Chapter 5

Question 1

What is the cause of impetigo?

Answer 1

Strep. pyogenes and Staph aureus

Question 2

What is the most common form of impetigo?

Answer 2

Nonbullous form.

Question 3

Where does nonbullous impetigo most commonly occur?

Answer 3

On the legs

Question 4

What are the common causes of tonsillitis and pharyngitis?

Answer 4

Group A beta-hemolytic strep, influenza and Epstein-Barr virus- majority caused by virus

Question 5

What is the sequelae of streptococcal pharyngitis and tonsillitis?

Answer 5

Scarlet fever, rheumatic fever, rheumatic heart disease, acute glomerulonephritis.

Question 6

What is strawberry tongue a result of?

Answer 6

Scarlet fever.

Question 7

What are pastia’s lines?

Answer 7

Dermatologic features of scarlet fever. Rash in areas of pressure and skin folds presenting as transverse red steaks.

Question 8

What are tonsilloliths?

Answer 8

Desquamated keratin and foreign material in tonsillar crypts.

Question 9

What is the cause of diphtheria?

Answer 9

Cornebacterium diptheriae

Question 10

What is the cause of syphilis?

Answer 10

Treponema pallidum

Question 11

What is the primary, secondary and tertiary characterization of syphilis?

Answer 11

Primary- painless chancre and painless lymphadenopathy. Secondary- painless rash. Tertiary- gumma (hole in palate) and tongue lesions known as syphilitic glossitis.

Question 12

What is the likely diagnosis?

Answer 12

Impetigo

Question 13

What is the likely diagnosis?

Answer 13

Tonsiliths

Question 14

What is the likely diagnosis?

Answer 14

Chancre of primary syphilis

Question 15

What is the likely diagnosis?

Answer 15

Mucous patch of secondary syphilis.

Question 16

What is the likely diagnosis?

Answer 16

Gumma of tertiary syphilis.

Question 17

What is Hutcinson’s triad and what does it come from?

Answer 17

Hutchinson’s incisors, ocular intestitial keratitis, and 8th nerve deafness. Comes from congenital syphilis.

Question 18

Reminder: Review Hutchinson’s incisors and mulberry molars.

Question 19

What causes Gonorrhea?

Answer 19

Neisseria gonnorhoeae

Question 20

What is the most common reportable infectious disease in the US?

Answer 20

Gonorrhea

Question 21

What is a disease that is known for its purulent discharge and dysuria?

Answer 21

Gonorrhea

Question 22

What is scrofula?

Answer 22

It is a form of mycobacterial infection from drinking milk that results in enlarged cervical lymph nodes.

Question 23

What will the histology of TB infection look like?

Answer 23

Granulomas with central areas of necrosis.

Question 24

What is the host for the leprosy and where are the endemic areas in the US?

Answer 24

9 banded armadillo. Louisiana and Texas.

Question 25

What is a distinct facial pattern of leprosy?

Answer 25

Pathognomonic which is a collapse of the bridge of the nose.

Question 26

What is noma?

Answer 26

It is a bacterial infection that typically begins as NUG and leads to facial necrosis and most frequently occurs in Africa.

Question 27

What organisms are known for causing Noma?

Answer 27

Fusobacterium necrophorum and Prevotella intermedia.

Question 28

What is the organism that causes actinomycosis?

Answer 28

Actinomyces israelii

Question 29

What are the areas of colonization for actinomyces?

Answer 29

Tonsillar crypts, plaque, carious dentin.

Question 30

What percentage of actinomycosis cases are diagnosed in the cervicofacial region?

Answer 30

55%.

Question 31

What are sulfur granules associated with?

Answer 31

They are the colonies of actinomyces.

Question 32

What causes cat scrath disease and what is the pattern of infection?

Answer 32

Caused by Bartonella henselae. Begins in the skin and classically spreads to adjacent lymph nodes.

Question 33

What is one of the most common health complaints in the US? It is a blockage of what complex?

Answer 33

Sinusitis. Blockage of the ostiomeatal complex.

Question 34

What is the term when calcification occurs with chronic sinusitis?

Answer 34

Antrolith.

Question 35

What are some of the symptoms of maxillary sinusitis?

Answer 35

Increased pain when head is upright and decreased pain when patient is supine. There will also be pain in multiple teeth and not just isolated.