A 16-year-old girl had an asymptomatic 2 x 3 cm crepitant mass in her tongue. It was slightly lighter in color than the surrounding tissue. Biopsy showed numerous endothelial-lined channels. This is a:
a. Granular cell tumor
b. Ranula
c. Mucocele
d. Lymphangioma
e. Lymphoma
D
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Which of the following could be used for vascular access if necessary?
A) An arterial line B) A PEG tube C) a urostomy D) A PICC line
What conclusions can you draw from the following data, obtained from a 41-year-old man who admits to "occasional smoking" but otherwise reveals no past history of pulmonary problems?
ACTUAL PRED % PRED ACTUAL PRED % PRED TLC 4.75 4.90 97% FVC 2.96 3.63 82% FRC 2.31 2.21 105% %FEV1 82% 78% RV 1.28 1.20 106% FEF200-1200 4.33 5.45 79% VC 3.48 3.63 96% FEF25%-75% 1.95 3.37 58% a. Results indicate small airway obstruction. b. Results indicate generalized airway ob-struction. c. Results indicate a restrictive lung disorder. d. Results indicate a combined disease pro-cess.
Employees in medical facilities often use hazardous materials in their workplace. Which of the following is a guideline for safely handling these materials?
A. Only licensed health care workers may handle hazardous substances. B. Supervisors must read new Material Safety Data Sheets to employees. C. Each hazardous product must have a poison label on the packaging. D. Material Safety Data Sheets must be filed in a locked drawer in the main office. E. The employer must provide a Material Safety Data Sheet for each hazardous chemical.
An injury involving damage to the natural, sound, and healthy tooth or tooth structure is a(n):
A) provoked injury. B) accidental injury. C) intentional injury. D) None of the above