Question 1

The most common type of candidiasis affecting the oral mucosa is the _____ type.

Accepted Answer

A) pseudomembranous 
B) erythematous 
C) chronic atrophic 
D) chronic hyperplastic

Question 2

Which of the following statements is true concerning a positive reaction to the PPD skin test?

Accepted Answer

A) The patient has active tuberculosis. 
B) The patient is contagious. 
C) The patient has been infected previously with Mycobacterium tuberculosis. 
D) The patient is in need of hospitalization.

Question 3

The unilateral eruption of vesicles along the distribution of a sensory nerve seen in this adult patient is characteristic of:

Accepted Answer

A) recurrent intraoral herpes simplex. 
B) minor aphthous ulcers. 
C) varicella-zoster or chickenpox. 
D) herpes zoster or shingles.

Question 4

Which antigen is injected into the skin to determine exposure and infection with Mycobacterium tuberculosis?

Accepted Answer

A) HLA-B27 
B) PPD 
C) VDRL 
D) IgE

Question 5

The most characteristic form of which of the following diseases is the formation of abscesses that tend to drain from the mandible to the skin by the formation of sinus tracts, with sulfur granules in the pus draining from the sinus tracts?

Accepted Answer

A) Actinomycosis 
B) Tuberculosis 
C) Syphilis 
D) Impetigo

Question 6

Deep fungal infections include all of the following except:

Accepted Answer

A) histoplasmosis. 
B) coccidioidomycosis. 
C) blastomycosis. 
D) actinomycosis.

Question 7

The lesions seen in this illustration most commonly appear in patients with HIV.  What is it?

Accepted Answer

A) Candidiasis 
B) Lymphoma 
C) Kaposi sarcoma 
D) Aphthous ulcer

Question 8

MATCHING
For each clinical appearance listed below, select the most closely linked disorder from the list provided.

-Multiple tiny vesicles that progress to form painful ulcers

Accepted Answer

A) Impetigo 
B) Tuberculosis 
C) Actinomycosis 
D) Syphilis 
E) Primary herpetic gingivostomatitis
F)Verrucous vulgaris
G)Condyloma acuminatum

Question 9

Which of the following conditions does not contribute to the overgrowth of Candida albicans?

Accepted Answer

A) Antibiotic therapy 
B) Dentures 
C) Cancer chemotherapy 
D) Angioedema

Question 10

The lesions seen in this illustration are not commonly found in HIV-infected patients.  Which of the following are they most likely to be?

Accepted Answer

A) Candidiasis 
B) Hairy leukoplakia 
C) Herpes simplex 
D) Heck disease

Question 11

Which of the following is the name of the soft tissue flap that covers the distal-occlusal part of an incompletely erupted third molar?

Accepted Answer

A) Operculum 
B) Gingival flap 
C) Pericoronitis 
D) Partial eruption flap

Question 12

A vaccine is available to prevent which of the following infections?

Accepted Answer

A) Herpes labialis 
B) Epstein-Barr 
C) Varicella-zoster 
D) Coxsackievirus

Question 13

The stage between the infection of an individual by a pathogen and the manifestation of the disease it causes is referred to as:

Accepted Answer

A) opportunistic infection. 
B) incubation period. 
C) subclinical infection. 
D) paresthesia.

Question 14

For each disorder listed below, select the most closely linked clinical appearance from the list provided.

-Painful vesicles and ulcers that can occur anywhere in the mouth; present in epidemic form in children younger than 5 years

Accepted Answer

A) Herpangina 
B) Measles 
C) Acute lymphonodular pharyngitis 
D) Hairy leukoplakia 
E) Hand-foot-and-mouth disease
F)Mumps

Question 15

The type of candidiasis that appears as a white lesion that does not wipe off and does not respond to antifungal therapy is:

Accepted Answer

A) pseudomembranous. 
B) erythematous. 
C) chronic atrophic. 
D) chronic hyperplastic.

Question 16

The varicella-zoster virus causes a highly contagious disease in children called:

Accepted Answer

A) shingles. 
B) chickenpox. 
C) mumps. 
D) measles.

Question 17

Candidiasis is the result of an overgrowth of a:

Accepted Answer

A) yeastlike fungus. 
B) spirochete. 
C) filamentous bacterium. 
D) fusiform bacillus.

Question 18

Acute osteomyelitis of the jaws may commonly result from which of the following conditions?

Accepted Answer

A) Extension of a periapical abscess 
B) Surgery 
C) Fracture of the jaw 
D) Paget disease

Question 19

In primary syphilis, the oral lesion is called a(n):

Accepted Answer

A) mucous patch. 
B) chancre. 
C) gumma. 
D) ulcer.

Question 20

Opportunistic infections can occur because the oral microflora is affected by changes such as a decrease in salivary flow, immune system alterations, or antibiotic administration.

Accepted Answer

A) Both the statement and reason are correct and related. 
B) Both the statement and reason are correct but not related. 
C) The statement is correct, but the reason is not. 
D) The statement is not correct, but the reason is correct. 
E) Neither the statement nor the reason is correct.

Exam 4: Infectious Diseases