An oral biopsy was taken from the tongue of a 36-year-old woman and was interpreted as a leiomyoma. This is a:
a. Benign neoplasm of smooth muscle
b. Malignant neoplasm of skeletal muscle
c. Reactive hyperplasia
d. Benign tumor of salivary gland origin
e. Congenital lesion of lymphatic vessels
A
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If a communications system is described as "trunked," it means that all frequencies are:
a. independent. b. divided by jurisdiction. c. pooled. d. divided into UHF and VHF.
All of the following are components of a three-prong electrical plug EXCEPT:
a. current convertor b. ground pin c. negative (neutral) d. positive (hot)
To produce x-rays, the incoming line voltage must be controlled and changed to a direct current of many thousands of volts. This is accomplished by the:
A) primary circuit. B) secondary circuit. C) high-voltage transformer. D) line voltage compensator.
All of the following are true of supplementary terms in an ICD-9-CM entry EXCEPT that they:
A. are essential to the selection of the correct code. B. aid the coder in finding the correct term. C. can be in parentheses. D. can be in brackets.