Question 3

what does Mycoplasma pneumoniae cause?

Answer 3

“atypical” pneumonia

Question 4

2 characteristics of spirochetes

Answer 4

1. thin-walled

2. spiral rods

Question 5

names of 3 spirochete bacteria

Answer 5

1. Treponema pallidum
2. Borrelia burgdorferi
3. Leptospira interrogans

Question 6

bacteria that causes syphilis

Answer 6

Treponema pallidum

Question 7

what does Treponema pallidum cause?

Answer 7

syphilis

Question 8

bacteria that causes lime disease

Answer 8

Borrelia burgdorferi

Question 9

what does Borrelia burgdorferi cause?

Answer 9

lime disease

Question 10

bacteria that causes leptospirosis

Answer 10

Leptospira interrogans

Question 11

what does Leptospira interrogans cause

Answer 11

leptospirosis

Question 12

3 human diseases caused by spirochetes

Answer 12

syphilis
lime disease
leptospirosis

Question 13

3 characteristics of Chlamydiae bacteria

Answer 13

1. obligate intracellular bacteria
2. rigid cell wall but no typical peptidoglycan layet
3. no gram stain

Question 14

names of 2 Chlamydiae bacteria

Answer 14

1. Chlamydia trachomatis

2. Chlamydophila pneumoniae

Question 15

bacteria name of most common STI un US

Answer 15

Chlamydia trachomatis

Question 16

what Chlamydiae bacteria causes conjunctivitis, pneumonia, and urethritis?

Answer 16

Chlamydia trachomatis

Question 17

Chlamydia trachomatis causes what 3 things?

Answer 17

conjunctivitis, pneumonia, and urethritis

Question 18

what Chlamydiae bacteria causes “atypical” pneumonia?

Answer 18

Chlamydophila pneumoniae

Question 19

Chlamydophila pneumoniae causes what ?

Answer 19

“atypical” pneumonia?

Question 20

Chlamydiae bacteria causes a wide variety of diseases, which include what areas of the body?

Answer 20

eye, respiratory, and genital tract

Question 21

Rickettsiae 2 characterisitcs

Answer 21

Obligate intracellular parasites

Stain poorly with Gram stain

Question 22

Rickettsiae causes what 2 diseases

Answer 22

Rocky Mountain spotted fever

Q fever

Question 23

2 species of Rickettsiae bacteria

Answer 23

Rickettsia rickettsii

Coxiella burnetii

Question 24

Rickettsiae bacteria species that causes Rocky Mountain spotted fever

Answer 24

Rickettsia rickettsii

Question 25

Rickettsiae bacteria species that causes Q fever

Answer 25

Coxiella burnetii

Question 26

how is Rickettsia rickettsii transmitted?

Answer 26

Transmitted by ticks from dogs/rodents

Question 27

how is Coxiella burnetii transmitted?

Answer 27

From livestock via airborne droplets

Question 28

Acinetobacter baumannii is what type of bacteria?

Answer 28

Coccobacillary rods

Question 29

is the bacteria Acinetobacter baumannii an opportunistic pathogen?

Answer 29

yes

Question 30

ventilator-associated pneumonia is caused by what bacteria?

Answer 30

Acinetobacter baumannii

Question 31

what setting does the bacteria Acinetobacter baumannii normally cause infections?

Answer 31

hospital setting- specifically with respiratory equipment and indwelling catheters

Question 32

moest frequent manifestations of Acinetobacter baumannii

Answer 32

Sepsis, pneumonia, and urinary tract infections are the most frequent manifestations

Question 33

important characteristic about. Acinetobacter baumannii

Answer 33

remarkably antibiotic resistant, and some isolates are resistant to all known antibiotics

Question 34

bacteria that causes bacterial vaginosis

Answer 34

Gardnerella vaginalis

Question 35

Gardnerella vaginalis is what type of bacteria?

Answer 35

Facultative gram-variable rod

Question 36

what is bacterial vaginosis (Gardnerella vaginalis) characterized by?

Answer 36

malodorous vaginal discharge and clue cells,

Question 37

what are clue cells?

Answer 37

vaginal epithelial cells covered with bacteria

Question 38

HACEK Group of bacteria are what type of bacteria?

Answer 38

small Gram-negative rods

Question 39

characteristics of HACEK Group of bacteria

Answer 39

slow growth in culture the requirement for high CO2 levels to grow in culture and the ability to cause endocarditis

Question 40

HACEK Group are memebers of what normal flora?

Answer 40

human oropharyngeal flora

Question 41

bacteria that causes the sexually transmitted disease chancroid (soft chancre)

Answer 41

Haemophilus ducreyi

Question 42

bacteria that causes "syphilis of the tropics"

Answer 42

Haemophilus ducreyi

Question 43

what type of bacteria is Haemophilus ducreyi

Answer 43

small gram-negative rod

Question 44

symptoms caused by Haemophilus ducreyi (chancroid disease)

Answer 44

penile lesions, which are painful; nonindurated (soft) ulcers; and local lymphadenitis (bubo)