How many alterations in the direction of the current flow occur in 0.10 second in a 60 Hz AC current?
a. 6
b. 12
c. 60
d. 120
b. 12
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The septum is a wall of cartilage.
Answer the following statement true (T) or false (F)
When coding a surgical code, where should you look to be sure you find the correct code?
A. Go directly to the E/M section in the front of the CPT manual B. Use the alphabetic listing of procedures at the back of the CPT manual C. Consult the Introduction to the CPT manual D. Use the numeric index to find the code E. Use the superbill that describes the patient encounter
Which ICD-9-CM convention indicates that an entry is not classified as part of the preceding code?
A. NOS B. includes C. excludes D. NEC
Which type of immunity requires injection with an antibody?
A. naturally acquired active B. artificially acquired passive C. naturally acquired passive D. artificially acquired active