Bacterial Diseases

Question 1

Which two bacteria may cause impetigo?

Answer 1

Staphylococcus aureus and/or streptococcus pyogens

Question 2

T/F: Impetigo is most common in school aged kids.

Answer 2

True

Question 3

What is the most characteristic feature of impetigo?

Answer 3

Amber crust

Question 4

Convoluted crypts of the tonsils are commonly filled with desquamated cells, foreign debris, and bacteria causing _______________. When these become calcified, they are called ___________.

Answer 4

Tonsillar concretions; tonsilloliths

Question 5

Which bacteria causes syphilis?

Answer 5

Treponema pallidum

Question 6

T/F: Syphilis is highly contagious in the first stage only.

Answer 6

False

First 2 stages

Question 7

T/F: Primary syphilis will involve a painless ulceration called a chancre.

Answer 7

True

Question 8

How can tonsilloliths be seen on a radiograph?

Answer 8

Small radiopacities at the ramus of mandible in a panoramic radiograph

Question 9

How does secondary syphilis present?

Answer 9

4-8 weeks after initial infection - Generalized lymphadenopathy, erythematous maculopapular cutaneous eruption (rash), mucous patches, split papules at angles of the mouth

Question 10

Which stage of syphilis involves gumma formation?

Answer 10

Tertiary

After latent period of 1-30 years in untreated patients

Question 11

Which stage of syphilis is characterized by granulomatous inflammation?

Answer 11

Tertiary

Question 12

How is tuberculosis spread?

Answer 12

Inhalation of droplets

Question 13

T/F: Actinomycosis is a fungal infection.

Answer 13

False

Bacterial. Can occur after extraction or untreated dental disease.