What is the MOST common cancer found in the oral cavity?
A) Lip cancer
B) Tongue cancer
C) Oropharyngeal cancer
D) Squamous cell carcinoma
D
Explanation: D) Oral cancer occurs primarily in the older segments of the population. The majority of the cases are diagnosed after the age of 65 years. The most common causes of oral cancer have traditionally included alcohol abuse and use of tobacco products; these risk factors do NOT have to be present for a lesion to develop.
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These types of records are also referred to as archives.
A. Inactive records B. Active records C. Closed records D. Static records
Fluoroscopic devices are capable of subjecting the patient, the equipment operator, and other personnel near the fluoroscopic equipment to substantial doses of ionizing radiation. These devices include
1. C-arm fluoroscopes. 2. fluoroscopes on stationary equipment with HLC mode used for interventional procedures. 3. biplane interventional fluoroscopic systems. a. 1 and 2 only b. 1 and 3 only c. 2 and 4 only d. 1, 2, 3, and 4
A hysterectomy is the removal of the ________.
A. uterus B. ovaries C. fallopian tubes D. All of these
From the occlusal, the grooves dividing the cusps on the second premolar form a:
A. Y-shaped pattern B. hexagon-shaped pattern C. triangular-shaped pattern D. octagon-shaped pattern