Test Questions

Question 1

This commonly uses contaminated chicken as a reservoir

Answer 1

Salmonella

Question 2

Blue Green pigmented in open root canals

Answer 2

Pseudomonas

Question 3

Wollinella recta are often associated with this disease

Answer 3

Aggressive Periodontitis

Question 4

Haemophilus parainfluenza is most commonly associated with what?

Answer 4

Gingivitis

Question 5

Most importan virulence factor for actinomyces

Answer 5

Leukocydins

Question 6

Which is a non treponemal test

Answer 6

VDRL

Question 7

Bacerial product that is commonly a component of acquired pellicle

Answer 7

GTF

Question 8

Virulence factor for Porphyromonas gingivalis

Answer 8

fimbriae, capsules, collagenase, hyaluronidase, phospholipase, hemolysins, keratinases, and endotoxin

Question 9

This causes pneumoniae and can’t be gram stained

Answer 9

Mycoplasma

Question 10

G- diplococci with PMN and found in GSF

Answer 10

Neissieria Meningititis

Question 11

Dentoalveolar abscesses are involved in endogenous infection with 3-4 bacteria

Answer 11

P. Intermedia

Question 12

P. intermedia is a what type of pioneer: Early? Late? or Both?

Answer 12

Late colonizer in plaque and interacts with Fusobacterium nucleatum.

Question 13

G- bacillus that is part of the normal intestinal flora and is a common cause of nosocomial infection and diarrhea:

Answer 13

E. coli

Question 14

Select the polyphyllic polymer: Micelles? Lipoprotein? or Lipotechoic Acid? LPS? or Hydrophobic Polysacharrides?

Answer 14

Hydrophobic Polysacharides

Question 15

Former black pigment associated with periodontitis, supra and subgingival biofilms and found on tongue, buccal, mucosa, and saliva?

Answer 15

Tanarella

Question 16

This disease associated with Chlamydia in males:

Answer 16

Urethritis

Question 17

What is the treatment for fusobacterium nucleatum infection?

Answer 17

Metronizadole

Question 18

Inter and intra Coaggregation occurs in this stage:

Answer 18

stage 4

Question 19

This is G- Rod endospore forming and a cause of gas gangrene:

Answer 19

Clostridium Perfringes

Question 20

Horizontal stratification is believed to occur as a function of the diffusion limiting properties of biofilms. Which environmental factors is thought to increase in conc. or value…

Answer 20

Metabolic products (not eh, ph, O2, nutrients.)

Question 21

What is the cause of Bacterial vaginosis: Gonorrhea? Palladium? Saprophyticus? Oralis? Gardnerella Species?

Answer 21

Gardnerella species (bacterium)

Question 22

Aggresive periodontitis commonly is associated with this feature:

Answer 22

Loss of bone

Question 23

Identify bacteria with the following characteristics:
A. Gram-positive pleomorphs (often cocci mixed with filaments)
B. Obligate aerobe
C. Role in the etiology of dental caries is doubtful

Answer 23

Rothia dentocariosa

Question 24

Identify bacteria with the following characteristics:
D. Commonly isolated from dental plaque (root surface) and root caries
E. Associated with endocarditis
F. Induces gingival inflammation in experimental rodents.

Answer 24

Rothia dentocariosa

Question 25

This is commonly found in water lines biofilms and cannot be transmitted person to person

Answer 25

Legionella

Question 26

E. coli is responsible for about 85% of the cases of urethrocystitis, 80% of chronic bacterial prostatitis, and 90% of acute pyelonephritis. It is also responsible for:

Answer 26

Hamburger’s disease (O157:H7 serotype) and travelers’ diarrhea.

Question 27

Most common incidence of diarrhea

Answer 27

Campylobacter Jejuni