When compared to single-phase electrical current, three-phase power
a. permits shorter exposures.
b. produces 360 pulses per second.
c. produces less voltage ripple.
d. all of the above
d. all of the above
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The antinuclear antibody (ANA) test is positive in almost all people who have systemic lupus erythematosus (SLE). It is also positive in some patients who do not have SLE
The anti-deoxyribonucleic acid (DNA) test is positive only in people with SLE but not in all who do. Which of the following is true? a. The ANA test is a good screening test, and anti-DNA test is a good confirmatory test. b. The anti-DNA test is a good screening test, and the ANA test is a good confirmatory test. c. Both are good screening tests for SLE. d. Neither of these tests is valid.
The use of __________ was initially designed as a set of rules that people could follow if they found themselves in unfamiliar surroundings
Fill in the blank(s) with the appropriate word(s).
Health care services provided to subscribers by physicians employed by the HMO are associated with a __________. Premiums and other revenue are paid to the HMO, and usually all ambulatory services are provided within HMO corporate buildings
a. direct contract model HMO b. group model HMO c. network model HMO d. staff model HMO
Which of the following is a procedure used by insurance companies to avoid duplicate payments due to benefits provided by more than one policy?
A) Explanation of benefits B) Coordination of benefits C) Claim scrubbing D) Coverage exclusions