______________________________________________ Oral Cancer and Complications of Cancer Therapies
F inal E xam
ORAL CANCER AND COMPLICATIONS OF CANCER THERAPIES
Select the best answer for each question and mark your answers on page 147. For faster service, complete your test online at EliteLearning.com/Book.
51. The five-year survival rate for oral squamous cell carcinoma is approximately
56. Which of the following statements about erythroplakic lesions is FALSE? A) There is a tendency to bleed easily upon palpation. B) They are usually asymptomatic in their earlier stages. C) They can be difficult to detect amidst the oral mucosa. D) They have a 20% chance of being malignant or premalignant. 57. Oral squamous cell carcinoma comprises approximately what percentage of all oral malignancies?
A) 25%. B) 33%. C) 68%. D) 80%.
52. Which of the following statements is TRUE regarding risk factors for oral cancer? A) It usually occurs in the second and third decades of life. B) Smokeless tobacco products are a safe alternative to cigarettes. C) The frequency of oral cancer is equal between men and women. D) Approximately 25% of afflicted patients have no known risk factors.
A) 30% B) 50% C) 70% D) 90%
53. The oral mucosa
58. Which of the following areas of the oral cavity is among the most common sites involved in oral cancer?
A) lacks specialized (sensory) mucosa. B) is lined primarily by masticatory mucosa. C) has a surface layer of stratified squamous epithelium. D) has the same surface consistency throughout the oral cavity.
A) The palate B) The tongue C) The gingiva D) The buccal mucosa
54. An expeditious referral should be sought for a lesion of unknown origin if it has
59. The oral manifestations of Kaposi sarcoma A) are usually white to yellow-white in color. B) are believed to be caused by human papillomavirus. C) are associated with the early stages of HIV infection. D) may occur anywhere in the mouth, but are usually seen on the palate, gingiva, or tongue. 60. In the TNM International Classification System, which of the following designates a malignant oral lesion that exceeds 4 cm and has extensive infiltration of the muscle?
not healed in A) two weeks. B) four weeks. C) six weeks. D) eight weeks.
55. Leukoplakic lesions A) are red in color.
B) are more common than erythroplakic lesions. C) usually have pain as the presenting symptom. D) have a 91% probability of being premalignant or malignant.
A) N1 B) T4 C) N4 D) M4
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