541. The first consideration in the differential diagnosis of a painless palatal perforation would be____________?
A. Syphilis
B. Histoplasmosis
C. Scrofuloderma
D. Actinomycosis

542. Recurrent aphthae resemble recurrent herpes in that_______________?
A. symptoms are similar
B. life long immunity results
C. vesicles occur with both diseases
D. intranuclear inclusion bodies are present

543. Kissing disease is also known as______________?
A. Scarlet fever
B. Acute herpetic gingivostomatitis
C. Glandular fever
D. Rubella

544. The best laboratory test to use in the diagnosis of lupus vulgaris in the oral cavity is______________?
A. Bacterial smear
B. Blood studies
C. Biopsy
D. Blood chemistry

545. ll of the following statements about idiopathic thrombocytopenic purpura are true EXCEPT________________?
A. It is associated with palatelet-specific auto-antibodies
B. It caused a prolonged bleeding time
C. It is often controlled by immunosuppressive treatment
D. It causes more prolonged hemorrhage than hemophilia

546. A bacterial disease with oral manifestations is_____________________?
A. Herpes
B. measles
C. Diphtheria
D. leishmaniasis

547. Syphilis becomes seropositive in___________________?
A. Chancre (primary syphilis)
B. Muco patches (secondary syphilis)
C. Gumma (tertiary syphilis)
D. Congenital syphilis

548. Multinucleated giant cells are least likely to be found in which of the following disorders ?
A. Blastomycosis
B. Cat scratch fever
C. Sarcoidosis
D. Streptococcus pneumonia

549. Oral ulcers that are painless are associated with________________?
A. Secondary herpes
B. Primary syphilis
C. Tuberculosis
D. Primary herpes

550. Complications of Vincents angina is________________?
A. Actinomycosis
B. Noma
C. Systemic candidiasis
D. Cellulites

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