Deck 4: Infectious Diseases

Question 1

Pericoronitis is most often associated with the:

A) maxillary canines.
B) mandibular third molars.
C) maxillary second molars.
D) mandibular first molars.

Answer 1

mandibular third molars.

Question 2

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

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.

Answer 2

The patient has been infected previously with Mycobacterium tuberculosis.

Question 3

The gingivae are painful and erythematous. The interdental papillae appear as punched-out, necrotic, cratering areas. The overall sloughing of the necrotic tissue appears as a pseudomembrane over the tissues. The patient experiences a foul odor and metallic taste. On the basis of these features you suspect that this patient has:

A) acute marginal gingivitis.
B) primary herpes infection.
C) necrotizing ulcerative gingivitis.
D) pseudomembranous candidiasis.

Answer 3

necrotizing ulcerative gingivitis.

Question 4

Which one of the following does not occur in impetigo?

A) Itching
B) Pruritus
C) Regional lymphadenopathy
D) Fever

Question 5

Candidiasis is an overgrowth of a:

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

Question 6

Which of the following statements is not true about syphilis?

A) Dark-field examination may be used to diagnose syphilitic lesions on the skin.
B) Syphilis is generally treated with penicillin.
C) The VDRL and FTA-ABS tests are commonly used to confirm the diagnosis of syphilis.
D) The antibody titer increases if treatment has been successful.

Question 7

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

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

Question 8

Tonsillitis and pharyngitis are caused by group A beta-hemolytic streptococci. These conditions are significant because of their relationship to scarlet fever and rheumatic fever. Which one of the following may be related to heart valve damage?

A) Rheumatic fever
B) Strawberry tongue
C) Scarlet fever
D) Geographic tongue

Question 9

The most characteristic form of this disease 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.

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

Question 10

Which of the following is used to treat impetigo?

A) Antiviral medications
B) Topical or systemic antibiotics
C) Corticosteroids
D) Nonsteroidal antiinflammatory agents

Question 11

Which one of the following is associated with scarlet fever?

A) Black hairy tongue
B) Median rhomboid glossitis
C) Scrofula
D) Strawberry tongue

Question 12

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

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

Question 13

Involvement and enlargement of the submandibular and cervical lymph nodes in tuberculosis is called:

A) miliary tuberculosis.
B) lymphadenopathy.
C) scrofula.
D) angioedema.

Question 14

In primary syphilis the oral lesion is called:

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

Question 15

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

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

Question 16

Which disease is caused by the spirochete Treponema pallidum?

A) Tuberculosis
B) Actinomycosis
C) Syphilis
D) Necrotizing ulcerative gingivitis

Question 17

Parenteral means :

A) administered by mouth.
B) administered by injection.
C) an abnormal sensation such as tingling or prickling.
D) malaise.

Question 18

Congenital syphilis may cause a specific form of enamel hypoplasia called:

A) mottling.
B) mulberry molars.
C) Turner tooth.
D) pitting of teeth.

Question 19

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

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

Question 20

The most common sites for oral lesions in tuberculosis is/are the:

A) tongue and palate.
B) gingiva.
C) floor of the mouth and mucobuccal folds.
D) uvula and fauces.

Question 21

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

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

Question 22

Verruca vulgaris closely resembles a papillary benign tumor of squamous epithelium called:

A) fibroma.
B) papilloma.
C) lipoma.
D) Heck disease.

Question 23

Which of the following viruses is associated with infectious mononucleosis?

A) Herpes simplex virus
B) Human papilloma virus
C) Epstein-barr virus
D) Varicella-zoster virus

Question 24

Which of the following types of medication is used for the treatment of herpes zoster?

A) Antibiotic
B) Antiviral
C) Supportive therapy only, no drug therapy
D) Nonsteroidal antiinflammatory drug

Question 25

The illustration shows an oral condyloma acuminatum presenting in a child. The presence of condyloma acuminatum in a child suggests:

A) hypersensitivity.
B) genetic predisposition.
C) sexual abuse.
D) autoimmune disease.

Question 26

Deep fungal infections include all of the following except:

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

Question 27

Which one of the following does not occur as a manifestation of the immune deficiency caused by HIV infection?

A) Candidiasis
B) Hairy leukoplakia
C) Kaposi sarcoma
D) Bilateral parotid atrophy

Question 28

Name the vascular lesion that is seen in this illustration. The patient is HIV seropositive. The most common intraoral locations are the gingiva and palate. When diagnosed, this vascular lesion meets the criteria for the diagnosis of acquired immune deficiency syndrome (AIDS). The most common locations are the gingiva and palate.

A) Non-Hodgkin lymphoma
B) Kaposi sarcoma
C) Thrombocytopenia
D) Hemangioma

Question 29

This lesion in the commissure is most likely caused by Candida albicans or a nutritional deficiency.

A) Pseudomembranous candidiasis
B) Angular cheilitis
C) Chronic mucocutaneous candidiasis
D) Chronic atrophic candidiasis

Question 30

In HIV which of the following tests identifies the viral titer rather than circulating antibody?

A) VDRL
B) ELISA
C) Western Blot
D) PCR

Question 31

In herpes labialis the amount of virus present is highest in the:

A) crusted stage.
B) prodromal stage.
C) vesicle stage.
D) healing stage.

Question 32

The intraoral lesion seen in patients with measles is:

A) minor salivary gland swelling.
B) generalized painful gingivitis.
C) Koplik spots.
D) candidiasis.

Question 33

The initial infection and signs and symptoms of deep fungal infections, including histoplasmosis, coccidioidomycosis, and blastomycosis, are usually related to disease in which of the following locations?

A) Lung
B) Kidney
C) Lymph nodes
D) Nasal cavity

Question 34

The most reliable method of diagnosis for this condition of the tongue is the isolation of the Epstein-Barr virus.

A) White hairy tongue
B) Hairy leukoplakia
C) Mononucleosis
D) Kaposi sarcoma

Question 35

In testing for HIV infection, which of the following antibody tests is performed initially before the confirmatory Western Blot test?

A) VDRL
B) ELISA (EIA)
C) FTA-ABS
D) CBC

Question 36

Herpangina is caused by which virus:

A) Herpes simplex virus
B) Epstein-barr virus
C) Varicella-zoster virus
D) Coxsackievirus

Question 37

Which of the lesions seen in this illustration is the lesion seen LEAST commonly in HIV patients?

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

Question 38

The most common form of recurrent herpes simplex infection is called:

A) herpes zoster.
B) herpetic whitlow.
C) herpes labialis.
D) type 2 herpes.

Question 39

The most common type of candidiasis affecting the oral mucosa is:

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

Question 40

Another name for verruca vulgaris is:

A) condyloma acuminatum.
B) common wart.
C) Heck disease.
D) focal epithelial hyperplasia.